Selecting A Memory Channel; Lock Function; Receive And Transmit - Icom IC-T7H Instruction Manual

3
BASIC OPERATION

Selecting a memory channel

Push [MR] to select memory
mode.
Push 2 digit keys to select
the desired memory channel
(or rotate [DIAL]).
• The first nine memory chan-
nels are preceded by a "0."
• To select scan edges 1A to 4B,
use [ ] for "A" and [ ? ] for "B."
@
• Only programmed memory
channels can be selected.

Lock function

The lock function prevents accidental frequency changes and
accidental function activation.
Slide [LOCK] up or down to set the
lock function ON or OFF, respec-
tively.
• "L" appears while the lock function is
activated.
• [PTT], [POWER], [VOL], [MONI], and
[H/L] can be used regardless of this setting.
12
MR
MR
6
MR
0
MR

Receive and transmit

Push [POWER] for 1 sec. to turn power ON.
Adjust the [VOL] control to the desired level.
• While pushing [MONI], rotate [VOL].
Set the squelch level.
• While pushing [MONI], rotate [DIAL].
• 4 selections are available, "OP"
(open), "AT" (automatic), 1 and 2.
Set an operating band and frequency.
When a signal is received:
Squelch opens and audio is emitted from the speaker.
The S/RF indicator shows the relative signal strength.
Push [H/L] to toggle output power between high and low.
• "LOW" appears when low output power is selected.
Push and hold [PTT] to transmit; then speak into the mic.
• Do not hold the microphone too close to your mouth or speak
too loudly. This may distort the signal.
• The TX/RX indicator lights red.
• The S/RF indicator shows the output power selection.
Release [PTT] to return to receive.
CONVENIENT
Monitor function: Push and hold [MONI] to listen to weak
signals that do not open the squelch; or push [MONI] twice to
monitor a signal without having to continuously hold [MONI].
Squelch control: The transceiver employs a noise pulse
count system and therefore, squelch is adjusted automati-
cally, when "AT" is selected.