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BASIC OPERATION

■ Receiving and transmitting

CAUTION: DO NOT transmit without an antenna.

NOTE: Before using the transceiver for the rst time, the battery pack

must be fully charged for optimum life and operation. See Section 4

for battery charging.

1. Push [▲] or [▼] to select a channel.

• When a signal is received, “ ” is displayed.

2. Hold down [PTT], and speak into the microphone to transmit.

• “ ” is displayed while transmitting.

3. Release [PTT] to receive.

TIP: To maximize the readability of your transmitted signal, pause for

a second after pushing [PTT] and hold the microphone 5 ~ 10 cm (2 ~

4 inches) from your mouth, and then speak at your normal voice level.

NOTE:

• To conserve battery power, the Power Save function

automatically turns ON when no signal is received for 5 seconds.

• The Time-out Timer function* cuts OFF transmission after 5

minutes of continuously transmitting, to prevent prolonged

transmission.

10 seconds before transmission is cut off, a beep

sounds to indicate the transmission will be cut off, and “TOT” blinks.

After it is cut OFF, “TOT” is displayed for 10 seconds, and you

cannot transmit until it disappears.

* This function may not be installed, depending on the transceiver

version.

D SP Line Convert function

When the optional speaker microphone is not used, the speaker

can be converted into a microphone.

L The speaker automatically converts into a microphone when the

transceiver is oating on the water, depending on the Set mode

setting. (p. 19)

z Push [VOL/SQL] while holding down [PTT] to turn the function ON

or OFF.

1Select a channel�

2Push to transmit�

3Release to receive�

Icom IC-M37 User Manual

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