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Furuno FS-1503 - How to Adjust TUNE Power

Furuno FS-1503
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4-16
How to adjust TUNE power
Tune power data is factory-adjusted to 40. Do not change this setting unless
Furuno asks you to change this setting. Too high setting may cause the antenna
coupler to burn out.
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 [TUNE/7], and TUNE power data
appears.
4001
40
J3E
ITU Channel Number
TUNE Power Data
ITU R
AGC
DUP
T a
pp
ears durin
g
TX.
0 2 4 6 8 10
During TX, RF output level can be read.
TUNE
NB
TR
4. Set power data by rotating the FREQ/CH knob.
The data can be set to from 0 to 60.
5. Press [ENT] to register the power data.

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