Monitor; Lock; Adjusting The Squelch Level - Icom ic-450 Instruction Manual

3
BASIC OPERATION

■ Monitor

This function is used to listen to weak signals, or to manually
open the tone squelch.
➥ Hold down
ON or OFF.
• The "TX/RX" indicator blinks while the function is ON.

■ Lock

This function electronically locks all keys except for [PTT],
, ,
, and
accidental changes and function access.
➥ Hold down
or OFF.
14
for 2 seconds to turn the Monitor function
Blinks
(holding down for 2 seconds)
for 2 seconds to set the Lock function ON

■ Adjusting the squelch level

Adjust the noise squelch level between 0 and 9. In order to
receive signals properly, as well as for the scan to function
effectively, the squelch must be adjusted to the proper level.
q Push
Push [ ] or [] to select "SQL," and then push [] to
w
enter the squelch adjusting mode.
Push [] or [] to adjust the squelch level between 0
e
and 9, and then push [] to set.
to prevent
Push
r
to enter the menu mode.
to exit the menu mode.