(as of May 31,2021 17:29:12 UTC – Details)
hf power amplifier，for QRP transceiver， Improve signal。Can be used both as a base and mobileunit,Extremely Small Compact and lightweight ， Full integration with the FT-817 using the supplied interface cable, The amplifier incorporates various protection circuits such as high VOLTAGE，front mounted LED display.
This amplifier can be successfully used with other QRP rigs such as the ICOM IC-703(and Elecraft KX3).
YAESU FT-817ND Quick operating manual: 1. Connect power cord to DC power supplier, Red to “+”, Black to” -” 2. Connect ACC cable to FT-817 ACC and amp 3. Adjustment “BAND ADJ” button， Select the band.
4. Connect antenna to amp “ANT” and “input” from FT-817 antenna out. Notice! The antenna you used that should well tuned, the SWR should less than 1:1.5 5. Open the power on both power supplier and AMP. The power indicate on. 6. Power on FT-817, the band indicate on Amp shoule be on.
7. Press PTT, the TX indicate on Amp should be on.Notice! If working on FM or SSTV for long operating time, should lower the output power on FT-817, say 2.5W or 1W.