Motorola APX 4000 User's Guide download pdf (Page 64)

General Radio Operation

English

Monitoring a Channel

Procedure:

Press the preprogrammed Monitor button and proceed to

Step 3.

Follow the procedure below.

1 Select the desired zone and channel.

2 Listen for a transmission.

3 Adjust the Volume Change MFK if necessary.

4 Press and hold the PTT button to transmit. The LED lights

up solid red.

5 Release the PTT button to receive (listen).

The Carrier Squelch indicator appears on the display when you

monitor a channel via the preprogrammed Monitor button.

Conventional Mode Operation

Your radio may be preprogrammed to receive Private-Line

(PL) calls.

Procedure:

1 Momentarily press the Monitor button to listen for activity.

The Carrier Squelch indicator appears on the display.

2 Press and hold the Monitor button to set continuous

monitor operation. The duration of the button press is

programmable.

3 Press the Monitor button again, or the PTT button, to return

to the original squelch setting.

If you try to transmit on a receive-only channel, you hear an

invalid tone until you release the PTT button.

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Motorola APX 4000 User's Guide Page 64