3 BASIC OPERATION
■Setting squelch level
The transceiver has a noise squelch circuit to mute undesired noise while receiving no signal.
➥To open the squelch:
Push and hold [SQL] to open the squelch. This is useful to listen to weak signals that do not open the squelch.
-“BUSY” appears on the display.
➥To close the squelch:
Release [SQL] to close the squelch.
DSetting the squelch level
qWhile pushing [SQL], push [Y] or [Z] to select the squelch level.
-‘Sq 1’ is loose squelch and ‘Sq 9’ is tight squelch. (Initial level is 3.)
-‘oPEn’ indicates that the squelch circuit is turned off. w Release [SQL] to return to regular operation.
■Lock function
The lock function prevents accidental channel changes and accidental function access. [PTT] and [SQL] still function while the lock function is in use.
➥Push [
] for 2 sec. to toggle the lock function ON and OFF.
“ ” appears when the | MR |
lock function is in use. |
|
■Display backlighting
Display backlighting automatically turns on when a key is pushed.
■Low battery indicator
Low battery indicator appears
when the battery power has de-
MR
When using an optional headset, such as those from the David Clark Co. via the
creased to a specified level. | SKIP |
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