10
4
RECEIVE AND TRANSMIT
■
Functions for receive
D
Squelch function
The squelch function detects signals with voice com-
ponents and squelches (mutes) unwanted signals
such as unmodulated beat signals. This provides
quiet standby.
When you need to receive weak signals, the squelch
should be turned off.
Push [SQL] to toggle the function on and off.
• “SQL” appears when the squelch function is turned on.
D U P
T X
RX
D S C
F
S Q L
AGC
A L M
D
Noise blanker
The noise blanker function reduces pulse type noise
such as that coming from engine ignitions.
The noise blanker may distort reception of strong sig-
nals. In such cases, the noise blanker should be
turned off.
Push [NB] to toggle the function on and off.
• “NB” appears when the noise blanker function is turned
on.
D U P
T X
RX
D S C
F
N B
AGC
A L M
D
AGC off function
The receiver gain is automatically adjusted according
to received signal strength with the AGC (Automatic
Gain Control) function to prevent distortion from
strong signals and to obtain a constant output level.
When receiving weak signals with adjacent strong
signals or noise, the AGC function may reduce the
sensitivity. In this situation, the AGC function should
be deactivated.
Push [AGC] to toggle the function on and off.
• “
ê
” appears when the AGC function is deactivated.
T X
RX
D S C
F
AGC
AG
AGC
A L M
D
RF gain setting
The receiver gain can be reduced with the RF gain
setting. This may help to remove undesired weak sig-
nals while monitoring strong signals.
Usually, the AGC function reduces the RF gain ac-
cording to the receive signal strength and these weak
signals are remove. However, during no signal recep-
tion, these weak signals may not be heard.
In such cases, the RF gain may be useful for setting a
minimum level at which to hear signals.
➀
Push [FUNC] then [RX] to call up the following dis-
play.
➁
Rotate the [CHANNEL] selector to set the desired
minimum cutting level.
• “0” to “9” are available.
• S-meter shows the minimum permitted level.
➂
Push [FUNC] or [CE] to exit the RF gain display.
T X
RX
D S C
F
AGC
A L M
D
Clarity control
Voice signals received from other stations may be dif-
ficult to receive. This may sometimes happen if a sta-
tion is transmitting slightly off frequency. In such
cases, compensate the receive frequency only, using
the [CLARITY] control.
Adjust [CLARITY] to improve the audio signal.
[CLARITY]
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