5
FUNCTIONS FOR RECEIVE
5-3
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The AGC (Auto Gain Control) controls receiver gain to
produce a constant audio output level, even when the
received signal strength greatly varies.
The transceiver has 3 pre-set AGC time constants: fast,
mid and slow for SSB, CW, RTTY and AM modes.
In the FM , WFM and DV modes, the AGC time con-
stant is fi xed as “FAST” (0.1 second).
AGC speed selection D
On the Mode selection screen, select either the SSB, q
CW, RTTY or AM mode. (p.3-??)
Push w
(C) one or more times to select the
“M-2” screen (M-2 menu).
Touch [AGC]( e D)
to select AGC-F (FAST), AGC-M
(MID) or AGC-S (SLOW).
“AGC OFF” appears when the selected AGC speed’s
time constant is set to OFF.
Setting the AGC time constant D
On the Mode selection screen, select either the SSB, q
CW, RTTY or AM mode. (p.3-??)
Push w
(C) one or more times to select the
“M-2” screen (M-2 menu).
Touch [AGC]( e D) for 1 second
to
display the “AGC”
screen.
Touch either [FAST] r , [MID] or [SLOW](D) to select
the desired AGC speed to be set.
• The selected AGC speed’s time constant is highlighted.
Rotate the Dial to set the selected time constant. t
• AGC time constant can be set to between 0.1 to 8.0 sec-
onds, (depending on the mode) or turned OFF.
• If desired, touch [DEF](D) for 1 second to reset to the
default setting for the selected time constant.
If desired, select another mode (any other than FM, y
WFM or DV), then repeat steps e and r.
Push u
(C) to exit the “AGC” screen.
• Selectable AGC time constant (unit: seconds)
Mode Default
Selectable AGC time constant
SSB
0.3 (FAST)
OFF, 0.1, 0.2, 0.3, 0.5, 0.8, 1.2,
1.6
, 2.0, 2.5, 3.0, 4.0, 5.0, 6.0
2.0 (MID)
6.0 (SLOW)
CW/RTTY
0.1 (FAST)
OFF, 0.1, 0.2, 0.3, 0.5, 0.8, 1.2,
1.6
, 2.0, 2.5, 3.0, 4.0, 5.0, 6.0
0.5 (MID)
1.2 (SLOW)
AM
3.0 (FAST)
OFF, 0.3, 0.5, 0.8, 1.2, 1.6
, 2.0,
2.5, 3.0, 4.0, 5.0, 6.0, 7.0, 8.0
5.0 (MID)
7.0 (SLOW)
FM/WFM/DV 0.1 (FAST) Fixed
For your information
When you are receiving a weak signal, and a strong
signal is momentarily received, the AGC function
quickly reduces the receiver gain. When that signal
disappears, the transceiver may not receive the weak
signal because of the AGC action. In that case, hold
down [AGC](D) for 1 second, and rotate the Dial to
set the time constant to OFF.
AGC function
The L, R, C or D in the
instructions indicate the
part of the controller.
L: Left side
R: Right side
C: Center bottom
D: Display (Touch panel)
L
eft
R
ight
C
enter
D
isplay
• When AGC-M (MID) is selected
• When AGC-F (FAST) is selected
• When AGC-S (SLOW) is selected
Touch [AGC] for
1 second
Selected AGC speed’s time constant display
Selected mode
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