Icom IC-7700 - Page 17

1-7
MF5 (MULTI-FUNCTION 5 SWITCH)
➥ Activates and selects a fast, mid
or slow AGC time constant when
pushed. (p. 5-12)
  •IntheFMmode,only“FAST”isavailable.
➥ Selects the AGC set mode when held
down for 1 second. (p. 5-12)
The AGC time constant can be set be-
tween 0.1 and 8.0 seconds
(depending
on the mode)
, or turned OFF. When the
AGC is “OFF,” the S-meter does not
function.
✔ What is the AGC?
The AGC controls the receiver gain to produce a con-
stant audio output level, even when the received signal
strength varies dramatically. Select “FAST” for tuning and
then select “MID” or “SLOW,” depending on the receiving
condition.
MF6 (MULTI-FUNCTION 6 SWITCH)
➥ Turns the speech compressor ON or
OFF in the SSB mode. (p. 6-5)
➥ Switches the compression between
narrow, mid or wide when held down
for 1 second.
✔ What is the speech compressor?
The speech compressor compresses the transmitter
audio input to increase the average audio output level,
to increase talk power. This function is effective for long-
distance communication or when propagation conditions
are poor.
➥ Turns the
1
⁄4-speed tuning function
ON or OFF in the SSB data, CW,
RTTY and PSK modes. (p. 3-6)
  •
1
⁄4 function sets dial rotation to
1
⁄4 of
normal speed for fine tuning.
➥ Switches between the tone encoder,
tone squelch function and no-tone op-
eration when pushed in the FM mode.
(pp. 4-33, 4-34)
➥ Selects the tone set mode when held
down for 1 second in the FM mode.
(pp. 4-33, 4-34)
MF7 (MULTI-FUNCTION 7 SWITCH)
➥ Switches the voice squelch control
function ON or OFF; useful for scan-
ning. (p. 9-3)
#4 LCD FUNCTION SWITCHES
F-1
–
F-7
Push to select the function indicated in the LCD
display above these switches.
 •Functionsvary,dependingontheoperatingcondition.
#5 TRANSMIT INDICATOR [TX]
Lights red while transmitting.
#6 RECEIVE INDICATOR [RX]
Lights green while receiving a signal and when the
squelch is open.
#7 LCD FUNCTION DISPLAY (p. 1-14)
Shows the operating frequency, function switch
menus, spectrum scope screen, memory list
screen, set mode settings, etc.
#8 SPLIT OPERATION INDICATOR [SPLIT]
Lights during split frequency operation.
#9 LOCK INDICATOR [LOCK] (p. 5-18)
Lights when the dial lock function is activated.
$0 TRANSMIT FREQUENCY CHECK SWITCH
[XFC] (p. 6-6)
Monitors the transmit frequency
(including ∂TX
frequency offset)
when held down during split fre-
quency operation.
 •Whilepushingthisswitch,thetransmitfrequencycan
be changed with the main dial, keypad, memo pad or
∫
/
√
switches.
 •Whenthesplitlockfunction isturnedON,pushing
[XFC] cancels the dial lock function. (p. 6-7)
$1 MEMORY UP/DOWN SWITCHES
∫
/
√
(p. 8-2)
Push to select the desired memory channel.
 •MemorychannelscanbeselectedbothinVFOand
memory modes.
$2 KEYPAD
➥ Pushing a key selects the operating band.
(p. 3-4)
   •
GENE
•
selects the general coverage band.
➥ Pushing the same key 2 or 3 times calls up
other stacked frequencies in the band. (p. 3-4)
   •Icom’striplebandstackingregistermemorizes3fre-
quencies in each band.
➥ After pushing
F-INP
ENT
, enters a frequency or
memory channel. Pushing
F-INP
ENT
or
∫
/
√
is necessary to end the entry. (pp. 3-5,
8-2)
   •Toenter14.195MHz,push
F-INP
ENT
1.8
1
10
4
GENE
•
1.8
1
28
9
14
5
F-INP
ENT
.
VSC
OFF
TONE
OFF
1 / 4
ON
COMP
OFF
WIDE
AGC
MID
1
PANEL DESCRIPTION