Furuno RC-1800F Service Manual page 25

2.1 MF/HF (150/250W) system
- For FS-2550, measure PA Vcc and Ic using a check meter on PA-2500J and
× ×η
calculate the antenna power. Pout = PA Vcc Ic (efficiency)
J3E : Press [0: TONE] key and transmit the power by pressing the PTT
switch.
TLX : Transmit the power with NBDP in FEC-Selective Mode.
6. After finishing the output power adjustment, register the data by pressing [ENT] key.
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