Gentec-E Maestro User Manual
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Gentec-E Maestro User Manual

Microprocessor-based power and energy meter
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  • Page 2 The warranty does not cover damages related to battery leakage or misuse. Gentec-EO Inc. will repair or replace, at Gentec-EO Inc.’s option, any MAESTRO that proves to be defective during the warranty period, except in the case of product misuse.
  • Page 3 Revision 8.0 SAFETY INFORMATION Do not use the MAESTRO if the device or the detector looks damaged, or if you suspect that the MAESTRO is not operating properly. Appropriate installation must be done for water-cooled and fan-cooled detectors. Refer to the specific instructions for more information.

  • Page 4: Table Of Contents

    MAESTRO User’s Manual Revision 8.0 TABLE OF CONTENTS THE MAESTRO SINGLE CHANNEL LASER POWER/ENERGY METER ........... 6 ..........................6 NTRODUCTION ..........................7 PECIFICATIONS ......................9 RONT ANEL ESCRIPTION ........................ 10 ANEL ESCRIPTION GETTING STARTED ........................... 13 MAESTRO’ ....... 14 OW TO ACCESS THE DIFFERENT MENUS OF THE S USER INTERFACE ..............
  • Page 5 MAESTRO User’s Manual Revision 8.0 3.4.2.2 Codification............................58 3.4.3 Serial Command Directory ....................59 3.4.3.1 Serial commands ..........................61 3.4.3.2 Error Messages ..........................76 3.4.4 Legacy monitor serial commands..................77 3.4.4.1 Emulated SOLO2 Serial commands ....................77 3.4.4.2 Error Messages for SOLO2 Serial mode ..................88 MAINTENANCE ...........................
  • Page 6 MAESTRO User’s Manual Revision 8.0 LIST OF ILLUSTRATIONS . 1-1 MAESTRO F ......................... 9 RONT ANEL . 1-2 MAESTRO T ........................10 ANEL . 1-3 T ..............12 YPICAL PULSE SHAPE OF A PYROELECTRIC DETECTOR . 2-1 MAESTRO S ......................13 TART UP WINDOW MAESTRO’...

  • Page 7: The Maestro Single Channel Laser Power/Energy Meter

    In addition to the external USB key, it can also transfer data files to a PC for more sophisticated data analysis. Furthermore, the MAESTRO responds to commands through the PC interface using the USB port. To transform your PC screen into a virtual MAESTRO, look for the easy-to-use communications software on our website.

  • Page 8: Specifications

    The 5µV offset can introduce an error into low power measurements with low sensitivity detectors. It is essential to use the Zero Offset to rezero the Maestro before making a measurement in these conditions. It is always good practice to use the Zero Offset. See section 2.2.
  • Page 9 1.3 kHz for data acquisition in real time with time stamp, no missing point 2 kHz in statistics mode, no missing point From 2 kHz to 10kHz the MAESTRO will send the latest energy pulse every 500us. (corresponding to a subsampling at 2 kHz).

  • Page 10: Front Panel Description

    4 rechargeable 1.2 V Ni-MH AA Battery life 6.5 hours Battery charge time 4 hours Universal External Input: 100/240 VAC 50-60 Hz, Output 9 VDC 1.66 A. Power Supply 1.3 Front Panel Description Fig. 1-1 MAESTRO Front Panel I/O control key.

  • Page 11: Top Panel Description

    Pressing the I/O key quickly when the MAESTRO is OFF turns the MAESTRO ON (do not hold the I/O key). To turn the MAESTRO off, press the I/O key. To prevent battery leakage and to increase battery life, we recommend switching the MAESTRO off when not in use.
  • Page 12 USB INTERFACE CONNECTOR: This interface allows remote control and data transfers between the MAESTRO and a computer that has a USB communication port. SERIAL INTERFACE CONNECTOR (RS-232, Analog out, Ext trigger):...

  • Page 13: Fig. 1-3 Typical Pulse Shape Of A Pyroelectric Detector

    PS-330 Series Version 1. These heads used a different technology and do not have the same pin-out configuration. Any attempt to modify connectors of the early version heads to mate with the MAESTRO can result in damage to the monitor.

  • Page 14: Getting Started

    This section contains important information concerning the installation and operation of the MAESTRO. The MAESTRO is delivered ready to use. Just insert a detector head in the Probe Input Jack (#6 in Figure 1-2) and press the I/O key. The following window will appear on the monitor (Figure 2-1). It is separated into four different areas.

  • Page 15: How To Access The Different Menus Of The Maestro's User Interface

    MAESTRO User’s Manual Revision 8.0 2.1 How to access the different menus of the MAESTRO’s user interface  The powerful CPU of the MAESTRO, combined with the Windows CE operating system, provides an easy and intuitive access to all of its functions. The user controls the intuitive interface using the touch screen.
  • Page 16 MAESTRO User’s Manual Revision 8.0 A set of different buttons and icons allows you to interact with the MAESTRO’s user interface. The following table describes the different buttons and icons present in the MAESTRO. Table 2-1 List of Specifications Icon...

  • Page 17: Quick Power And Energy Measurement Procedure

    (Not available) 2.2 Quick power and energy measurement procedure This section applies to all MAESTRO versions. It will show you the fastest way of making a laser power and energy measurement with the MAESTRO and a Gentec-EO power or energy detector.

  • Page 18: Fig. 2-3 Parameters Menu To Set The Detector's Zero Level

    Adjusting the zero (step 8a for power heads and 8b for photodiode heads) 8- The power read by the MAESTRO when no laser beam is incident on the detector may not be exactly zero. For power measures, this is because the detector is not thermally stabilized OR there was a heat source in the field of view of the detector when you turned on the MAESTRO.
  • Page 19 MAESTRO User’s Manual Revision 8.0 9- Apply the laser beam to the detector head. 10- The laser beam average power or energy can be displayed in four ways for your convenience: a. Digitally for real time measurements; b. On a scope graph to evaluate the laser’s variations in time;...

  • Page 20: Description Of The Maestro Navigation Menu

    Revision 8.0 2.3 Description of the MAESTRO navigation menu This section describes the first group of menus essential to the MAESTRO’s operation. Refer to Figure 2-2 for a schematic view of the menu structure. The navigation menu bar provides access, at any time, to the five main options by touching the appropriate icon.

  • Page 21: Home

    2.4.1 Set Device The Set Device lets you set and save the MAESTRO with customized parameters. You can set the time and date of the device (not yet available), set the displayed significant digit, set the serial commands, configure the Ethernet, and set the language (English, French, German, or Japanese). To exit the device...

  • Page 22: Date & Time (Not Available On This Version, Check Our Web Site For New Versions)

    MAESTRO User’s Manual Revision 8.0 Fig. 2-6 The Set Device menu window 2.4.1.1 Date & Time (Not available on this version, check our web site for new versions) The Date & Time button adjusts the time and date of the monitor's internal clock. This information is used to timestamp files when you are logging data.

  • Page 23: Serial Commands

    To use the analog output using the special cable (part number 201958), select Analog Output. The MAESTRO will not need to be rebooted. This output allows the monitoring of the laser’s average power or energy with external equipment such as a chart recorder, a computer with an analog interface, a voltmeter, etc.

  • Page 24: Ethernet

    IP address and enter your own IP address, or you can choose a dynamic IP address and the server will automatically assign an IP address to the MAESTRO. If needed, you can change the port number. When you are done with the setup, simply touch the OK button and reboot the MAESTRO.

  • Page 25: Languages

    3.2 for installation instruction on the PC. Fig. 2-9 Ethernet Configuration menu window 2.4.1.5 Languages The Maestro allows the user to choose between an English, French, German, or Japanese display. Chinese will also be available in the future. Check Gentec-EO’s website for updates.

  • Page 26: Set Measure

    MAESTRO User’s Manual Revision 8.0 Fig. 2-10 Language Configuration menu window 2.4.2 Set Measure Options in the Set Measure menu define user-adjustable measured data parameters. The Wavelength can be changed in order to set it to the wavelength at which the detector is used. The power or energy Range allows you to adjust the scale in order to obtain the best possible resolution.

  • Page 27: Wavelength

    MAESTRO User’s Manual Revision 8.0 Fig. 2-11 The Set Measure menu window 2.4.2.1 Wavelength The Wavelength menu is used to select the proper wavelength at which the detector is used. It applies a correction to adjust for the variation in responsivity at different wavelengths.

  • Page 28: Fig. 2-12 The Wavelength Menu Windows

    Your measurements across the band have never been this precise or easy. You can also adjust for a wavelength other than the preset wavelength. The MAESTRO will use the pre- programmed data in the detector’s EEPROM. When working at such a wavelength, it will not be available in the Wavelength menu;...

  • Page 29: Range

    MAESTRO User’s Manual Revision 8.0 Fig. 2-13 Popup window to enter a user defined wavelength Once you have entered a new wavelength in the MAESTRO, you can save your settings (refer to section 2.4.5). 2.4.2.2 Range The Range menu window is used to select the signal level read by a detector head. When a new head is plugged in, the auto mode is the default option.

  • Page 30: Measure Mode

    The following figure shows an example of the measure mode menu window when a thermopile detector head is connected to the MAESTRO. Once the measure mode is set, touch the OK button to save changes, or touch the cancel button...

  • Page 31: Fig. 2-15 The Measure Mode Selection Menu Window For A Thermopile Detector Head

    Revision 8.0 Fig. 2-15 The Measure mode selection menu window for a thermopile detector head Depending on the type of detector head connected to the MAESTRO, you will have different choices for the measure modes. For thermopiles, you have the following measure modes: ...
  • Page 32 Moving Average, or the Average Power options. Also note that if an acquisition is done while the MAESTRO is in one of these modes, the saved data will also be in the same format.

  • Page 33: Corrections

    For example, if you are measuring the laser beam passing through the 99.9% back reflector of a laser (giving 1/1000 of the real value), choose Multiplier and enter 1000 in the dialog box. The MAESTRO will display the laser’s power rather than the measured 0.1% sample on the main display.

  • Page 34: Trigger Level

    Fig. 2-17 Trigger Level window Caution! If you select a high value trigger level, the MAESTRO may not be able to detect all the values of widely varying energy levels in auto range mode. The auto range function uses the energy level of...

  • Page 35: Display

    It is always good practice to reduce electrical noise generation or shield the detector and monitor when measuring very low pulse energies. You can also set the MAESTRO to be triggered externally, via the RS-232 port using a special cable (part number 201956). Just touch the External Trigger check box.

  • Page 36: Display Parameters Menu Bar

    Fig. 2-18 Display menu window The MAESTRO allows you to have a single full-screen display or a dual-screen display. To select the desired display touch the appropriate button. If you choose dual display, one of the displays must be Real Time.
  • Page 37 OR there was a heat source in the field of view of the detector Zero when the MAESTRO was turned on (for example, the hand or body of the user). Use this function once your power meter has achieved thermal equilibrium to ensure accurate measurements.
  • Page 38 MAESTRO User’s Manual Revision 8.0 Sets and displays the monitor’s display mode. You can choose between the following displays:  Real Time  Scope  Needle  Display Averaging  Histogram (Not available on this version)  Statistics In the dual-screen mode, it corresponds bottom display.

  • Page 39: Real Time Display

    Fig. 2-20 Real time display With a MAESTRO, you can also choose between the high resolution mode for the most significant digits available or the standard resolution, to filter out unimportant fluctuations in measurement. You can adjust the number of digits in the Set Device menu window accessible through the HOME menu (section2.4.1.2).

  • Page 40: Fig. 2-21 Scope Time Display

    MAESTRO User’s Manual Revision 8.0 value. To view the maximum, minimum, and average values of the measured data (in wattmeter mode only), touch the Display Stats check box. Fig. 2-21 Scope time display Display Stats. When using the single full-screen mode, this will display the maximum, minimum, and average values of the measured data values in the upper left corner.(available only in wattmeter mode on...

  • Page 41: Needle Display

    The averaging display is a bar graph that presents the statistics of a set of measures as a function of time. The MAESTRO measures a series of data during a user-defined period of time. Each bar represents the maximum, average, and minimum values of the measured data. The top of the white bar represents the minimum value while the top of the blue bar represents the maximum value.

  • Page 42: Fig. 2-23 Averaging Display

    MAESTRO User’s Manual Revision 8.0 Fig. 2-23 Averaging display For Power Detectors: In the Averaging display mode, the power measurement is the average value defined in the averaging settings. For optimum averaging, when measuring the average power of a pulsing laser, it is preferable to use a sample period that is a multiple of your laser repetition rate.

  • Page 43: Statistics Display

    MAESTRO User’s Manual Revision 8.0 2.4.3.6 Statistics display In the Statistics mode, the MAESTRO displays a complete statistical analysis of power or energy measurements. Touch the PLAY button to start or restart the data sampling and statistical calculations. Touch the Stop button to stop the data sampling and statistics before you reach the end of the selected sampling time.

  • Page 44: Fig. 2-25 Statistics Settings Popup Window

    Fig. 2-25 Statistics settings popup window You can set the MAESTRO either to calculate the statistics for a single sample and stop, or to repeat continuously. Take data for a few seconds or a few days. You have the flexibility to handle any application, from analyzing a single short pulse with high resolution to sampling performance over a period of months.

  • Page 45: Fig. 2-26 Statistics Duration Settings Popup Window

    MAESTRO User’s Manual Revision 8.0 Fig. 2-26 Statistics duration settings popup window The statistical parameters that are calculated are listed in Table 2.4. Table 2.4. Statistical Parameters Statistical Parameters Power Energy Definition   Current value Value of the most recent measurement ...

  • Page 46: Acquisition

    2.4.4 Acquisition The MAESTRO allows you to easily acquire data and save it on a USB key for post analysis and processing. If you did not connect a USB key to the MAESTRO, the monitor will prompt an error message and the acquisition option will not be available.

  • Page 47: Fig. 2-27 Data Sampling Parameters Window Menu

    MAESTRO User’s Manual Revision 8.0 Fig. 2-27 Data sampling parameters window menu. The different available options are presented in Table 2.5. To edit one of the data sampling parameters, touch the edit button. Touch the OK button to save the changes or touch the cancel button to ignore the changes.
  • Page 48 Even if the acquisition is stopped, the MAESTRO will continue to provide measurements to the display. If you want to be able to open the file in Excel use .csv in your file name extension.

  • Page 49: Startup Config

    MAESTRO’s current configure will be saved. Even if the settings are changed after this operation, these changes will not be saved and at startup the MAESTRO will be configured in the same manner as when the Apply button was touched.

  • Page 50: About

    If another head is connected, it will not be able to retrieve these saved parameters since they are head specific: these parameters can be loaded only if the same type of head is connected to the MAESTRO. The following settings are always saved automatically on the MAESTRO, regardless of the head that is connected: ...

  • Page 51: Search

    Revision 8.0 2.5 SEARCH The SEARCH option allows you to quickly look up and find the most common of the MAESTRO’s functions. The functions are displayed in alphabetical order. Just touch one of the displayed functions to directly access the corresponding menu window. To exit the SEARCH window, just touch the cancel button Fig.

  • Page 52: Info

    Revision 8.0 2.6 INFO The Information menu window displays the information about the detector head connected to the MAESTRO and the current measurement settings. In a quick glance you will be able to see the following information:  Information about the connector detector head: The detector’s Name;...

  • Page 53: Manage Usb

    MAESTRO User’s Manual Revision 8.0 2.7 MANAGE USB The MANAGE USB is a file manager, which lets you work with the file system on the connected USB key. You can easily view the folders and files already on the USB key in an intuitive hierarchy. You can also, rename a file and delete a file.

  • Page 54: Serial Communication Interface

    3.1.1.1 Plug the MAESTRO into a USB port on the PC. If the PC supports USB 1.1, Windows will detect the new device and prompt you for the software drivers. A Found New Hardware – USB Device window will open and, after several seconds to a minute, the Found New Hardware Wizard will appear.

  • Page 55: To Echo Commands

    The commands you type will not appear in the HyperTerminal window, unless you setup the HyperTerminal to do so. Only the response from the MAESTRO will be displayed. If you prefer to see the commands you are typing, on the HyperTerminal window click the File menu and execute the following sequence: File →...

  • Page 56: Ethernet Communication

    9. Reboot the device; 10. Open the MAESTRO Ethernet Communication Example application on your PC; 11. Enter the MAESTRO’s IP address and port number. If the address type is dynamic, return to the Ethernet Configuration page to retrieve the assigned address;...

  • Page 57: Pc-Maestro User-Friendly Serial Data Acquisition Software

    This software basically transforms your PC screen into a large MAESTRO screen enabling you to control and see your information from a distance, while saving data. LabView™ drivers are also available to let you customize MAESTRO applications on your PC.

  • Page 58: Traditional Communication Settings

    You can display the Context Help window by selecting Help/Show Context Help in the menu bar or by pressing the <Ctrl-H> keys. If you try to install the same PC-MAESTRO version twice on your computer, you will have the following warning: Installation Summary: No software will be installed or removed.

  • Page 59: Maestro Binary Mode Description

    3.4.2.1 Description The MAESTRO has two Communication Modes: the Binary Mode for FAST data acquisition and the ASCII mode. The resolution is 14 bits for both cases. Only the joulemeters support the binary mode. Thermopiles in energy mode, thermal heads in standard mode and photodiodes are coded in ASCII.

  • Page 60: Serial Command Directory

    Set the internal trigger level when measuring pulse energy. Get Trigger Level Returns trigger level value Get Mode Display Returns the current display mode on MAESTRO MEASUREMENT COMMANDS MEASUREMENT DATA ACQUISITION Query Current Value Get the value currently displayed on the screen.
  • Page 61 MAESTRO User’s Manual Revision 8.0 The serial commands format is as such: *MUL+ 8 character numeral value Ex: « *MUL1.000000 » or « *MUL-1.34e-3 » or «*MUL0.000543 » *OFF + 8 character numeral value like above *STL+4 character numeral value like « *STL10.2 » or « *STL0.22 »...

  • Page 62: Serial Commands

    MAESTRO User’s Manual Revision 8.0 3.4.3.1 Serial commands SERIAL COMMAND FORMAT All text commands must begin with a trig character (*) and DO NOT end with a line-feed or a carriage-return. All parameters must NOT have a space between the command and the list of parameters, nor between the parameters themselves.
  • Page 63 MAESTRO User’s Manual Revision 8.0 30 microwatts or microjoules 100 microwatts or microjoules 300 microwatts or microjoules 1 milliwatt or millijoule 3 milliwatts or millijoules 10 milliwatts or millijoules 30 milliwatts or millijoules 100 milliwatts or millijoules 300 milliwatts or millijoules...
  • Page 64 MAESTRO User’s Manual Revision 8.0 Get Current Range Index This command returns the range index between 0 and 41. Please refer to Set Range command (SCS) details for the complete range index table. Text Command Parameters Return None Index from 0 to 41...
  • Page 65 Please refer to the Set Range section for the table correspondence. Command Parameters Return None The valid scale index. The following example is for a UP19K connected to the MAESTRO, which can have the following ranges:  100 mW;  300 mW; ...
  • Page 66 Trigger Level : 2.0 \r\n Get Mode Display This command returns the MAESTRO’s power mode. Depeding on the head, it can be power mode in W, power mode in dBm (DBM), energy mode in J, Single Shot Energy mode in J (SSE), or simply no detector is connected to the MAESTRO.
  • Page 67 This command is used to get the laser frequency. Text Command Parameters Return None Data in ASCII Set the joulemeter binary mode This command is used to set the monitor in binary or ASCII mode. Refer to section 3.4.2 for the MAESTRO binary mode description.
  • Page 68 Return 0= ASCII 1= Binary Get Binary Joulemeter Mode This command returns whether or not the binary joulemeter mode is activated for serial communication. Refer to section 3.4.2 for the MAESTRO binary mode description. Text Command Parameters Return None 1: On...
  • Page 69 MAESTRO User’s Manual Revision 8.0 Get Personal Wavelength This command returns the wavelength in nm being used on the detector. Text Command Parameters Return None Returns the wavelength value in nm Example Response from MAESTRO Command: *GWL PWC : 1064 \r\n...
  • Page 70 Parameters Return 8 characters numeral value The following example sets multiplier = 33 Example Response from MAESTRO Text Command: *MUL3300000 *MUL3.3000e3 Get User Multiplier This command returns the MAESTRO’s correction multiplier value. Text Command Parameters Return None Current multiplier value...
  • Page 71 *OFF0.001500 *OFF1.500e-3 The other option available is the Zero-offset. The Zero-offset operation is done first, before those of the Multipliers and Offsets Get User Offset This command returns the MAESTRO’s correction offset value. Text Command Parameters Return None Current offset value...
  • Page 72 MAESTRO User’s Manual Revision 8.0 Set Energy Mode This command is used to toggle Energy mode when using a wattmeter. Text Command Parameters Return 1 to turn On, 0 to turn Off >SSE Default: Off Set Attenuator This command is used to adjust the processing of the monitor with the readings of the head, depending on whether the head is using an external attenuator or not.
  • Page 73 Version number and device type. Example Response from MAESTRO Command: *VER MAESTRO Version 1.00.18 <CR> <LF> Query Status This command is used to query the device to get information about the following characteristics:  Measure Mode (not yet available); ...
  • Page 74 MAESTRO User’s Manual Revision 8.0 0004 0000 Measure Mode LSB (not yet available) 0005 0000 Measure Mode MSB (not yet available) 0006 0015 Current scale LSB (refer to scale index *SCS) 0007 0000 Current scale MSB (refer to scale index *SCS)
  • Page 75 MAESTRO User’s Manual Revision 8.0 002B 36 39 hexadecimal values in ASCII characters) 002C 32 37 002D 00 00 0000 = Null termination character 0000 00 00 End of structure Query Extended Status This command is used to query the device to get information about the following characteristics: ...
  • Page 76 MAESTRO User’s Manual Revision 8.0 Current scale MSB (refer to scale index *SCS) 0008 Maximum scale LSB (refer to scale index *SCS) 0009 Maximum scale MSB (refer to scale index *SCS) 000A Minimum scale LSB (refer to scale index *SCS)

  • Page 77: Error Messages

    MAESTRO User’s Manual Revision 8.0 002E D70A Trigger Level LSB (between 0.001 and 0.999) 0.0200 002F 3CA3 Trigger Level MSB (between 0.001 and 0.999) 0030 0001 Is autoscale mode on? LSB 0031 0000 Is autoscale mode on? MSB 0032 0000...

  • Page 78: Legacy Monitor Serial Commands

    The MAESTRO has the ability to emulate the Serial Commands of our legacy monitors, Set the MAESTRO In home/Set device/Serial Commands/ to SOLO2 Serial Compatibility (refer to section 2.4.1.3). You can make it the default setting when the MAESTRO boots up in the same window. Supported Legacy Monitor: ...
  • Page 79 MAESTRO User’s Manual Revision 8.0 DISPLAY COMMANDS Command name Command Description Set Scale Manually set scale. Set High Resolution Display Change to high resolution display Change the on-screen display to dBm Set dBm display MEASUREMENT COMMANDS MEASUREMENT DATA ACQUISITION Command name...
  • Page 80 MAESTRO User’s Manual Revision 8.0 COMMANDS *SSA Set Scale This command is used to force the display of the current data into a specific range. The lower range is always zero, and the higher ranges can be found in the table below. The Auto scale applies the best scale for the current values in real time.
  • Page 81 Response from MAESTRO Text Command: *SSA <space> 10 m <enter> ACK <CR> <LF> and the MAESTRO is set to the 10 mW or 10 mJ range *SHL Set High Resolution Display This command is used to add significant digits to the on-screen reading.
  • Page 82 MAESTRO User’s Manual Revision 8.0 *DBU Set dBm display This command changes the on-screen display unit to dBm. This option is only available with photodiodes. Text Command Parameters Return 1 to turn On, 0 to turn Off Default: Off *CVU...
  • Page 83 MAESTRO User’s Manual Revision 8.0 Minimum This value should be divided by the Minimum Unit. Minimum Unit This is a divider Average This value should be divided by the Average Unit. Average Unit This is a divider Standard Deviation This value should be divided by the Standard Dev Unit.
  • Page 84 MAESTRO User’s Manual Revision 8.0 *CAU Download data This command is used to send data to the serial port according to the data sampling setting. Text Command Parameters Return None Data in ASCII *ANO Set Analog Output This command is used to enable or disable the output of the current value on the analog port of the device.
  • Page 85 <enter> *SOU Set Offsets This command is used to set the offset’s value. . Note that the MAESTRO only allows one offset instead of 2 unlike the SOLO2. This means that only Offset 1 can be set. Text Command Parameters Return Offset 1 + <Offset value>...
  • Page 86 MAESTRO User’s Manual Revision 8.0 The value should be set between 1 and 100 (floating point values are allowed). In text mode, you may add a “%” symbol after the value for clarity. Example Response from MAESTRO Text Command: *TLA <space> 15.4% ACK <CR>...
  • Page 87 MAESTRO User’s Manual Revision 8.0 *EOA Zero Offset This command subtracts the current value from all future measurements the moment the command is issued to set a new zero point. Text Command Parameters Return 0 to turn Off, 1 to turn On.
  • Page 88 MAESTRO User’s Manual Revision 8.0 Example Response from MAESTRO Text Command: *BAT <enter> The battery power is High *BKL Set Backlight This command is used to turn the backlight of the device display on or off. Text Command Parameters Return...

  • Page 89: Error Messages For Solo2 Serial Mode

    MAESTRO User’s Manual Revision 8.0 3.4.4.2 Error Messages for SOLO2 Serial mode Error Comment Command not found Command is invalid. Invalid Parameter The parameter value is out of valid range, or not of expected type (text, numeric, flag). Not Enough Parameters The expected number of parameters should always be sent.

  • Page 90: Maintenance

    4.1 USB installation for the MAESTRO The MAESTRO has a USB type mini B port. When connected to a PC it emulates a standard serial port. This means that it is possible to connect many MAESTROs on one computer, without tying up the ordinary serial ports, while keeping a simple interface that is easy to design software for.

  • Page 91: Declaration Of Conformity

    MAESTRO User’s Manual Revision 8.0 DECLARATION OF CONFORMITY Application of Council Directive(s): 2004/108/EC EMC Directive Manufacturer’s Name: Gentec Electro Optics, Inc. Manufacturer’s Address: 445 St-Jean Baptiste, suite 160 (Québec), Canada G2E 5N7 European Representative’s Name: Laser Components S.A.S. Representative’s Address:...

  • Page 92: Qed/12/25/50/65/95

    When using an oscilloscope or When using a Gentec-EO MAESTRO, above. Make sure that the energy level is below the detector’s damage threshold and your laser still has good stability.
  • Page 93 You can add this to your ± uncertainty when you use the attenuator or try to stabilize the laser and environment and begin again with Step 3. The correction multiplier for the MAESTRO and an Oscilloscope will be given by: Reading...

  • Page 94: Recycling And Separation Procedure

    7.1 Recycling and separation procedure. This section is used by the recycling center when the monitor reaches its end of life. Breaking the calibration seal or opening the monitor will void the MAESTRO warranty. The complete Monitor contains 1 Monitor...
  • Page 95 MAESTRO User’s Manual Revision 8.0...

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