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Compact Digital Storage Oscilloscope and Digital Multimeter GDS-200 and GDS-300 Series USER MANUAL GW INSTEK PART NO. 82DS-22000EA1 ISO-9001 CERTIFIED MANUFACTURER...
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This manual contains proprietary information, which is protected by copyright. All rights are reserved. No part of this manual may be photocopied, reproduced or translated to another language without prior written consent of Good Will company. The information in this manual was correct at the time of printing. However, Good Will continues to improve products and reserves the rights to change specification, equipment, and maintenance procedures at any time without notice.
SAFETY INSTRUCTIONS Table of Contents SAFETY INSTRUCTIONS ........... 5 GETTING STARTED ............10 GDS-200 and GDS-300 Series Overview 12 Appearance .......... 15 Initial Setup ......... 30 OPERATION ..............37 Gesture Control ........41 Common Menu UI Elements ....47 Vertical Menu Operation ...... 50 Trigger Menu Operation .......
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GDS-200 & GDS-300 Series User Manual APPENDIX ..............173 Firmware Update ....... 175 Fuse Replacement ......176 Resistor Standards ......177 GDS-200/300 Default Settings ... 180 GDS-200/300 Specifications ....181 GDS-200/300 Dimensions ....185 Declaration of Conformity ....186 INDEX ................187...
SAFETY INSTRUCTIONS AFETY INSTRUCTIONS This chapter contains important safety instructions that you must follow during operation and storage. Read the following before any operation to insure your safety and to keep the instrument in the best possible condition. Safety Symbols These safety symbols may appear in this manual or on the instrument.
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GDS-200 & GDS-300 Series User Manual Safety Guidelines Do not place any heavy object on the General Guideline instrument. Avoid severe impact or rough handling that CAUTION leads to damaging the instrument. Do not discharge static electricity to the ...
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SAFETY INSTRUCTIONS AC Input voltage range: 100VAC-240VAC AC Adapter Power Supply Frequency: 47Hz-63Hz (AC Mains) Output: 12 DCV, 36W Max WARNING To avoid electrical shock connect the protective grounding conductor of the AC power cord to an earth ground.
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GDS-200 & GDS-300 Series User Manual Location: Indoor Storage environment Temperature: -25°C to 70°C Relative Humidity: <90% Do not dispose this instrument as unsorted Disposal municipal waste. Please use a separate collection facility or contact the supplier from which this instrument was purchased.
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SAFETY INSTRUCTIONS Power cord for the United Kingdom When using the instrument in the United Kingdom, make sure the power cord meets the following safety instructions. NOTE: This lead/appliance must only be wired by competent persons WARNING: THIS APPLIANCE MUST BE EARTHED IMPORTANT: The wires in this lead are coloured in accordance with the following code: Green/ Yellow:...
GDS-200 & GDS-300 Series User Manual ETTING STARTED This chapter will allow you to quickly set up a GDS-200 or GDS-300 series oscilloscope and run over the basic operation and features. Before you can get started, you will need to check the package contents (standard accessories, page 14).
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GETTING STARTED Accessories ........................ 14 Appearance ..............15 GDS-200/300 Front Panel ..................15 Rear Panel ......................... 17 Interface Panel ......................18 BNC Panel ........................ 20 Display Overview ..................... 21 Horizontal ....................21 Vertical ......................22 How to Use the Touch Interface ................25 Help Menu ........................
1 G Sa/s sampling rate max Performance 70/100/200MHz bandwidth Acquisition memory: 5Mpts for GDS-300 series; 1Mpts for GDS-200 series Max 300Vrms (CAT II, DSO); 600V (CAT II) or 300V (CAT III) for DMM 30,000 Waveforms can be replayed ...
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GETTING STARTED Simultaneous DMM and DSO operation Features Portrait and landscape modes Large 800 x 480 TFT panel and capacitive touch panel 7.4V/6100mAH battery for up to 4 hours operation Support for differential probes Handy APPs – EE calculator, Resistance ...
GDS-200 & GDS-300 Series User Manual Accessories Standard Part number Description Accessories Certificate of calibration 82DS-2200E01 User manual CD GAP-001 AC-DC adapter GTP-100A-4 100MHz Probe. for GDS-207 /307, GDS-210 /310 GTP-200A-4 200MHz Probe. for GDS-220 /320 GTL-207 Multimeter test lead x2 GSC-010 Soft carrying case (large) GSC-011...
GETTING STARTED Appearance GDS-200/300 Front Panel BNC inputs GDS-220 Digital Storage Oscilloscope 200 MHz 1GSa/s Interface panel Display COM port port Current ports 600mA MAX CAT II 600V FUSED CAT III 300V 10A MAX FUSED Color LCD screen, 800 x 480, capacitive touch. Display The interface panel holds a number of different Interface Panel...
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GDS-200 & GDS-300 Series User Manual DMM Ports 600mA MAX CAT II 600V FUSED CAT III 300V 10A MAX FUSED Accepts up to 600mA. Fuse protection: 1A. Accepts up to 10A. Fuse protection: 10A Com port Voltage, Resistance and Diode port.
GETTING STARTED Rear Panel Horizontal stand Vertical stand Vent Do not block the vent opening. Vent Use the vertical stand to position the unit Vertical Stand vertically. Horizontal Stand Use the horizontal stand to use the unit horizontally.
GDS-200 & GDS-300 Series User Manual Interface Panel Power input Calibration 12V input port for options output Power switch Internal use ports USB device port (restricted access) Power switch to turn the unit on or Power Switch off. DC input. This port is used for charging the internal lithium battery.
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GETTING STARTED This port supplies power for External Power optional accessories such as the Port. differential probe option (GW part number: GDP-040D Voltage output: 5V Current output: 250mA...
GDS-200 & GDS-300 Series User Manual BNC Panel 16.5pF 300V 300Vrms MAX. CH1 input Tapped hole CH2 input CH1, CH2 Inputs Channel 1 and channel 2 BNC inputs. Input impedance: 1MΩ Input Capacitance: 16.5pF Max voltage: 300V max (CAT II) The tapped hole is used to secure the differential Tapped Hole probe option to the GDS-200/300.
GETTING STARTED Display Overview Horizontal Input frequency, Battery indicator, trigger level, trigger state. and horizontal position Drop down menu area Gesture control Date, time and menu horizontal position Channel indicator Trigger indicators Measurement indicator and DMM menu Vertical scale Horizontal Trigger Hardcopy Autoset...
GDS-200 & GDS-300 Series User Manual Vertical In order: Input frequency, trigger state, time, horizontal position, acquisition mode, trigger level, battery indicator. Drop down menu area Gesture Horizontal position control indicator menu Channel indicators Trigger Horizontal indicator scale Trigger Vertical mode scale Automatic...
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GETTING STARTED Shows the current horizontal scale and Horizontal Window Indicator position in relation to the record length. Tapping anywhere in the title bar will trigger Drop Down Menu the drop down menu. Area The gesture control menu allows you to Gesture Control configure whether the touch gestures control Menu...
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GDS-200 & GDS-300 Series User Manual The Run/Stop key is used to start/stop acquiring samples. The Forward/Backward Run Mode (Backward, keys step backward/forward through each Run/Stop, consecutively sampled waveform. The Single Forward, Single) key puts the trigger into single mode. The Autoset function automatically configures Autoset the panel settings to position the input signal...
GETTING STARTED How to Use the Touch Interface Unlike other oscilloscopes or digital Background multimeters, the GDS-200 and GDS-300 Series have no physical hardware keys, therefore operation is completely controlled using the capacitive touch screen. Using a capacitive touch screen is a new interface paradigm for DSOs;...
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GDS-200 & GDS-300 Series User Manual Swipe Horizontally swipe on the screen. Scroll Drag your finger vertically on the screen to scroll. Pinch In Pinch the screen to zoom out (make the waveforms smaller), or spread your fingers apart to zoom in (make the waveforms larger).
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GETTING STARTED Drag and drop Drag an item to an option and let go*. Drop *The drag and drop gesture is usually Drag used in the Horizontal, Vertical or Trigger menu to manually set a positional value.
GDS-200 & GDS-300 Series User Manual Help Menu If at any time you are not sure how to use a Background particular function, the help icon can be used to put an overlay on the screen to show the basic function of each icon.
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GETTING STARTED Tap on the Help option in the Utility menu. The help screen overlay is shown on the display. There are three help screens. Use the numbered icons, , to view the corresponding help screen. Use the exit icon to exit from the help screen.
GDS-200 & GDS-300 Series User Manual Initial Setup This chapter should be used to set up the instrument when used for the first time or if the firmware has been updated. Power Up Before the unit is powered up for the first time, Requirements it is recommended that the unit is first fully charged.
GETTING STARTED 6. The battery indicator is shown on the top right-hand corner of the main display. USB Driver Installation The GDS-200/300 has a USB device driver that Background should be installed to get the most out of the unit. 1.
GDS-200 & GDS-300 Series User Manual 7. The GDS-200/300 will now be recognized as a virtual com port (VCP). Tilting the Stand To tilt the stand Horizontal horizontally, pull the catch from the smaller of the two stands. Pull this catch To tilt the stand Vertical vertically, release the...
GETTING STARTED Setting the System Date & Time The GDS-200/300 will keep the date and time Background settings saved so long as the battery is not allowed to fully discharge. 1. Access the Menu tray by tapping the title bar. 2.
GDS-200 & GDS-300 Series User Manual Setting the Language The GDS-200/300 menu system can be set to Background display a number of languages. 1. Access the Menu tray by tapping the title bar. 2. Press Utility>System>Language. The Language menu will appear. 3.
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GETTING STARTED 2. Set the probe attenuation to x10 on the probe. 3. Connect the probe to the 2V calibration signal. The calibration signal outputs a 1kHz, 2Vpp square wave signal. 4. Press the vertical icon. 5. Select CH1, if it is not already selected. 6.
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GDS-200 & GDS-300 Series User Manual interpolation type. 13. Turn the adjust point on the probe until the probe is properly compensated. Under Over Normal Compensation Compensation...
OPERATION PERATION Gesture Control ............... 41 Select a Channel, Math or Reference Waveform ..........41 Set the Vertical Position of the Selected Waveform ........... 42 Set the Vertical Scale of the Selected Waveform ..........43 Set the Horizontal Position ..................44 Set the Horizontal Scale ..................
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GDS-200 & GDS-300 Series User Manual Trigger Parameters and Settings ................69 Trigger Mode ......................71 Forced Trigger ......................72 Alternate Trigger ...................... 72 Trigger Level ......................73 Edge Trigger ......................74 Pulse Trigger ......................76 Video Trigger ......................77 Autoset ........................
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OPERATION Acquire Menu ..............107 Accessing the Acquisition Menu ................107 Select Acquisition Mode ..................108 Show Waveform in XY Mode ................109 Set the Record Length ................... 110 Set the Interpolation ....................111 Display Menu ..............112 Accessing the Display Menu ................112 Display the Waveform as Dots or Vectors ............
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GDS-200 & GDS-300 Series User Manual Current Measurement ................... 146 Resistance Measurement ..................147 Diode Measurement ....................149 Continuity Measurement..................150 Temperature Measurement................... 152 EE APPs ................. 154 Accessing the EE Apps ..................154 Attenuator Calculator .................... 155 Advanced DMM ....................156 Calculator ........................
OPERATION Gesture Control This chapter will go over all of the basic touch gestures that are available using the default settings. The touch gestures cover all the most frequently used operations that an engineer uses, allowing the GDS-200/300 to operate completely without panel keys or knobs. The gestures described below are only applicable if Note “Waveform”...
GDS-200 & GDS-300 Series User Manual Set the Vertical Position of the Selected Waveform The touch screen can be used to conveniently set Background the vertical position of the selected waveform. Swipe the screen vertically to set the vertical Steps position of the selected waveform.
OPERATION Set the Vertical Scale of the Selected Waveform The touch screen can be used to conveniently set Background the vertical scale of the selected waveform. To set other vertical scale options, see from page 53 Pinch in/out vertically to set the vertical scale of Steps the selected waveform.
GDS-200 & GDS-300 Series User Manual Set the Horizontal Position The touch screen can be used to conveniently set Background the horizontal position. Swipe the screen horizontally to set the horizontal Steps position of the displayed waveforms. The horizontal indicator is a solid orange triangle at the top to the grid.
OPERATION Set the Horizontal Scale The touch screen can be used to conveniently set Background the horizontal scale of the displayed waveforms. To set other horizontal scale options, see page 60. Pinch in/out horizontally to set the horizontal Steps scale of the display. A scale indicator will popup to show the current scale in relation to full horizontal scale range.
GDS-200 & GDS-300 Series User Manual Select the Trigger Source and the Trigger Level The touch screen can be used to conveniently select Background the trigger source as well as set the trigger level. Tap on the trigger level indicator to toggle between Select Trigger Source trigger sources.
OPERATION Common Menu UI Elements This section will give a brief overview of some of the common UI elements that are used to select parameters and values in menus. Not all of the UI elements look the same but will have similar functions.
GDS-200 & GDS-300 Series User Manual Example Slider Preset value button Value Picker Value pickers are used to enter discrete values. Background They are usually accompanied by some common preset value buttons. Example Preset value Decrease value button Current value Increase value Keyboards and Keypads Software keyboards and keypads are used to enter...
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OPERATION Example: keypad Units Delete keypad Enter When using a keypad: Select the unit Enter the value using the keypad Press Enter to confirm the entered value. Example: Text entry Keyboard area Alphanumeric/Language/ Enter symbol toggle When using the keyboard: The text entry area will display the text ...
GDS-200 & GDS-300 Series User Manual Vertical Menu Operation The vertical menu controls the vertical scale and position, channel activation, coupling, expansion modes and probe settings. Vertical Icon Overview Major settings that have been set in the vertical menu will be reflected in the Vertical icon.
OPERATION Entering the Vertical Menu 1. Press the vertical icon to bring up the vertical Steps menu. 2. The Vertical Menu appears. Vertical Menu Vertical icon Channel or Reference/Math Waveform Selection and Activation From the vertical menu press the icon of the Turning a desired channel, reference waveform or math Channel On...
GDS-200 & GDS-300 Series User Manual Example Selected/active channel Disabled channels Activated channels Vertical Scale and Position The vertical scale and position can be Background configured in the vertical menu in addition to the using the touch gestures. Select the desired channel, reference Touch Control Page 41 waveform or math function.
OPERATION Drag and drop the Vertical position Scale key to manually picker set vertical position Position Vertical slider Position key Vertical Options – Channel The Options menu in the Vertical menu allows Background you to set the coupling, invert waveforms, turn the bandwidth limit on, set the expansion mode and set the probe attenuation.
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GDS-200 & GDS-300 Series User Manual DC, AC, GND Coupling Press the Invert toggle switch to invert the Invert waveform for the selected channel. Press the Bandwidth Limit toggle switch to turn Bandwidth Limit the bandwidth limit on or off. 20MHz, Off Bandwidth limit When the voltage scale is changed, the Expand...
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OPERATION If the vertical scale is changed when the Expand Note function is set to ground, the signal will expand from the ground level. The ground level position does not change when the vertical scale is changed. If the vertical scale is changed when the Expand function is set to center, the signal will expand from the center of the waveform window.
GDS-200 & GDS-300 Series User Manual Vertical Options – Reference Waveforms The Options menu in the Vertical menu allows Background you to view the selected reference waveform sample rate, record length and creation date. 1. Select a reference by tapping on the Setup Page 51 corresponding R1 or R2 icon.
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OPERATION 1. Select the math channel by selecting Setup Page 51 the M icon. 2. Press the Options icon to bring up the math settings. Math waveform selected Math settings 1. Press the Math tab to reveal the math options. Math 2.
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GDS-200 & GDS-300 Series User Manual Example Math waveform icon Math waveform Math details The Math icon can be expanded to show the sources, volt/div and offset of the Math function. Press the Math icon to toggle between the collapsed and expanded Math icon. Vertical scale Math sources Offset...
OPERATION Horizontal Position The horizontal scale and position can be Background configured in the Horizontal menu in addition to the using the touch gestures. Menu Control 1. Press the Horizontal key to access the Horizontal menu. 2. Press Main to set the scope to the main window mode.
GDS-200 & GDS-300 Series User Manual 7. To manually set the horizontal position, drag from the Horizontal Position key and drop to the keyboard icon. Type in the value for the horizontal position with the keypad that appears. Drag and drop the Scale Horizontal picker...
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OPERATION Scales the waveform from the By Trigger trigger position. Position 1. Access the Horizontal or Zoom Steps Page 59 or menu. 2. Press the Options icon to bring up the Horizontal options menu. The expansion settings will be displayed. Horizontal options menu Expand settings 3.
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GDS-200 & GDS-300 Series User Manual Example: By Trigger Position Trigger Position Expand By Trigger...
OPERATION Zoom The Zoom menu can be accessed from the Background Horizontal menu. Setup 1. Press the Horizontal key to access the Horizontal menu. 2. Press Zoom to set the scope to Zoom window mode. Horizontal menu Zoom scale Zoom position Horizontal icon 3.
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GDS-200 & GDS-300 Series User Manual 1. Use the scale picker to set the horizontal scale Menu Control for the zoom window. 2. Use the position slider to set the horizontal position for the zoom window. 3. To set the zoom position to 0, drag from the Zoom Position key and drop to the “Set to 0”...
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OPERATION 2. The horizontal position of the zoom window can be moved by swiping the screen left or right. Zoom window Zoom horizontal position Position: In the main display, the zoom window Note will automatically snap to the zero position at each crossing.
GDS-200 & GDS-300 Series User Manual Trigger Menu Operation The Trigger menu controls the trigger position, trigger type and trigger modes. Trigger Icon Overview The settings that have been set in the Trigger menu will be reflected in the Trigger Menu Icon. Trigger Noise coupling...
OPERATION Entering the Trigger Menu Steps 1. Press the Trigger icon to bring up the Trigger menu. 2. The Trigger menu appears. Example Trigger menu Trigger Settings Trigger icon...
GDS-200 & GDS-300 Series User Manual Trigger Setting Trigger Types The trigger configures the conditions for when the GDS-200/300 captures a waveform. The edge trigger is the simplest trigger type. An Edge edge trigger triggers when the signal crosses an amplitude threshold with either a positive or negative slope.
OPERATION Trigger Parameters and Settings The following trigger parameters apply to all the trigger types unless stated otherwise. The GDS-200/300 generates an Mode Auto internal trigger if there is no trigger event, to make sure waveforms are constantly updated regardless of trigger events.
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GDS-200 & GDS-300 Series User Manual Sets the trigger level to 50% of the waveform amplitude. Channel 1 or channel 2 input. Source CH1, CH2 Sets the coupling to DC. Coupling (Edge, Pulse only) Sets the coupling to AC. Trigger on rising edge. Slope (Edge only) Rising Trigger on falling edge.
OPERATION Pulse width (10ns - 10s) When National Television System Standard NTSC Committee Phase Alternate by Line SEquential Couleur A Memoire SECAM Sets the trigger point to a line on Trigger On Field1 field1 (odd). Sets the trigger point to a line on Field2 field2 (even).
GDS-200 & GDS-300 Series User Manual Forced Trigger If the input waveforms are not triggered, they Background can be force triggered using the Force Trigger button. From the Trigger menu, press the Force Trigger button. The scope will trigger immediately. Alternate Trigger The Alternate trigger allows the scope to trigger Background...
OPERATION Trigger Level The trigger level can be set using touch gestures Background or from the trigger level. 1. Select the trigger source from the side of the Touch Control graticule. 2. Swipe up and down from the right side of the graticule to set the trigger level for the selected trigger source.
GDS-200 & GDS-300 Series User Manual Edge Trigger The Edge trigger allows you to acquire a Background waveform on a rising or falling edge. 1. Press the Edge button. Setup Page 67 2. Press the Options icon to bring up the Trigger options for the Edge trigger.
GDS-200 & GDS-300 Series User Manual Pulse Trigger The Pulse trigger allows you to acquire a Background waveform on a rising or falling pulse of a defined width. 1. Press the Pulse button. Setup Page 67 2. Press the Options icon to bring up the Trigger options for the Pulse trigger.
OPERATION Example Video Trigger The Video trigger allows you to acquire PAL, Background NTSC and SECAM video signals. The GDS- 200/300 can trigger on any line or field. 1. Press the Video button. Setup Page 67 2. Press the Options icon to bring up the Trigger options for the Video trigger.
GDS-200 & GDS-300 Series User Manual CH1, CH2 Source NTSC, PAL, SECAM Standard Positive, negative Polarity Trigger On Field 1 (line 1- 263), Field 2 (line 1 - 262), All Field, All Lines 0.00V, TTL(1.4V), ECL(-1.3V), 50% Level 10ns - 10s Holdoff Example Autoset...
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OPERATION AC Priority mode will scale AC Priority the waveform to the screen by removing any DC component. Steps 1. From the main display press the Autoset key. 2. The waveform will appear on the display. 3. For a few seconds you will have the option to press Undo? to undo the autoset configuration.
GDS-200 & GDS-300 Series User Manual Run Mode The scope has three main running modes, Run, Stop and Single. Run mode continuously captures (triggered) waveforms in a FIFO buffer. Each waveform that is captured can be replayed when the scope is in the Stop mode. The number of waveforms that are captured depends on the sample rate and the memory length.
OPERATION Run/Stop Mode By default the scope is in Run mode as soon as Background it is turned on. The Run/Stop key is shown in green when the scope is in Run mode and red when it is in Stop mode.
GDS-200 & GDS-300 Series User Manual Example Trigger status Sample number Sample slider Single Mode Single Mode Simply press the Single key to set the scope to single trigger mode. The scope will capture a waveform when the trigger conditions are met. This is useful for intermittent signals.
OPERATION Cursor Measurements Horizontal or vertical cursors are used to show the position and values of waveform measurements and math operation results. These results cover voltage, time, frequency and other math operations. When the cursors (horizontal or combined) are activated, they will be shown on the main display unless turned off. Using Cursors The Gesture Control icon is used to toggle the Background...
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GDS-200 & GDS-300 Series User Manual 4. Cursors will now appear on the display for the currently selected channel, 2 lined cursors for the Horizontal Cursor option and 4 lined cursors for the Combined Cursor option. 5. The cursor measurements will appear in a window in the top left-hand side.
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OPERATION 6. Pressing the cursor window will toggle the horizontal reading between frequency and time. Cursor Reading 7. To move the cursors horizontally, touch and Moving the swipe a cursor line horizontally to the desired Cursors position. 8. To move the cursors vertically, touch and swipe a cursor line vertically to the desired position.
GDS-200 & GDS-300 Series User Manual Automatic Measurements Up to 4 automatic measurements can be calculated from the trigger configuration conditions each time a waveform is captured. The automatic measurements can be based on the entire record length, the area of the waveform displayed on-screen or from a gated region bound by the onscreen cursors.
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OPERATION The root mean square value is Cycle RMS calculated for all data samples within the first cycle found in the gated region. Measures the positive area of the Area waveform and subtracts it from the negative area. The ground level determines the division between positive and negative areas.
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GDS-200 & GDS-300 Series User Manual Negative pulse width. –Width Ratio of signal pulse compared with whole cycle. =100x (Pulse Width/Cycle) Duty Cycle Measures the number of positive pulses. +Pulses Measures the number of negative pulses. -Pulses Measures the number of positive edges.
OPERATION Time between: Source 1 first falling edge and Source 2 last rising edge. Time between: Source 1 first falling edge and Source 2 last falling edge. The phase difference of two signals, calculated in degrees. Phase Viewing Automatic Measurements There are two different display options for Background automatic measurements.
GDS-200 & GDS-300 Series User Manual 1. Press the M (Measure) icon in the menu bar at Steps the bottom of the display. 2. The minimized view will appear above the menu bar. 3. To toggle between the minimized and maximized view, tap anywhere within the area that the automatic measurements are displayed.
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OPERATION 1. Make sure the automatic measurements are Steps visible at the bottom of the display. 2. From the Menu Bar: Long-press anywhere within the area that the automatic measurements are displayed to bring up the Measurement menu. From the Drop Down Menu: Press the top of the screen to access the drop down menu.
GDS-200 & GDS-300 Series User Manual 5. Select an automatic measurement from the selected category. Tip: Tapping the bottom of the selection window will display the next group of automatic measurements for the category. 6. To select the source for the selected automatic measurement, long-press the measurement selection.
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OPERATION 2. Press the Options icon to bring up the options menu. 3. From the Options menu select the measurement gating: Off (Full Record), Screen, Between Gating Cursors 4. For Statistics, select the number of mean samples. The number of samples is used to calculate the Mean measurement for when the automatic measurements are displayed in the maximized mode.
GDS-200 & GDS-300 Series User Manual Drop-Down Menu The Drop-down menu is split into the Menu tray and the App tray. The Menu tray contains all the configuration settings and other miscellaneous functions not directly related to the operation. The App tray contains a number of EE apps that can be used as supplementary tools for the GDS-200/300.
OPERATION Press the Default icon from the Menu tray. Steps The default settings will be restored immediately. Panel Lock The panel lock can be used to prevent any Background settings from being inadvertently changed. Press the Lock icon from the Menu tray. Activate Panel Lock The panel lock will appear at the bottom...
GDS-200 & GDS-300 Series User Manual Utility Menu The Utility Menu configures a number of general system settings such as the System language, Hardcopy settings, USB device port settings, Calibration and other settings. Accessing the Utility Menu From the main screen, press the title bar to bring up the Drop Down menu.
OPERATION View System Information The system information displays the model Background name, serial number, firmware version, FPGA revision and GW Instek website address. A QR code for the serial number is also shown. From the Utility menu, press System>System Steps Information.
GDS-200 & GDS-300 Series User Manual Signal Path Compensation Signal Path Compensation (SPC) is used to Background compensate the internal signal path due to ambient temperature and long term drift. SPC is able to optimize the accuracy of the oscilloscope with respect to the ambient temperature and signal drift.
OPERATION Setting the System Date & Time The GDS-200/300 will keep the date and time Background settings saved so long as the battery is not allowed to fully discharged. 1. Press Utility>System>Date&Time. The Date&Time menu will appear. 2. To set the date, press Date and use the number picker to set the year, month and day.
GDS-200 & GDS-300 Series User Manual Touch Sounds When turned on, the Touch Sounds function Background will produce a buzzer sound when a button is pressed on the touch screen. By default the buzzer sound is turned off. Press Utility>System>Touch Sounds and toggle Touch Sounds on/off.
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OPERATION 1. From the Utility menu, press Hardcopy and Steps select the save function for the Hardcopy function. 2. The Hardcopy Save key can now be used to save the item configured with the Hardcopy function. 3. See the Save Operations and Recall Operations chapters for the file format details, see page 124&135.
GDS-200 & GDS-300 Series User Manual Configure USB Device Port The setting, “USB device port” in the Utility Background menu determines whether the internal storage is seen as an internal or external drive. When set to Disk Drive, the internal storage can be accessed via a USB connection to a PC or via a USB OTG cable on a smart phone.
OPERATION Configure Autoset Mode There are two operating modes for the Autoset Background function: Fit Screen Mode and AC Priority Mode. Fit Screen Mode will fit the waveform to the best scale, including any DC components (offset). AC Priority mode will scale the waveform to the screen by removing any DC component.
GDS-200 & GDS-300 Series User Manual Set Ruler The Ruler function adds a scale to the graticule. Background Note this mode only functions in the vertical view. See page 34 to set the display to the vertical mode. From the Utility menu, press Ruler to toggle the Steps Ruler function on/off.
OPERATION Calibration The Calibration menu allows you to perform Background vertical calibration on the oscilloscope channels. 1. From the Utility menu, press Steps Calibration>Vertical Calibration to start vertical calibration. 2. A prompt will appear asking you to connect the CAL output to CH1. 3.
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GDS-200 & GDS-300 Series User Manual 5. Repeat the above steps for CH2. 6. Reset the scope when the calibration has finished. Vertical Calibration menu...
OPERATION Acquire Menu The Acquire Menu sets the acquisition mode, channel mapping (XY mode), record length and the sample interpolation type. Accessing the Acquisition Menu From the main screen, press the title bar to bring up the Drop Down menu. Press the Acquire icon to show the Acquire menu Acquire Menu tray App tray...
GDS-200 & GDS-300 Series User Manual Select Acquisition Mode The acquisition process samples the analog Background input signals and converts them into digital formats for internal processing. The acquisition mode determines how the samples are used to reconstruct a waveform. This is the default acquisition Modes Sample...
OPERATION Show Waveform in XY Mode The XY mode maps the input of channel 1 to Background the input of channel 2. This mode is useful for observing the phase relationship between waveforms. XY mode can also be used with cursors, see page 83 to turn cursors on.
GDS-200 & GDS-300 Series User Manual Set the Record Length The number of samples that can be stored is set Background by the record length. Record length is important in an oscilloscope as it allows longer waveforms to be recorded and/or allows higher sampling rates to be achieved when equivalent time sampling is used.
OPERATION Set the Interpolation The GDS-200/GDS-300 has two types of Background interpolation modes: ET (Equivalent Time) and Sin(x)/x interpolation. Equivalent time sampling is able to achieve a sample rate of 20GSa/s when sampling periodic waveforms. Sin(x)/x interpolation uses a sinc interpolation formula to reconstruct a continuous signal between sampled points.
GDS-200 & GDS-300 Series User Manual Display Menu The Display Menu defines how the waveforms and parameters appear on the display. Accessing the Display Menu From the main screen, press the title bar to bring up the Drop Down menu. Press the Display icon to show the Display menu Display Menu tray App tray...
OPERATION Vectors: Both the sampled dots and the connecting line are displayed. From the Display menu press Type and select Steps the display mode. Vectors, Dots Type Type Menu Set the Level of Persistence The Persistence function allows the GDS- Background 200/GDS-300 to mimic the trace of a traditional analog oscilloscope.
GDS-200 & GDS-300 Series User Manual Set the Waveform Intensity The intensity level of a signal can also be set to Background mimic the intensity of an analog oscilloscope by setting the digital intensity level. From the Display menu press Waveform Steps Intensity and select the intensity level.
OPERATION Set the Graticule Intensity The graticule intensity level can also be Background configured. From the Display menu press Graticule Steps Intensity and select the intensity level. 0 - 100% Graticule Intensity Graticule Intensity Menu...
GDS-200 & GDS-300 Series User Manual Set the Graticule Type There are 4 types of selectable graticule. Background From the Display menu press Graticule and Steps select the graticule type. Full: Shows the full grid; X and Y axis for each division. Grid: Show the full grid without the X and Y axis.
OPERATION Set the Brightness Level The Brightness menu sets the display Background brightness and the display power management, known as ECO mode. ECO mode turns the brightness down after a set amount of time until the display is touched again. From the Display menu press Brightness and Steps select the brightness level and set the ECO...
GDS-200 & GDS-300 Series User Manual Go-NoGo Menu A Go-NoGo test checks if a waveform fits inside a user-specified maximum and minimum boundary. Boundary templates can be automatically created from a source channel or created manually using the touch screen. Boundary tolerances and violation conditions can also be set.
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OPERATION Sets the NoGo condition to when Enter the input signal stays within the limit boundary. Sets the NoGo condition to when Exit the input signal exceeds the limit boundary. 3. Press Violating to set the NoGo Action. This Violating setting determines the action of the scope when the NoGo When setting is true.
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GDS-200 & GDS-300 Series User Manual Individually sets the offset for Max/Min the upper and lower templates. These are based on the ground level of the source channel. Sets the tolerance for the upper Auto and lower template an equal distance from the source channel.
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OPERATION Save Template Saves both the upper and lower template to R1 and R2 respectively. Max/Min Source Example channel template Offset from ground template Auto Template Source channel template Tollerance template...
GDS-200 & GDS-300 Series User Manual Running a Go-NoGo Test The Go-NoGo controls are located at the Background bottom left-hand corner of the screen. The Fail/Total ratio (Violations/Number of Tests) is shown in the title bar. Fail/Total ratio Go-NoGo controls 1.
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OPERATION 2. When Go-NoGo is running, the Fail/Total ratio Results is displayed in the title bar. The first digit represents the number of failed tests, and the second digit represents the number of tests. When the test has stopped the scope goes into the Stop mode (page 81) allowing you to step though each acquisition with the Go-NoGo template overlay.
GDS-200 & GDS-300 Series User Manual Save Operations The Save function configures the save file destination, file format and in the case of image files, the on-screen items that should be saved. When connected to a PC, files can only be saved Note if the USB mode is configured to “Communication”.
OPERATION Saving and Configuring Image Files Image files can be saved to the internal memory Background in a number of file formats. Custom notes can also be saved with the image file. The brief mode allows Custom notes can also be attached to image files or on-screen items such as automatic measurements and trigger positions can be saved as extra data in the image file...
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GDS-200 & GDS-300 Series User Manual Goes to the file manager to set the File save-file path or to create new Manager folders. See page 139 for details on using the file manager. By default, files are saved in the Rename format DSXXXX.PNG, where XXXX is a number starting at 0001 that is...
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OPERATION Brief mode adds a series of user-selectable data Brief Mode to the bottom of an image file. It also reverts the normally black background into a white background for easy printing. 7. Toggle Brief Mode on. 8. Press Brief Mode Setting to set what data gets saved to the image file: Saves the date and time.
GDS-200 & GDS-300 Series User Manual 9. To preview the image file before saving, press the Preview button. Cursor Example Image Measure Image File with Brief Mode = On Cursor Date&Time, Vertical, Horizontal, Trigger Note Measurement Saving and Configuring Waveform Files Each displayed waveform can be saved either Background separately or together in a folder for later recall.
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OPERATION Waveform Save button 3. Use the From option to select the source From waveform: Channel 1 Channel 2 Math source Reference waveform 1 Reference waveform 2 All Displayed Saves all the displayed waveforms into a directory, ALXXXX, where XXXX is a number that is incremented each time a save is performed.
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GDS-200 & GDS-300 Series User Manual 5. If All Displayed waveforms are to be saved, then the following destination options are available: File Manager Pressing File will allow you to change the file path from the root directory of the internal disk. Pressing Rename will allow you Rename to rename the default directory...
OPERATION For example if the waveform is saved as DS001.lsf then the note will be saved as DS001_LSF.txt. Saving and Configuring Setups Setup files can be saved so that the instrument Background state can be recalled at a later time. Selects the save file destination.
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GDS-200 & GDS-300 Series User Manual Pressing File will allow you to File either set the file path or rename the file from the default of DSXXXX.SET, where XXXX is a number that is incremented each time the waveform is saved.
OPERATION Saving and Configuring Images, Waveforms and Setups All at Once Images, Waveforms and Setup files can all be Background saved at the same time into a directory at the same time using the All option. All the files are saved, by default, to a directory All File Contents named AXXXX, where XXXX is a number that is incremented each time a save operation is...
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GDS-200 & GDS-300 Series User Manual File Manager Goes to the file manager to set the save-file path or to create new folders. See page 139 for details on using the file manager. By default, files are saved into a Rename directory called AXXXX, where XXXX is a number starting at...
OPERATION Recall Operations The Recall function configures the save file destination, file format and in the case of image files, the on-screen items that should be saved. Files can only be recalled if the USB port is Note configured to “Communication”. See page 102 for details.
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GDS-200 & GDS-300 Series User Manual Selects the source waveform. Waveform Recall From Items Selects the destination to recall Selects the file format to recall. File Format Recall Waveform 1. From the Recall menu, press the Waveform tab. 2. To recall, press the Recall button at the bottom of the Waveform tab.
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OPERATION 5. Chooses the file format that is to be recalled. File Format This option will determine whether *.LSF or *.CSV files are shown in the From option. Internal file format. Comma separated values. Fast CSV files can only be recalled if the record Note length is 1k or 10k.
GDS-200 & GDS-300 Series User Manual Recalling Setups Setup files can be recalled from the internal Set Background (setup) memories or from the internal disk. Selects the source setup. Setup Recall From Items 1. From the Recall menu, press the Setup tab. Recall Setup 2.
OPERATION File Manager The file manager is used to navigate the internal file system, create new folders or to delete files. Accessing the File Manager From the main screen, press the title bar to bring up the Drop Down menu. Press the File Manager icon to show the File Manager. File Manager Menu tray App tray...
GDS-200 & GDS-300 Series User Manual Navigating the File System The following diagram will show the file Background manager functions. File path/file size Home button Back Files in button system Save screen shot New Folder MultiDelete Exit Goes back to the root Home button directory.
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OPERATION 1. Scroll up and down to view files that are out of Navigation view. 2. Select a folder to enter a directory. 3. Press the Back button to return to the previous directory. Selecting an image file will allow you to ...
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GDS-200 & GDS-300 Series User Manual Press Exit to exit from the file system. Exit...
OPERATION DMM Mode The DMM function can be used simultaneously with the DSO function. The DMM function is a basic digital multimeter. By default the DMM measurements are hidden in landscape mode. In the vertical display mode the DMM functions and measurements are displayed on the bottom of the screen automatically.
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GDS-200 & GDS-300 Series User Manual Second Method: Vertical Orientation: Press and hold the DMM area for a short while to directly bring up the multimeter settings. Multimeter settings Hold DMM area Horizontal Orientation: Press the Measure button to reveal the DMM area*.
OPERATION Multimeter Display Overview The DMM display will show the measurement mode, max, min and current measurement, and a trend plot (vertical view only) of the last 120 measurements. Please note that in the horizontal view, the DMM display is only fully shown in the expanded view, see above for details. DMM mode Hold on/off Digital Storage Oscilloscope...
GDS-200 & GDS-300 Series User Manual 2. The selected mode will be previewed in the lower corner. Multimeter settings VAC and VDC keys Preview screen 3. Press anywhere outside of the multimeter settings area to return to the main display. DMM mode Hold on/off Example...
OPERATION 1. From the multimeter settings choose ACA, Steps ACmA, DCA or DCmA. Ensure that no more than the 600mA is input into the mA port. ACmA = ACA = DCmA = DCA = 2. The selected mode will be previewed in the lower corner.
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GDS-200 & GDS-300 Series User Manual Connection 600mA MAX CAT II 600V FUSED CAT III 300V 10A MAX FUSED 1. From the multimeter settings choose the Steps resistance measurement. Resistance = 2. The selected mode will be previewed in the lower corner.
OPERATION Diode Measurement GDS-220 Digital Storage Oscilloscope 200 MHz 1GSa/s The diode test checks the forward bias Back Ground characteristics of a diode by running a constant forward bias current through the DUT and measuring the forward voltage drop. Connection 600mA MAX CAT II 600V...
GDS-200 & GDS-300 Series User Manual Ensure the diode polarity is correct before Note performing the diode measurement. DMM mode Hold on/off Example Diode measurement Continuity Measurement Digital Storage Oscilloscope GDS-220 200 MHz 1GSa/s The continuity test checks that the resistance in Back Ground the DUT is low enough to be considered continuous (of a conductive nature).
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OPERATION 2. The selected mode will be previewed in the lower corner. Multimeter settings Continuity key Preview screen 3. Press anywhere outside of the multimeter settings area to return to the main display. 4. The approximate resistance will be displayed when there is continuity present in the connection.
GDS-200 & GDS-300 Series User Manual Temperature Measurement The GDS-300 can measure temperature using a Back Ground thermocouple. To measure temperature, the GDS-220 Digital Storage Oscilloscope 200 MHz 1GSa/s DMM accepts a thermocouple input and calculates the temperature from the voltage fluctuation.
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OPERATION 3. The selected mode will be previewed in the lower corner. Multimeter settings Thermocouple type Preview screen Temperature key/toggle temperature unit 4. Press anywhere outside of the multimeter settings area to return to the main display. DMM mode Hold on/off Example Trend plot Temperature measurement...
GDS-200 & GDS-300 Series User Manual EE APPs The GDS-200/300 has a number of handy engineering apps built-in. The following apps are available by default: Attenuation Calculator, Resistance Calculator, Calculator, Advanced DMM, Template Editor and QR-Code Link. Accessing the EE Apps From the main screen, press the title bar to bring up the Drop Down menu.
OPERATION Attenuation Calculator The attenuation calculator calculates the Background resistor values of 5 common attenuator circuits. The only input required is the attenuation required (dB), the system impedance (Z ) and the resistor accuracy (Standard E6 - E192). Example System impedance Z Attenuator Desired...
GDS-200 & GDS-300 Series User Manual 5. Press Calculate. This will calculate the exact resistance values required for the desired attenuation and system impedance 6. Press the EXXX button to select the resistor standard. 7. Press Find Resistor to find the resistors that most closely match the ideal resistance values calculated in step 5.
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OPERATION Please see the DMM chapter for details on the Note different measurement modes and connections. See from page 143. 1. From the EE Apps tray select the Advanced Select Measurement DMM icon. 2. From the measurement selection wheel select the measurement type.
GDS-200 & GDS-300 Series User Manual Calculator The Calculator function is a convenient Background scientific calculator especially suited to electronic calculations. Example Entered equation Answer area Keypad 1. From the EE Apps tray select the Calculator Steps app. 2. Using the keypad, enter the desired equation. ...
The QR Code Link app displays QR codes for Background commonly used websites relating to the GDS- 200/300. The GW Instek webpage is included as an example. To use the QR Code Link app, download a QR code reader app for your smartphone and read the QR codes from the QR Code Link app.
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GDS-200 & GDS-300 Series User Manual 2. Press the Color Code button for standard pin- type resistors. 3. Select the 4 band or 5 band tab. 4. Press each of the colored bands in succession and choose the appropriate color for each band from the pop-up window.
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OPERATION 3-digit/4-digit code EIA-96 2%, 5%, 10% 4. Press the SMD code button and enter the SMD code in the pop-up window. 5. Press Calculate to calculate the value of the SMD resistor. Example: SMD code SMD button 3-digit/ 2%, 5%, 4-digit code Calculate...
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GDS-200 & GDS-300 Series User Manual Example Edit window Template Template offset from source Source template ground 1. From the EE Apps tray select the Template Steps Editor icon. 2. Select “Draw New Template” or “Load template from…”. Draw New Template Draw a template freehand Uses a previously saved Load Template from…...
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OPERATION left and right to position the green edit window and press the Edit button. Each point within the edit window can now be edited to a fine scale by drawing on the screen. Press OK when done. 7.
GDS-200 & GDS-300 Series User Manual EMOTE CONTROL CONFIG This chapter describes basic configuration for remote control. For a command list, refer to the programming manual downloadable from the GWInstek website, www.gwinstek.com Interface Configuration ..........165 Configure USB Interface ..................165 Remote Control Function Check ................
The GDS-200/300 uses the USB device port for remote control. When using the remote control function, the GDS-200/300 acts as a virtual COM port (VCP). New drivers can be downloaded from the GW Instek Note website, www.gwinstek.com. Configure USB Interface...
USB remote control (page 165). *idn? This should return the Manufacturer, Model number, Serial number, and Firmware version in the following format. GW,GDS-310, XXXXXXX, VX.XX For further details, please see the programming Note manual, available on the GW Instek web site @ www.gwinstek.com.
REMOTE CONTROL CONFIG Using Realterm to Establish a Remote Connection Realterm is a terminal program that can be Background used to communicate with a device attached to the serial port of a PC or via an emulated serial port via USB. The following instructions apply to version 2.0.0.70.
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GDS-200 & GDS-300 Series User Manual The baud rate, stop bit and parity settings can be viewed by right-clicking the connected device and selecting the Properties option. 4. Start Realterm on the PC as an administrator. Click: Start menu>All Programs>RealTerm>realterm Tip: to run as an administrator, you can right click the Realterm icon in the Windows Start menu and select the Run as Administrator...
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REMOTE CONTROL CONFIG 5. After Realterm has started, click on the Port tab. Enter the Baud, Parity, Data bits, Stop bits and Port number configuration for the connection. The Hardware Flow Control and Software Flow Control options can be left at the default settings.
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GDS-200 & GDS-300 Series User Manual 6. Click on the Send tab. In the EOL configuration, check on the +CR and +LF check boxes. Enter the query: *idn? Click on Send ASCII. 7. The terminal display will return the following: GW, GDS-310, XXXXXXX,VX.XX (manufacturer, model, serial number, version) 8.
• I connected the signal but it does not appear on the display. • I want to remove the measurement or FFT results from the display. • The waveform does not update (frozen). • The probe waveform is distorted. • Autoset does not catch the signal well. •...
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GDS-200 & GDS-300 Series User Manual The waveform does not update (frozen). Press the Run/Stop key to unfreeze the waveform. See page 80 for details. If this does not help, the trigger mode might be set to Single. Press theRun/Stop key to change out from Single mode. The probe waveform is distorted.
APPENDIX PPENDIX The Appendix contains basic maintenance, miscellaneous information and the device specifications. Firmware Update ............175 Fuse Replacement ............176 Resistor Standards ............177 Resistor Standards ....................177 Standard Resistor Code ..................177 3 or 4 Digit SMD Resistor Standards ..............178 EIA-96 Code ......................
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GDS-200 & GDS-300 Series User Manual DMM Specifications ....................183 Basic ......................183 DC Voltage ....................183 DC Current ....................183 AC Voltage ....................184 AC Current* ....................184 Resistance* ....................184 Diode Test ....................184 Temperature (Thermocouple)* .............. 184 Continuity Beeper ..................
APPENDIX Firmware Update The GDS-200/GDS-300 firmware can be Background upgraded by copying the new firmware to the internal memory and installing it. New firmware can be downloaded on the GW Instek website. 1. From the Utility menu set the USB device port to Disk Drive.
GDS-200 & GDS-300 Series User Manual Fuse Replacement The GDS-200/300 has fuse protection for both Background current ports, a 10A and a 1A fuse. Fuse Type 1A: T1A 500V 10A: T10A 500V 1. Turn the power switch off on the GDS-200/300. Steps 2.
APPENDIX Resistor Standards Resistor Standards Tolerance Tolerance Standard Standard E192 0.5% Standard Resistor Code Standard resistors use colored bands to represent the value of the resistor. To read 4-colored bands, the first two digits represent the base value, the third is a multiplier and the last band is the tolerance.
GDS-200 & GDS-300 Series User Manual 3 or 4 Digit SMD Resistor Standards For 3 or 4 digit SMD codes, the first 2 or 3 digits represent the base value and the last digit represents the multiplier. The letter R is used as a decimal point.
APPENDIX Multiplier Letter Code Multiplier Letter Code Multiplier X or S Y or R Example: 01A = 100Ω 2%, 5%, 10% Code A variation to the EIA-96 standard is also used for tolerances of 2%, 5% or 10%. This variation also uses a 3 letter code. The first digit codifies the multiplier and the last two digits codify the base value.
GDS-200 & GDS-300 Series User Manual GDS-200/300 Default Settings The following default settings are the factory configuration settings for the GDS-200/300. To return the factory default setting, press the Default icon from the Drop Down menu. See page 94 to access the Drop Down menu.
APPENDIX GDS-200/300 Specifications The specifications apply when the GDS-200/GDS-300 is powered on for at least 30 minutes. Scope Specifications Vertical Channel 2 (BNC-Shield) Input Impedance 1MΩ Maximum Input CATII 300VRMs Input Coupling AC, DC, GND Bandwidth DC-70/100/200MHz (-3dB) Rise Time <5ns / 3.5ns / 1.75ns approx.
GDS-200 & GDS-300 Series User Manual Sensitivity DC - 25MHz: approx. 0.5div or 5mV 25MHz - 70/100/200MHz: approx. 1.5div or 15mV Horizontal Range 5ns-100s/Div (1-2-5 increments) Roll 100ms/div - 100s/div Pre-Trigger 10 div max. Post-Trigger 1,000 div max (depend on time base) Accuracy ±20ppm over any >...
APPENDIX Display Type 7 Inch Display Resolution 480 x 800 Display Orientation Landscape and Portrait Backlight Control Manual adjustable & ECO mode Touch Panel Capacitive Power Adapter Line Voltage AC 100V-240V, 47-63Hz, Power Consumption 40W DC Output 12V/3A, double shielded wire cable Dimensions and Weight Weight 1.5kg...
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GDS-200 & GDS-300 Series User Manual AC Voltage Range 50mV, 500mV, 5V, 50V, 700V 5 ranges Accuracy 50mV, 500mV, 5V, 50V, 700V ±(1.5% + 15 digits) at 50Hz- 1kHz AC Current* Range 50mA, 500mA, 10A 3 ranges Accuracy 50mA, 500mA, ±(1.5% + 15 digits) at 50Hz-1kHz 10A ±(3% + 15 digits) at 50Hz-1kHz * Measure range: >10mA Resistance*...
GDS-200 & GDS-300 Series User Manual Declaration of Conformity GOOD WILL INSTRUMENT CO., LTD. No. 7-1, Jhongsing Rd, Tucheng Dist., New Taipei City 236. Taiwan. GOOD WILL INSTRUMENT (SUZHOU) CO., LTD. No. 69 Lushan Road, Suzhou New District Jiangsu, China. declare that the below mentioned product Type of Product: Compact Digital Storage Oscilloscope and Multimeter Model Number: GDS-207, GDS-210, GDS-220, GDS-307, GDS-310,...
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