• 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;...
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• To avoid damage to the Transceiver or causing harmful interference on air, it should only be operated by competent HAMs; • Keep the Transceiver out of the reach of children. Expert Electronics 2018...
Recommended power supply, V Supply voltage range, V 10...15 Maximum consumption current, А Built-in audio codec resolution, bit Dimensions, mm (inches) 185х106х45 (6,5”x 6,94” x 1,38”) Operating temperature, ºC (ºF) 0(32) to +75(167) Weight, kg (lbs) 0,8 (1,1) Expert Electronics 2018...
Connector is intended for connection of DC power source with voltage of +12V and maximum load current 3A. 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 Expert Electronics 2018...
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13. PTT jack 3.5 PTT footswitch connector. 14. External reference oscillator Input Appropriate Voltage for this input: 10-13 10 MHz dB/mW amplitude and 10MHz frequency. 10 MHz CMOS level input Warning! Improper use or higher voltage may damage the transceiver! Expert Electronics 2018...
Switch with open collector to control an external PA, max current 100 mA, max voltage 33 V Protective diode pin +12V Pin for power supply +12V, MAX current 0.8 A, 2A fused Ground I1, I2 Button sensors, works on the input RA, RB RS485 Interface Expert Electronics 2018...
Dynamic microphones are less sensitive to the foreign noises due to the greater focus. Dynamic microphones have a higher speech quality and signal/noise ratio during operation. Pin description and numbering of MIC2 input MD-15 dynamic microphone pin-out Expert Electronics 2018...
PC. CW-key connector pinout 5. 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. 2. Connect an HF-antenna to the ANT connector;...
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7. Open Options→ Sound Card menu and make sure that the Enable checkbox in the Sound card half is unchecked. See picture below: 8. Click OK. If everything is done correctly, you will see the air noise on the panorama and hear the sound in the headphones. Expert Electronics 2018...
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...
DHCP Server, this will save you about 20 seconds after switching on. 9. 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...
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