6
3
BASIC OPERATION
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-M3A can detect a weather alert tone on a selected
weather channel while scanning. See the “SET mode items”
on p. 12.
• 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 • LOCK] for 1 sec. to turn the lock function ON and
OFF.
- Only [PTT], [H/L] and [SQL] are functional.
■ Adjusting the squelch level
The IC-M3A 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.
q Push [SQL], then select the squelch level with the [ ]/[ ]
keys.
- There are 11 squelch levels to choose from: OFF 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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