YOUKITS DIG 40 QRP Transceiver User Manual
- June 9, 2024
- YOUKITS
Table of Contents
YOUKITS DIG 40 QRP TRANSCEIVER
OPERATING MANUAL
DIG 40 QRP Transceiver
This 40m only Digital model QRP transceiver can work on FT8, FT4, JT65, PSK31 and SSTV etc connecting with computer(PAD) and related APP.
Specification
Size: 88x38x104mm (knob excluded)
Weight: 280g
Voltage: 10-14VDC
Power consumption: RX<40mA, TX=700-800mA (12VDC)
Freq: 7.0-7.2Mhz
Filter: USB 400-2800Hz
Output: 4-5V (12VDC)
Memory x 3: 7.0475 (FT4) 7.074(FT8) 7.076(JT65)
Sound lever controlled, audio voltage around 30mVp, full output audio voltage
about 80mVp
Connection
Power connection: Any DC power 10-14V, 1A connect to power jack.
Antenna: Well tuned antenna connect to “ANTENNA” use Antenna tuner if
needed. Computer connection: Connect DATA out to MIC IN of computer, DATA in
to headphone of computer.
Operating
PWR = Power on
Freq memory switch, press red “F” button to switch between A B C memory point.
Keep press “F” for over 2 second, the green indicator will be flashed and this
will be the default memory while power up.
Transmitting
Trigger by DATA in audio signal, audio level higher than 30mVp, the red indicator “T” lighting up, it is in transmitting, the indicator lighting level increased while output power higher up.
Computer setup
Please set MIC Gain on computer to Maximum, adjust it in APP or software if showing mic gain is too high.
Frequency memory adjustment
You will need a frequency counter to do the memory adjustment. Open the top cover, power on, switch to the memory spot that you are going to do the adjustment by press F, push the setup button for over 2 second, now the green indicator in fleshing, now use your frequency counter to test above test point, the counter reading is the working frequency, press F to increase 0.5KHz, press the setup button to decrease 0.5KHz, press F when finished and keep press for 2 second, now the indicator is stop flashing, after another 2 second indicator keep on after flashing, now the adjustment is finished.