Rear Panel - Icom IC-746 Instruction Manual

1
PANEL DESCRIPTION
$5 PASSBAND TUNING CONTROLS [TWIN PBT]
(p. 41)
Adjust the receiver's "passband width" of the 455
kHz and 9 kHz IF filters for the inner and outer con-
trols, respectively.
• Passband width and center frequency are displayed in
the function display.
• Set to the center positions when not in use.
• Variable range depends on the filter selection. ±1.29 kHz
in 15 Hz steps and ±258 Hz in 3 Hz steps are available.
$6 VFO/MEMORY SWITCH [V/M]
Toggles the selected readout operating mode be-
tween VFO mode and memory mode when
pushed.
Transfers the memory contents to VFO when
pushed for 2 sec.
$7 CALL CHANNEL SWITCH [CALL] (p. 51)
Brings up the call channel.
• When the call channel is displayed, push this switch to
exit call channel mode.
[KEY JACK]
q
6
Ï
[ANT144MHz] [ANT2] [ANT1]
[REMOTE]
[ACC1/2] [SEND]
w
[SP]
[ALC]
Ï
TWIN PBT
$5
M VFO
$6
V/M CALL
$8
MW M-CL
M-CH
$8 MEMORY WRITE SWITCH [MW] (p. 51)
Stores the selected readout frequency and operat-
ing mode into the displayed memory channel when
pushed for 2 sec.
• This function is available in both VFO and memory
modes.
$9 MEMORY CLEAR SWITCH [M-CL] (p. 50)
Clears the selected readout memory channel con-
tents when pushed for 2 sec. in memory mode.
• This switch does not function in VFO mode.
%0 MEMORY CHANNEL CONTROL [M-CH] (p.49)
Selects a memory channel.
• Rotate clockwise to increase the memory channel; ro-
tate counterclockwise to decrease the memory channel.

1-2 Rear panel

q CALIBRATION POT [CAL]
This is used for frequency calibration (p. 65).
• The transceiver has been adjusted and calibrated thor-
oughly at the factory. Under normal circumstances, the
frequency does not need to be recalibrated.
w COMPRESSION LEVEL CONTROL [COMP GAIN]
(p. 46)
Adjusts the speech compression level in SSB.
NOTE: Refer to "12-2 Rear panel" (p. 68) for details
concerning other rear panel connectors, etc.
$7
$9
%0