Icom IC-7410 Instruction Manual - Page 41

Basic transmit operation

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3 BASIC OPERATION ■ Basic transmit operation Before transmitting, monitor the operating frequency to make sure transmitting won't cause interference 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 begin operating on that frequency. D Transmitting CAUTION: Transmitting without an antenna will damage the transceiver. q P ush [PTT] on the microphone to transmit (or [TRANSMIT] on the transceiver). • The TX indicator lights red. w R elease [PTT] to receive (or push [TRANSMIT] again). ✔ Adjusting the transmit output power ➥ Rotate [RF PWR]. • Adjustable range : 2 W to 100 W (2 W to 27 W in the AM mode) Increases [TRANSMIT] TX indicator [RF PWR] Decreases D Microphone gain adjustment (Mode: SSB/AM/FM) q P ush [PTT] on the microphone to transmit. • Speak into the microphone at your normal voice level. w In the SSB mode: While speaking into the microphone, rotate the [MIC] control so that the ALC meter reading stays within the ALC zone. In the AM and FM modes: While speaking into the microphone, rotate the [MIC] control with another station listening to your voice for clarity. Recommended level for an Icom microphone Decreases Increases e R elease [PTT] to receive. [MIC] ALC zone 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 34

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34
3
BASIC OPERATION
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■
Basic transmit operation
Before transmitting, monitor the operating fre
-
quency to make sure transmitting won’t cause
interference to other stations on the same fre
-
quency. 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 begin operating on that frequency.
D
Transmitting
CAUTION:
Transmitting without an antenna will
damage the transceiver.
q
Push [PTT] on the microphone to transmit (or
[TRANSMIT] on the transceiver).
• The TX indicator lights red.
w
Release [PTT] to receive (or push [TRANSMIT]
again).
✔
Adjusting the transmit output power
➥
Rotate [RF PWR].
• Adjustable range : 2 W to 100 W
(2 W to 27 W in the AM mode)
Increases
Decreases
D
Microphone gain adjustment
(Mode: SSB/AM/FM)
q
Push [PTT] on the microphone to transmit.
• Speak into the microphone at your normal voice level.
w
In the SSB mode:
While speaking into the microphone, rotate the
[MIC] control so that the ALC meter reading stays
within the ALC zone.
In the AM and FM modes:
While speaking into the microphone, rotate the
[MIC] control with another station listening to your
voice for clarity.
Recommended level for
an Icom microphone
Increases
Decreases
e
Release [PTT] to receive.
[TRANSMIT]
[RF PWR]
TX indicator
ALC zone
[MIC]