Operation Manual

1-4
■ Front panel (continued)
!9 AGC CONTROL [AGC] (for MAIN band; p. 5-11)
@0 AGC CONTROL [AGC] (for SUB band; p. 5-11)
Adjusts the continuously-variable AGC circuit time
constant.
• To use [AGC] control, push the appropriate band’s
[AGC VR] ([AGC VR] indicator lights).
@1 AGC VOLUME SWITCH [AGC VR]
(for MAIN band; p. 5-11)
@2 AGC VOLUME SWITCH [AGC VR]
(for SUB band; p. 5-11)
➥ Push to toggle [AGC] control usage ON and OFF.
• Use [AGC] control to set the AGC time constant when
switched ON.
• The [AGC VR] indicator above this switch lights
green when the control is ON.
➥ Turns the AGC function OFF when pushed for
1 sec.
@3 AF CONTROL [AF] (inner control; for SUB band)
@4 AF CONTROL [AF] (inner control; for MAIN band)
Varies the audio output level of the speaker or
headphones.
@5 RF GAIN CONTROL [RF] (outer control; for MAIN
band; p. 3-9)
@6 RF GAIN CONTROL [RF] (outer control; for SUB
band; 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.
@7 SQUELCH CONTROL [SQL] (outer control; for
MAIN band; p. 3-9)
@8 SQUELCH CONTROL [SQL] (outer control; for
SUB band; p. 3-9)
Adjusts the squelch threshold level. The squelch re-
moves noise output from the speaker (closed con-
dition) when no signal is received.
• The squelch is particularly effective for FM. It is also
available for other modes.
• 11 to 12 o’clock position is recommended for any set-
ting of the [SQL] control.
Deep
Deep
S-meter
squelch
Noise squelch
Squelch
is open.
Squelch
threshold
Shallow
Shallow
Sensitivity
increases
Sensitivity
decreases
Audio output
increases
Audio output
decreases
Slow
Fast
1
PANEL DESCRIPTION
@6
@4
@5
@1
@2
@3
#2
!9
#0 #1@9
@0
#3 #4
@7 @8