15
Adjust Noise Limitations (NB/HICUT)
NB (Noise Blanker) detects noise pulses (for example: engine
noises) and attenuates the transceiver for the duration of the
pulse. HICUT attenuates signals higher than a specific threshold.
You can set either NB or HICUT on, or both of them on.
1. Press
NB/HICUT
(on top of the speaker/microphone) once.
NB on;
NB
only displays on the LCD.
2. Press
NB/HICUT
again (twice). HICUT on, NB off;
HIC
only
displays on the LCD.
3. Press
NB/HICUT
again (three times). NB and HICUT both on;
both
NB
and
HIC
display on the LCD.
Adjust Attenuation (LO/DX)
Press
LO
/DX
to
allow automatic RF Gain adjustment for close
communication.
1. Press
LO/DX
.
LOCAL
displays, indicating that no RF Gain is
applied.
2. Press
LO/DX
again. RF Gain is on to boost weaker signals
and
LOCAL
goes away.
Set Key Lock
Turning on Key Lock (
LOCK
key on top of the speaker/
microphone) prevents the keys from operating (except
PTT
,
volume ▲/▼,
SQL
, and
POWER
).
1. Press and hold
LOCK
until the key icon displays. Key Lock is
ON.
2. Press and hold
LOCK
until the key icon goes away. Key Lock
is OFF.
MENU OPERATION
Press
MENU/ENTER
to access the 5 CMX560 menus:
•
Memory Scan
•
Roger Beep
•
Key Beep
•
Dimmer
•
LCD Contrast