Icom IC-910H [6/86] I front panel

Icom IC-910H [6/86] I front panel
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PANEL DESCRIPTION
Front panel
(continued)
!4 AF CONTROL [AF] (inner control)
Varies the audio output level from the speaker for
the SUB band.
!5 SETMENU SWITCH [SETMENU] (p. 55)
Push this switch then one of [FM],
[SSB/CW], [RIT], [SCAN], [NR], [TRANS-
MIT], [COMP], [VOX], [ATT], [SWP],
[MPW] or [SPCH] to enter the indepen-
dent item set mode.
Push for 1 sec. to enter the set mode for
commonly used item settings.
!6 ATTENUATORPRE-AMP SWITCH [ATTP.AMP]
Push to switch the attenuator function
ON and OFF. (p. 29) Use this function to
protect from signal distortion from exces-
sively strong signals.
The attenuation level is independently ad-
justable for 144 MHz or 430(440) MHz band
in the ATT set mode. The optional 1200 MHz
band attenuation level is xed and is approx.
20 dB. (p. 65)
Push for 1 sec. to switch the connected
pre-amplier ON and OFF, when an op-
tional pre-amplifier unit, AG-25, AG-35
and/or AG-1200, is connected. (p. 16)
DO NOT connect any equipment, such as an SWR
or power meter between the transceiver and pream-
plier. In such case, the preamplier may not acti-
vate properly.
!7 AUTO FREQUENCY CONTROL/NOISE
BLANKERNOISE REDUCTION SWITCH
[AFC/NBNR]
During FM/FM narrow mode operation,
push to switch the AFC (Automatic Fre-
quency Control) function ON and OFF.
(p. 28)
Automatically tunes the operating frequency,
when an off-frequency signal is received, in
100 kHz steps. This function also follows the
signal even if the frequency is shifted.
During SSB or CW mode operation, push
to switch the noise blanker function ON
and OFF. (p. 30)
Reduces pulse-type noise, such as ignition
noise from a vehicle.
Push for 1 sec. to switch the noise re-
duction function ON and OFF when an
optional DSP unit, UT-106, is installed.
(p. 31)
Reduces unwanted noise and pulls out the
desired signal only for clear readability.
For 1 sec.
For 1 sec.
For 1 sec.
!4
!5
!6
!7
!8
!9
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