Icom IC-7700 - Page 15

1-5
@1 NOISE REDUCTION SWITCH
NR
(p. 5-18)
Push to switch DSP noise reduction ON or OFF.
 •The[NR]indicatorabovethisswitchlightsgreenwhen
the function is activated.
@2 AF CONTROL [AF] (inner control; p. 3-9)
 Variestheaudio outputlevelof thespeakeror
headphones.
Audio output
increases
Audio output
decreases
@3 RF GAIN CONTROL [RF] (outer control; p. 3-9)
Adjusts the RF gain level.
While rotating the RF gain control, you may hear
noise. This comes from the DSP unit and does
not indicate a malfunction.
Sensitivity
increases
Sensitivity
decreases
@4 NOISE BLANKER SWITCH
NB
(p. 5-17)
➥ Switches the noise blanker ON or OFF when
pushed. The noise blanker reduces pulse-type
noise such as that generated by automobile ig-
nition systems. This function cannot be used in
the FM mode, or on non-pulse-type noise.
   •The[NB]indicatorabovethisswitchlightsgreen
while the function is activated.
➥ Enters the blanking-width set mode when held
down for 1 second.
@5 DRIVE GAIN CONTROL [DRIVE] (p. 3-13)
Adjusts the transmitter level at the driver stage.
Active in all modes
(other than the SSB mode with
[COMP] OFF)
.
Decreases
Increases
Push
@6 COMPRESSION LEVEL CONTROL [COMP]
(p. 6-5)
 Adjusts the speech compression level in SSB.
Compression
gain decreases
Compression
gain increases
Push
@7 MONITOR GAIN CONTROL [MONI GAIN] (p. 6-4)
Adjusts the transmit IF signal monitor level.
Monitor gain
decreases
Monitor gain
increases
Push
@8 VOX GAIN CONTROL [VOX GAIN] (p. 6-2)
Adjusts the transmit and receive switching thresh-
oldlevelforVOXoperation.
Low
sensitivity
High
sensitivity
Push
@9 ANTI VOX CONTROL [ANTI VOX] (p. 6-2)
AdjuststheVOXsensitivitytothespeakeraudio,to
preventunwantedVOXactivation.
‘More sensitive’
and confirm proper operation
‘Less sensitive’
and confirm
proper operation
Push
#0 LCD CONTRAST CONTROL [CONTRAST]
Adjusts the LCD contrast.
Low
contrast
High
contrast
Push
#1 LCD BRIGHTNESS CONTROL [BRIGHT]
Adjusts the LCD brightness.
Darker
Brighter
Push
#2 AUTOMATIC TUNING SWITCH [AUTOTUNE]
(p. 5-22)
Turns the automatic tuning function ON or OFF in
the CW and AM modes.
IMPORTANT!
When receiving a weak signal, or receiving a sig-
nal with interference, the automatic tuning func-
tion may tune the receiver to an undesired signal.
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PANEL DESCRIPTION