Motorola III User Manual download pdf (Page 20)

MAEPF-22485-O

19 Basic Radio Operation (cont.)

Transmitting

Conventional Modes

1. Turn the radio on and select the desired zone and

mode (see “Selecting a Zone and Mode”).

2. (SECURENET-equipped radios only). If the mode is

programmed as neither secure-only nor clear-only,

turn the two-position concentric switch to the

desired postion ( = SECURENET voice

transmission; = clear voice transmission).

3. Listen for a transmission and adjust the volume

control for a comfortable listening level. Refer to

step 2 of “Conventional Modes,” “Receiving a Call.”

4. Do not interrupt another user. If the mode on

which you are transmitting is programmed to

receive PL ( or the proper code if SECURENET-

equipped), ensure that the mode is not in use by

momentarily depressing the monitor button to

listen for activity. If the mode-busy feature is

enabled, a blinking red LED on receive (PTT

released) will indicate that the mode is currently

busy and you should not transmit.

Note: The mode-busy feature is suggested for

SECURENET-equipped radios, since monitoring of

SECURENET activity with a different key will sound

like noise that is nearly indistinguishable from

channel noise.

5. When the mode is clear, press and hold the PTT

switch on the side of the radio and speak slowly

and clearly into the microphone area. The red LED

will be lit continuously while the radio is

transmitting. When you have finished talking

(transmitting), release the PTT to listen (receive).

Notes:

• If a mode is programmed for receive only, any

attempt to transmit on that mode will cause

an invalid-mode tone to sound until the PTT

switch is released.

• To take full advantage of the noise-cancelling

feature, avoid blocking the noise-cancelling

port during transmitting.

LED, red

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Motorola III User Manual Page 20