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Icom IC-746 Instruction Manual

Icom IC-746
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43
6
FUNCTIONS FOR TRANSMIT
6-1 VOX function
[VOX/BK-IN]
Tuning dial
[MENU]
50%
VOXGain
VOX
F1
F2
F3 F4 F5
Sets item up/down
50%
AntiVOX
VOX
F1
F2
F3 F4 F5
Sets item up/down
0.2s
VOXDelay
VOX
F1
F2
F3 F4 F5
Sets item up/down
The VOX function starts transmission without pushing
the transmit switch or PTT switch when you speak into
the microphone; then, automatically returns to receive
when you stop speaking. This function is available for
SSB, AM and FM modes. Before using this function,
follow the steps below.
Select a phone mode (SSB, AM, FM).
Push [VOX/BK-IN] to turn the VOX function ON and
OFF.
•“VOX appears when the function is ON.
Push [VOX/BK-IN] for 2 sec. to select VOX program
mode.
ADJUSTING THE VOX GAIN
ADJUSTING THE ANTI-VOX
ADJUSTING THE VOX DELAY
Push [F1] or [F2] to select VOX Gain.
While speaking into the microphone, rotate the tun-
ing dial to the point where the transceiver is continu-
ously transmitting.
Be careful that sounds other than your voice are not af-
fecting this setting.
Push [MENU] or [VOX/BK-IN] to return to menu set 1.
Push [F1] or [F2] to select Anti VOX.
While speaking into the microphone, rotate the tun-
ing dial to obtain the most readable signal.
Push [MENU] or [VOX/BK-IN] to return to menu set 1.
Push [F1] or [F2] to select VOX Delay.
Rotate the tuning dial (and speak into the micro-
phone) to obtain a suitable interval for returning to
receive after transmitting.
Push [MENU] or [VOX/BK-IN] to return to menu set 1.

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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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