User Guide

SET MODE

ACC socket Pin 8

Assign the ACC socket pin 8 action/connection from

ALC and microphone up/down.

• ALC : Inputs ALC signal.

• ud : Inputs up/down signals from the microphone.

ACC socket Pin 4/DATA socket Pin 1

Select modulation signal input level from high and

low.

• HI : High modulation signal level (200 mV rms)

• Lo : Low modulation signal level (2 mV rms)

ACC socket Pin 3 for 144 MHz band

Switch the SEND signal output for 144 MHz band op-

eration ON and OFF.

ACC socket Pin 3 for 430(440) MHz band

Switch the SEND signal output for 430(440) MHz

band operation ON and OFF.

ACC socket Pin 3 for 1200 MHz band

Switch the SEND signal output for 1200 MHz band

operation ON and OFF.

Preampliﬁer controller for 144 MHz

Switch the preamplifier control capability ON and

OFF. When using the optional AG-25, ON must be se-

lected. Otherwise, the preampliﬁer is never activated.

DO NOT connect any equipment, such as an SWR

or power meter, between the transceiver and pre-

amplifier. In such case, the preamplifier may not

activate properly.

P.A MP P.A MP

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