3 BASIC OPERATION

Lock function

This function electronically locks all keys, except [PTT], [SQL•MONI] and [H/L•LOCK] to prevent accidental channel changes and function access.

Push [H/L•LOCK] for 1 sec. to turn the lock function ON and OFF.

-Only [PTT], [H/L•LOCK] and [SQL•MONI] are functional.

Appears while the lock function is used.

Adjusting the squelch level

The IC-M21 has a squelch even though there is no control knob for it. In order to receive signals properly, as well as for scan to function, the squelch must be adjusted to a suitable level.

Appears durling squelch level adjustment.

Each dot indicates the squelch level

(Level 10: Max. squelch level)

qPush [SQL•MONI], then adjust the squelch level with [Y]/[Z].

-“SQL” indicator and squelch level indicator appear.

-There are 11 squelch levels to choose from: 0 is completely open; 10 is the maximum squelch level.

-When no keys are pushed for 5 sec., the transceiver returns to normal condition.

wPush [SQL•MONI] again to return to normal condition.

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Genius IC-M21 instruction manual Lock function, Adjusting the squelch level, Appears while the lock function is used