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Summary of Contents for Expert Electronics SunSDR2 QRP
- Page 1 Expert Electronics Direct Sampling SDR transceiver SunSDR2 QRP 5W HF TRANSCEIVER USER MANUAL © 2019 Expert Electronics 1.1.0...
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Page 3: Table Of Contents
Options ...................... 45 5.3.1 Device menu ................... 45 5.3.1.1 Mic ....................46 5.3.1.2 VAC ....................47 5.3.1.3 VOX ....................48 5.3.1.4 DSP ....................48 5.3.1.5 TX ....................51 5.3.1.6 CW ....................53 © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 4: Table Of Contents
RIT/XIT ....................89 7.7.1 RIT ......................89 7.7.2 XIT ......................90 Digital modes operation ................90 Operation of the LED on the front panel ..........91 8. RESET DEFAULT SETTINGS 9. REGULATORY REQUIREMENTS © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 5: Read It First
· Remote control operation with Expert Remote system You may set the SunSDR2 QRP in your remote shack or village, away from the city noises, to get the best noise floor, and use it from your bedroom in comfort ·... -
Page 6: Supplied Accessories
Transceiver SunSDR2 QRP · LAN-cable for connection to a local network (1.8m) · Power cable for connection to a power supply · RF Cable Mini UHF — HF (PL259) 1Ft (0.3m 1 pc.) © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 7: Precautions
Before connecting the SunSDR2 QRP to the AC power line, ensure it is grounded. Never use the SunSDR2 QRP transceiver without grounding · It is forbidden to connect the SunSDR2 QRP to PC with the voltage presence on it or in the switched condition ·... -
Page 8: Expertsdr2 Software License Agreement
READ IT FIRST · Avoid the exposure of the atmospheric downfalls on the SunSDR2 QRP and never spill any liquids (especially aggressive) on it · It is forbidden to use the Transceiver during storms! · Always disconnect the antenna from the Transceiver when not in use, or if there is a danger of atmospheric electricity ·... -
Page 9: Copyrights
User purposes, if it is not mentioned in the Manual. Expert Electronics company does bear any responsibility for the material, moral or other kinds of damage expressed or implied by such actions. -
Page 10: Front Panel Description
LAN connector for connection of the transceiver to a local network LAN connector via the LAN cable. Connector is intended for connection of DC power source with Power connector voltage of +12V and maximum load current 3A. © 2019 Expert Electronics SunSDR2 QRP User Manual... - Page 11 FRONT PANEL DESCRIPTION Transceiver has a shutdown circuit, protecting device from the power polarity reversal. Power on/off button Press the button to power on/off the device © 2019 Expert Electronics SunSDR2 QRP User Manual...
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Page 12: Rear Panel Description
Appropriate Voltage amplitude for this input: 1...3 V Pk-to-Pk and External reference 10 MHz frequency. Input impedance 2 kOhm. oscillator Input 10 MHz 10 MHz CMOS level Warning! Improper use or higher voltage may damage the input transceiver! © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 13: Antenna
Warning! Never use water or gas pipes for grounding! Never use the SunSDR2 QRP transceiver without a reliable grounding! Accessories © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 14: External Linear Amplifier
It may be required to make several connections depending on the required external PA type. Connect a 50 Ohm HF cable to the transceiver's antenna connector, connect the other end of the cable to the input of the PA. © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 15: External Control Devices
While connecting the cables, transceiver and PA should be switched off. External Control devices The SunSDR2 QRP transceiver allows you to control external devices via seven electronic keys in the EXT CTRL connector. With the keys you can have direct control of antennas, external band pass filters, external PA's bands, HF preamplifiers, external transverter PTT etc. -
Page 16: Transverter Connection
The antenna connector does not have a constant voltage to control the TX mode, so it is necessary to use an additional control line while you use a transverter in the TX mode. For this you may use any EXT CTRL key (more details in EXT CTRL devices © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 17: Connectors Pin-Out
DC 5V output with maximum current up to 200 mA Output MIC_GND MIC case Mic signal input Input signal input PTT TNG Input Connection of the PTT to the GND will turn the transceiver to the TX mode © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 18: Ext Ctrl
Programmable key with open collector Output Programmable key with open collector Output Programmable key with open collector for control of external PAs PTT Output MAX current 100 mA, max voltage 33 V © 2019 Expert Electronics SunSDR2 QRP User Manual... - Page 19 Maximum allowed current via electronic keys is 100 mA! While connecting an inductive load (relay, solenoids, fans etc.) to the X1-X8 keys, it's important to connect the protective diode in parallel to the load! © 2019 Expert Electronics SunSDR2 QRP User Manual...
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Page 20: Expertsdr2 Software Description
All the unmentioned settings cannot cause the fatal damage of the SunSDR2 QRP transceiver's hardware, so you can safely experiment with them. You're dealing with the software-defined radio – SDR, the main settings and signal processing are held in the software. - Page 21 - enable/disable sound output from the PC's sound card (SC). It doesn't prevent sound output from the front panel, it duplicates output from the PC's sound card. - enable/disable button of the frequency memory panel (MEM). © 2019 Expert Electronics SunSDR2 QRP User Manual...
- Page 22 All new profiles will be stacked up to the drop-down menu as a new line. - Options menu described options - About button opens the new window with the info about current version of the ExpertSDR2 software: © 2019 Expert Electronics SunSDR2 QRP User Manual...
- Page 23 Always enabled MON for Voice Recorder: if the voice recorder is transmitting the audio record, the self-control will be enabled. Don't save drive by band and mode: disables saving of the Drive level per band and mode. Note: © 2019 Expert Electronics SunSDR2 QRP User Manual...
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Page 24: Software Transceiver Settings
- volume and balance control menu for the first and second receivers separately (Mixer). When you use only RX1, the Mixer settings are off, but when you enable the RX2, it activates Mixers for both RXs. - open the 18-band RX equalizer menu (EQ). © 2019 Expert Electronics SunSDR2 QRP User Manual... - Page 25 Width (%) - Dot-to-pause ratio. Width value 50, means that Dot equals pause in length. Dash always equals 3 Dots. Ramp (ms) - CW signals' slope length control. Set the required CW signals' slope length. The higher manipulation speed, the shorter should be slopes. © 2019 Expert Electronics SunSDR2 QRP User Manual...
- Page 26 “Profile name” field and pressing Add button. · Update the settings of the certain profile from the list to the current settings. · Remove the certain profile from the list. © 2019 Expert Electronics SunSDR2 QRP User Manual...
- Page 27 Bandpass – this filter passes frequencies within a certain range (band) and rejects frequencies outside that range. Cutoff frequency is determined by Frequency. Quality determines bandwidth of the passband. © 2019 Expert Electronics SunSDR2 QRP User Manual...
- Page 28 Ratio. Threshold – it sets the level for Gate to open – pass the useful signal. It supposed to be set above the noise level, but below the useful signal level. © 2019 Expert Electronics SunSDR2 QRP User Manual...
- Page 29 Threshold – a compressor reduces the level of an audio signal if its amplitude exceeds a certain threshold. It is set in decibels dB. Compressor may be adjusted in a way how fast it reacts: © 2019 Expert Electronics SunSDR2 QRP User Manual...
- Page 30 Attack - this is the period, when the limiter is decreasing volume to reach the level that is determined by Max Amplitude. Release - this is the period, required for the signal level to be restored to the default value. © 2019 Expert Electronics SunSDR2 QRP User Manual...
- Page 31 Attack, increasing the Attack value will increase delay period. Parameters: Attack – signal attenuation period, this value determines how fast AGC will decrease the amplitude of the loud signal to the Maximum Amplitude value. © 2019 Expert Electronics SunSDR2 QRP User Manual...
- Page 32 In the Profile tab, you can save settings of the whole TX processing module in a separate module, independent from the main software profile. Load PROC settings from a file by pressing the Import button and save a profile in a file by pressing the Export button. © 2019 Expert Electronics SunSDR2 QRP User Manual...
- Page 33 List of the measured parameters: S-meter - Displays the level of the received signals in the receiver filter bandwidth (in units). PWR - Displays the level of the output power in TX mode (in Watts). © 2019 Expert Electronics SunSDR2 QRP User Manual...
- Page 34 2. Set the receiver's tone frequency in the RX TONE input-box. 2. . Set the transceiver's tone frequency in the TX TONE input-box. 3. Press one of the buttons RX/TX, RX ONLY, TX ONLY: © 2019 Expert Electronics SunSDR2 QRP User Manual...
- Page 35 Mic PC - PC's microphone. For fine tuning of the PC microphone open: Options > Mic tab (more details in the Mic tab ). Also in this menu, you can Enable Mic AGC. Note: © 2019 Expert Electronics SunSDR2 QRP User Manual...
- Page 36 - Digital Radio Mondiale, 10 kHz filter with 5 kHz IF to work with the external decoder of the DRM signals. Connect third-party software (is not supplied) to the transceiver software for decoding of the DRM signals 160M - 2M - amateur bands © 2019 Expert Electronics SunSDR2 QRP User Manual...
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Page 37: Frequency And S-Meter Indicators
When you change the band the SubRX is disabled. B>A – assign the VFO B frequency to VFO A A>B – assign the VFO A frequency to VFO B B<>A – swap frequencies between the VFO A and VFO B © 2019 Expert Electronics SunSDR2 QRP User Manual... - Page 38 For example: HF S9 = -73 dBm = 50 uV (50 Ohm), VHF S9 = -93 dBm = 5 uV (50 Ohm). S- Meter in the ExpertSDR2 corresponds to the IARU recommendations, each device is calibrated at the manufacturing. © 2019 Expert Electronics SunSDR2 QRP User Manual...
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Page 39: Dsp Control Panel
MED - preset with medium AGC reaction (approximately 250 ms). Recommended for CW, digital modes. FAST - preset with fast AGC reaction (approximately 100 ms). Recommended for CW, digital modes. USER - preset with custom AGC reaction (by default the slowest 1000 ms). Note: © 2019 Expert Electronics SunSDR2 QRP User Manual... - Page 40 - enable Analog Pick Filter, it creates the triangle filter's AFC (amplitude-frequency characteristic) in the filter bandpass. Note: · When filter BW is lower than 200 Hz, there is no point in APF, thus it is switched off automatically. © 2019 Expert Electronics SunSDR2 QRP User Manual...
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Page 41: Panorama Description
- user can adjust the RX filter bandwidth by himself (available at any modulation type except DRM). 5.2.4 Panorama description The panorama consists of two parts separated by the horizontal scale: 1) Spectrum Scope and 2) Waterfall. © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 42: Spectrum Scope
Press and hold the right mouse button, then move it left/right to zoom in/out the panorama or press and hold the left mouse button, then move it up/down to change the ratio of the spectrum to waterfall. © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 43: Waterfall
Waterfall tab 5.2.5 Status bar The status bar displays the following information (from left to right): · ExpertSDR2 window size in pixels. · CPU load in percent. · The temperature inside the transceiver. © 2019 Expert Electronics SunSDR2 QRP User Manual... - Page 44 Voltage and Current indicators on the power supply input. · Yellow warning triangle, in case you've enabled the BreakIn with CW or SSB mode. · Coordinated Universal Time (UTC). · Current date and Local Time. © 2019 Expert Electronics SunSDR2 QRP User Manual...
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Page 45: Options
In the Device menu, you can find software functions of the signal processing and hardware settings. Device – device type menu. Shows that the ExpertSDR2 software works in the SunSDR2 QRP mode. SDR Address – physical static IP-address of the SDR module, locked at 192.168.16.200. -
Page 46: Mic
Input – select the sound card's physical input. Channels – select the amount of the sound card's used channels. Sample rate – sampling frequency. Buffer size – size of the buffer. Latency – signal delay time. © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 47: Vac
RX gain – additional signal amplifying in the virtual audio cable's RX path in dB. · TX gain – additional signal amplifying in the virtual audio cable's TX path in dB. Note: · Before enabling the VAC, make sure all settings for audio devices are correct. © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 48: Vox
There you can find fine AGC settings. AGC settings are divided by the processing speed on Long, Slow, Med, Fast and User. Each settings type has its own tab and differs from others in terms of Attack, Decay and Hang time. AGC parameters: © 2019 Expert Electronics SunSDR2 QRP User Manual... - Page 49 Taps – filter taps, determines the quality of the filter functionality. · Delay – trigger delay time. · Rate – set the adaptation rate of the filter. · Leak – set the signal's level. © 2019 Expert Electronics SunSDR2 QRP User Manual...
- Page 50 DSE functionality, if required. Correct functionality - slowly increasing the receiver tuning frequency, while receiving the CW signal, sounds as if CW signal moves from the right to the left channel. Note: © 2019 Expert Electronics SunSDR2 QRP User Manual...
- Page 51 Sync with RX – set this checkbox to make TX filter bandwidth equal to RX filter bandwidth. Note: · Limits of the TX filter bandwidth in SSB mode: low - from 10 Hz up to 10000 Hz, high - from 60 Hz up to 18000 Hz. © 2019 Expert Electronics SunSDR2 QRP User Manual...
- Page 52 PA. TX Filter Taps - transmit Filter Taps settings. · SSB - Filter Taps in SSB mode. · AM/NFM - Filter Taps in AM mode and narrowband FM. © 2019 Expert Electronics SunSDR2 QRP User Manual...
- Page 53 Port name - COM-port number, which is connected to the key. · PTT line - line menu, is being used to turn the transceiver to the TX mode. · Key line - line menu, is being used to generate CW signal. © 2019 Expert Electronics SunSDR2 QRP User Manual...
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Page 54: Ext Ctrl
While turning on 80M band, #2 key will be enabled (#1 key will be disabled), it is active in both RX and TX modes. While turning on 60M band, #3 key will be enabled (#2 key will be disabled), it is active in both RX and TX modes. © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 55: Expert
New IP Address – an input box to enter new IP Address. New Port – an input box to enter the New Port. Set IP Address – a button to activate the new values of the IP address and Port. © 2019 Expert Electronics SunSDR2 QRP User Manual... - Page 56 The devices are calibrated at the manufacturing by default, additional calibration is not required. Firmware Update - Button for manual firmware update in the transceiver. Press the Firmware update button to initialize firmware update process. © 2019 Expert Electronics SunSDR2 QRP User Manual...
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Page 57: Sound Card Menu
Press the Write button to store the hardware settings in the transceiver's memory. 5.3.2 Sound card menu In the Sound card menu you can see the settings of the audio devices, which can be used with © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 58: Sound Card
In the Line output category you can see the settings of the sound card or virtual audio cables, which could be used for linear sound output in the RX and TX modes, separately for RX1 and RX2 receivers. © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 59: Display Menu
In the Display menu you can see the settings of the transceiver's software display. Display settings are placed according to their functionality: · "Main window" tab · "Spectrum" tab · "Waterfall" tab · "Grid" tab © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 60: Main Window
Recommended checkbox setting - off. · Autostart device - Receiver's autostart checkbox. Set the Autostart device checkbox to automatically start the receiver after the launch of the software. Recommended checkbox setting - on. © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 61: Spectrum
After you select the amateur region and/or set/unset the checkbox Use 60M band you'll see the notification window, that the settings will be applied after the restart of the software. Restart the software. 5.3.3.2 Spectrum On the Spectrum tab you can see the transceiver's spectrum settings. © 2019 Expert Electronics SunSDR2 QRP User Manual... - Page 62 Set the Zoom center follows VFOA checkbox to enable the zoom center marker lock on the VFOA position. · Animation - Spectrum scope animation while transitioning between bands. Set the Animation checkbox to enable animation. © 2019 Expert Electronics SunSDR2 QRP User Manual...
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Page 63: Waterfall
Set the Show S-Meter on Band Scope checkbox to show the S-Meter on the Band Scope for each VFO. 5.3.3.3 Waterfall On the Waterfall tab you can see the transceiver's waterfall settings. © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 64: Grid
· Color - Color of the spectrum scope grid. Select the required grid color from the palette. · Transparency - Grid transparency slider. Set the required grid transparency by moving the slider. © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 65: Filter
Rit/Xit zone color - RIX/XIT active zone color menu. Choose the required RIX/XIT active zone color from the palette. · Transparency - RIX/XIT zone transparency slider. Set the required RIX/XIT zone transparency. © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 66: Background
Color top – Top gradient color of the background. Choose the required top gradient color from the palette. · Color bottom – Bottom gradient color of the background. Choose the required bottom gradient color from the palette. © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 67: Indicators
Display RMS and Peak output power simultaneously - check to see both Peak and RMS indicators on Power meter and S-meter. If checked, the Peak power displayed as orange indicator on the Power meter and needle on the S-meter. © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 68: Cat Menu
ECATv1 - exchange protocol compatible with TS-480 transceiver. This protocol allows exchanging data with external devices and software via COM-port. · Enable CAT – Checkbox to enable control of the transceiver via the CAT-system. · Port name – COM-port number. © 2019 Expert Electronics SunSDR2 QRP User Manual... - Page 69 Port name – COM-port number. · DTR/RTS – COM-port line for receiving the PTT commands. Set one of the DTR/RTS line checkbox to select them as a control. · View log – display CAT command log. © 2019 Expert Electronics SunSDR2 QRP User Manual...
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Page 70: Omnirig
OmniRig, then COM-port and other settings in the OmniRig software are not required. Select in the OmniRig settings any idle COM-port in the system, to avoid conflict. © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 71: Panel Menu
Coder 1 tab, if a several E-Coder panels are connected to the transceiver in the Panel menu displayed a several tabs E-Coder 1, E-Coder 2 etc. with identical settings for each panel. © 2019 Expert Electronics SunSDR2 QRP User Manual... - Page 72 WF - enable/disable Wide Filter. Filter for all Nyquist zone. If in the Device menu settings, you set Auto enable checkbox, then you don't need this function on the panel. Zoom In/Out – spectrum zoom modes switching. © 2019 Expert Electronics SunSDR2 QRP User Manual...
- Page 73 Similar settings were added for VFOs: Listen both VFO A/B - default settings, both VFOs have equal volume in both channels. Listen VFO A only - listen to the VFO A in both channels. © 2019 Expert Electronics SunSDR2 QRP User Manual...
- Page 74 IF – tuning the frequency by moving the filter over the panorama. RF Gain – RF Gain control. CW Speed – CW Speed control. RIT Offset – adjusting the RIT Offset. XIT Offset – adjusting the XIT Offset. © 2019 Expert Electronics SunSDR2 QRP User Manual...
- Page 75 DTR/RTS line checkboxes to set it as the control line. There are three LEDs on the E-Coder panel, from left to right: 1) Lights green when the VFO B is active © 2019 Expert Electronics SunSDR2 QRP User Manual...
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Page 76: Features Menu
Enter some text in the arguments input box for the corresponding program. Note: · Arguments allow to the same program to be launched with different settings files etc. · Read an instruction for your software, to know which arguments are supported. © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 77: Expertsync Menu
ExpertSync menu In the Manager menu you can see the network synchronization settings between the SunSDR2 QRP and other Expert Electronics devices. This interface allows you to synchronize the tuning frequency, mode type and RX/TX between several Expert Electronics devices via the ExpertSync software (you may download it from here). - Page 78 RX IQ output category, it consists of: · Enable checkbox - Enable the IQ signal transfer from the EpertSDR2 to the CW Skimmer. · Driver – Audio device driver type. · Output – Audio device physical output. © 2019 Expert Electronics SunSDR2 QRP User Manual...
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Page 79: Shortcuts Menu
In the Shortcuts menu, you can see the shortcut key combinations settings. With the key combinations, you can control the transceiver from your keyboard. Note: · Shortcuts will be active only if the transceiver's software window is in focus. © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 80: Iq Recorder Menu
In the TCI menu, you can select a port for TCI connection of ExpertSDR2 with a third-party software, with TCI support, and set the Enable checkbox. TCI - Transceiver Control Interface was developed by Expert Electronics company, for simple and still advanced connection between the ExpertSDR2 and third-party software. TCI has all... -
Page 81: Spot Settings Menu
Add button, it’s done. To delete a server connection, select it and press the Delete button on your keyboard. Note: · Don’t forget to enable the Show spots checkbox in the Spectrum tab © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 82: Technical Characteristics
ATT/Preamp -20 dB; -10 dB; 0 dB; +10 dB SunSDR2 QRP has a set of octave band pass filters for HF bands, 6M and 4M, wide filter for the whole Nyquist zone 0...58 MHz and HPF. 9 x HF octave band pass filters: 160M: 1.7-3.2 MHz (Chebyshev I - 3 Order) -
Page 83: Transmitter
60-40M: 8.3 MHz (Eleptic - 7 order) 30-20M: 16.2 MHz (Eleptic - 7 order) 17-15M: 25.0 MHz (Eleptic - 5 order) 12-10M: 33.1 MHz (Eleptic - 5 order) 6M: 77.8 MHz (Eleptic - 7 order) © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 84: Other
DC voltage range in RX, V 8...15 DC voltage range in TX, V 10...15 Current consumption RX/TX, A 0.3/3 Maximum power consumption RX/TX, W 3.6 / 36 0...+75 Operating temperature, °C (°F) (+32...+167) © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 85: Transceiver Operations
This chapter describes all basic transceiver functionality. Local operation Local operation is a standard way to use the SunSDR2 QRP transceiver. Make the following connections as described below: 1. Connect headphones and microphone to the transceiver. If you have an electret microphone or PC headset, connect the microphone to jack MIC1. -
Page 86: Voice Recorder Operation
Voice recorder records the signal in the RX filter and the signal of your own microphone in the TX mode. Record of the receive voice signal: 1. Press the Rec button to start recording. © 2019 Expert Electronics SunSDR2 QRP User Manual... - Page 87 Voice Recorder, is transmitted on the air without processing e.g. TX processing module does not influence signal transmitted via the Voice Recorder. · Attention, recordings of the air signals should be used for personal use only. SunSDR2 QRP operator bears full responsibility for using the recorded signal. ·...
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Page 88: Transverter Mode Operation
Flashing green indicator in the software window means the Sub-receiver is enabled. 3. Set the required TX frequency (VFO B). 4. Listen to the VFO A and VFO B frequencies simultaneously Note: © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 89: Rit/Xit
Press and hold the left mouse button inside the RX filter to move it over the panorama. Press and hold the left right button inside the RX filter to move the whole panorama with the filter. © 2019 Expert Electronics SunSDR2 QRP User Manual... -
Page 90: Xit
USB mode). XIT functionality is identical to RIT functionality. Digital modes operation The SunSDR2 QRP transceiver allows you to operate in digital modes with the help of the certain programs (which are not provided by the manufacturer). Note: ·... -
Page 91: Operation Of The Led On The Front Panel
LED is stable (NOT blinking) - transceiver is ready for operation and can be connected to the ExpertSDR2. In the SunSDR2 QRP we used an advanced stack of a local network, so you have 4 options for local operation: 1. DHCP Auto mode is set by default. It works this way: in the beginning, transceiver works in... - Page 92 After the reset procedure the transceiver will have the default IP-address 192.168.16.225 and ports 50001, 50002. Warning! Do not switch off the transceiver with the PWR button while LED is blinking. © 2019 Expert Electronics SunSDR2 QRP User Manual...
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Page 93: Regulatory Requirements
RESET DEFAULT SETTINGS REGULATORY REQUIREMENTS We Expert Electronics LLC declare that SunSDR2 QRP transceiver has been tested in accordance to essential protection requirements of the R&TTE Directive 1999/5/EC on the approximation of the laws of the Member States relating to Radio Spectrum Matters and found the test results meet the limitation of the relevant test standard(s) listed below: EN 301 489-1: V 1.9.2 (2011)
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