Icom IC-M804 - Other Functions

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
5
5
■ Other functions
Emergency FREQ channel


call can be monitored without receiving or transmitting
a DSC call.
1. 
Emergency FREQ
is displayed
in the Software Key area.
2. Push
Emergency FREQ
.
• 
channel and
Emergency
is displayed in the Channel
area.
3. 
channel.
Noise Blanker function
The Noise Blanker function reduces pulse-type noises
that come from engine ignitions.
However, if the received strong signals are distorted,

1. 
NB
is displayed in the
Software Key area.
2. Push
NB

L 
Status area.
Noise Blanker Level

Noise Blanker level to reduce various pulse-type
noises.
Set to between 1 and 10.
1. 
NB Level
is displayed in the
Software Key area.
2. Push
NB Level
.
• The NB level setting window is displayed.
3.  
Blanker level.
Squelch function
The Squelch function mutes unwanted signals such
as noise or unmodulated beat signals. This function
enables quiet standby.


1. 
SQL
is displayed in the
Software Key area.
2. Push
SQL

L 
Status area.
S-meter Squelch Level

stronger than this set level are received.
Set to between 0 (open) and 100 (tight).
1. 
S-SQL Level
is displayed in
the Software Key area.
2. Push
S-SQL Level
.
• 
3. 
level.
RF gain Level



1. 
RF Gain
is displayed in the
Software Key area.
2. Push
RF Gain
.
• 
3. 
Clarity Control function
With the Clarity Control function, you can slightly shift
the receive frequency without changing the operating


Set to between -150 Hz and +150 Hz (in 10 Hz steps).
1. 
Clarity
is displayed in the
Software Key area.
2. Push
Clarity

• is displayed in the Channel area.
3. 
