ICOM 307900 Manuale Utente

n

D Repeater operation

Ask your dealer for details of the repeater’s program-
ming.

➥

When the power is turned ON, the 

[PWR] indicator 

lights green. (p. 1)

➥

The 

[TX] and [BUSY] indicators light simultane-

ously while transmitting/receiving a signal.

  • The 

[TX] indicator lights red.

  • The 

[BUSY] indicator lights green.

D Base station operation

q

  Push 

[POWER] to turn the power ON.

w

 Set the audio and squelch levels.

  ➥  Rotate 

[SELECT]*

1

 fully counterclockwise in ad-

vance.

  ➥  Rotate 

[VOLUME] to adjust the audio output 

level.

  ➥  Rotate 

[SELECT]*

1

 clockwise until the noise 

disappears.

e

  Push 

[CH Up]*

2

 or 

[CH Down]*

2

 to select the de-

sired channel.

  •  When receiving a signal, the 

[BUSY] indicator lights 

green and audio is emitted from the speaker.

  •  Further adjustment of 

[VOLUME] to a comfortable lis-

tening level may be necessary at this point.

*

1

  When the [SQL Level Up/Down] key function is assigned 

to [SELECT].

*

2

  When the [CH Up]/[CH Down] key functions are as-

signed.

q

  Take the microphone off hook.

w

 Wait for the channel to become clear.

e

  Push and hold 

[PTT] to transmit, then speak into 

the microphone at your normal voice level.

r

 Release 

[PTT] to receive.

IMPORTANT: 
To maximize the audio quality of the transmitted sig-
nal:
(1) Pause briefly after pushing 

[PTT].

(2)  Hold the microphone 1 to 2 inch (2.5 to 5 cm) from 

your mouth, then speak into the microphone at a 
normal voice level.

3

7