Furuno FM-8500 User Manual

FELCOM 81
H2-4
3. Setting procedure
3.1 Adjustment of limit switch (Antenna unit: IB-181)
3.2 Tx RF output Level setting (Communication unit: IB-281)
The longer the antenna cable the more the TX RF signal is attenuated.
Adjust potentiometer R135 on the RF CONV Board according to antenna cable length
as follows:
The IB-281, right side view

Furuno FM-8500 Specifications

General

Brand	Furuno
Model	FM-8500
Category	Telephone
Language	English