Basic Operation; Power On; Adjusting The Volume Level; Adjusting The Squelch Level - Icom ic-U80 Instruction Manual

■ Power ON

Hold down [ ] for 1 second to turn ON the power.
• Hold down [ ] for 1 second to turn OFF the power.
The voltage indication can be turned OFF in the Initial Set
mode (p. 48).

■ Adjusting the volume level

Rotate [VOL] to adjust the volume level.
• If the squelch is closed, hold down [MONI] while adjusting the vol-
ume level.
• The display visually shows the volume level while adjusting.

BASIC OPERATION

■ Adjusting the squelch level

While holding down [MONI], push [p] or [q] one or more
times to adjust the squelch level.
• "SqL 1" is loose squelch (for weak signals) and "SqL10" is tight
squelch (for strong signals). "SqL 0" is open squelch.

■ Monitor function

This function is used to listen to weak signals or to open
the squelch manually. You can use it without disturbing the
squelch setting, even when mute functions such as the tone
squelch are in use.
Hold down [MONI] to monitor the operating frequency.
• " " blinks while the Monitor function is ON.
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