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Icom IC-7851 - Asic Transmit Operation

Icom IC-7851
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4-13
4
BASIC OPERATION
Basic transmit operation
D Transmitting
q Push [TRANSMIT] or [PTT] (microphone) to trans-
mit.
The Main band’s [TX] indicator lights red.
When split operation is selected, the Sub band’s [TX]
indicator lights.
w Push [TRANSMIT] again or release [PTT] (micro-
phone) to receive.
Adjusting the transmit output power
Rotate [RF PWR].
• Adjustable range: Less than 5 W to 200 W
(AM mode: Less than 5 W to 50 W)
D Adjusting the microphone gain
q Push the Multi-function [METER]() key to select
the ALC meter.
w Push [PTT] to transmit.
Talk into the microphone at your normal voice level.
e While talking, rotate [MIC] so that the ALC meter
reading doesn’t go outside the ALC zone (see to
the right).
r Release [PTT] to receive.
Before transmitting, monitor your selected operating frequency to make sure you don’t cause interfer-
ence to other stations on the same frequency. It’s good amateur practice to listen first, and then, even if
nothing is heard, ask “is the frequency in use” once or twice, before you being operating.
[TRANSMIT]
[RF PWR] TX indicator (MAIN)
“<5W” is displayed when the power is set less than 5 W.
TX power readout (approx.)
[TRANSMIT]
[MIC]
TX indicator (MAIN)
S
1
0
0
0
1
2
5
10
10
10
20
44
52V
50 100
150
200
250
15
3
1.5
ID
VD
dB
W
A
Po
SWR
COMP
ALC
5
9
+
20
+
40
+
60dB
ALC zone

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