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Icom IC-746 Instruction Manual

Icom IC-746
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6
1
PANEL DESCRIPTION
$5 PASSBAND TUNING CONTROLS [TWIN PBT]
(p. 41)
Adjust the receivers passband width of the 455
kHz and 9 kHz IF lters 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 lter 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.
$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.
Ï
M-CH
V/M CALL
M VFO
TWIN PBT
MW M-CL
Ï
$5
$6 $7
$8 $9
%0
wq
[ANT1][ANT2]
[ANT144MHz]
[REMOTE]
[SP]
[KEY JACK] [ACC1/2] [SEND]
[ALC]
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.

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Icom IC-746 Specifications

General IconGeneral
ModeSSB, CW, RTTY, AM, FM
Receiver TypeDouble conversion superheterodyne
Antenna ConnectorSO-239
Voltage13.8 V DC ±15%
Impedance50 ohms
Output Power100 W (SSB, CW, FM, RTTY), 40 W (AM)
Current DrainTX: 20 A
SensitivityAM: 2 µV
SelectivityCW: 500 Hz (-6 dB)

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