How To Adjust Low Power - Furuno FS-1503 Service Manual

How to adjust LOW power

1. Select a TX channel. For example, select the ITU channel 401.
2. Press [TUNE/7].
TUNE appears on the display and the coupler starts tuning. When the tuning is
completed successfully, TUNE OK appears.
3. While pressing and holding down [ENT], press [9], and LOW power data appears.
4. Set power data by rotating the FREQ/CH knob. The data can be set to from 0 to HI
power data minus 1. Read the power meter, if connected, while pressing the PTT
switch and whistling or speaking into the handset.
5. Press [ENT] to register the power data.
6. Repeat steps 1 to 5 to set another power data.
T appears during TX.
4001
ITU R
140
DUP
0 2 4 6 8 10
AGC
LOW
J3E
4-15
ITU Channel Number
LOW Power Data
During TX, RF output level can be read.