Lock Function - Icom IC-M2A Instruction Manual

D Weather channels
There are 10 weather channels. These are used for monitor-
ing weather channels from the NOAA (National Oceano-
graphic and Atmospheric Administration) broadcasts.
The IC-M2A can detect a weather alert tone on a selected
weather channel while scanning. See the "SET mode items"
on p. 13.
• Push [CH/WX] to select weather channels.

Lock function

This function electronically locks all keys and switches to pre-
vent accidental frequency changes and function access.
• Push [H/L • ] for 1 sec. to turn the lock function ON and
LOCK
OFF.
- Only [PTT], [H/L] and [SQL] are functional.
Appears while the
lock function is used.
Adjusting the squelch level
The IC-M2A 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 while squelch
level adjusting.
Squelch level indicator
(Level 10: Max. squelch level)
q Push [SQL], then select the squelch level with the [
keys.
- There are 11 squelch levels to choose from: 0 is completely
open; 10 is the maximum squelch level.
- When no key pushes within 5 sec., the display returns to normal
indication.
w Push [SQL] once more when the desired squelch level is
indicated in the function display.
- The display returns to normal indication.
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BASIC OPERATION
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