Motorola MTS 2000 Instruções de Operação descarregar pdf (Página 21)

20 Basic Radio Operation (cont.)

MAEPF-22485-O

MAEPF-22623-B (H)

LED, red

Transmitting (cont.)

Trunked Systems

1. Turn the radio on and select the desired trunked 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

position ( = SECURENET voice transmission; =

clear voice transmission).

3. 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 while the

radio is transmitting. When your transmission is

completed, release the PTT to listen.

Notes:

• If you hear a busy signal (a low-frequency “bah-

bah-bah-bah”), release the PTT switch and wait

for a call-back tone (sounds like “di-di-dit”). When

you hear the call-back tone you will have three

seconds to press the PTT switch, allowing you to

make your call without getting another busy

signal.

• If a continuous talk-prohibit tone is heard when

the PTT switch is pressed, transmission is not

possible. The radio may be out of range; or

(SECURENET-equipped only) the two-position

concentric switch may be in the incorrect

position for that mode; for instance, the

particular mode might be slaved encrypted voice

and the switch set to the unencrypted voice

position.

• Avoid blocking the noise-cancelling port during

transmitting so as to take full advantage of the

noise-cancelling feature.

• Transmissions on modes (talkgroups) that are

programmed as neither secure-only nor clear-

only can be changed from clear to SECURENET

by turning the two-position concentric switch and

pressing the PTT switch. However, you cannot

change from SECURENET to clear during a

transmission; you must wait until the

transmission is ended before changing to clear

operation.

• You will be able to change from clear operation

to SECURENET operation, but

not

from

SECURENET to clear during a call.

• If no secure voice channels are currently

available for a SECURENET transmission that you

wish to make, the display will show “NO

SECURE,” and you must switch to a clear mode

or wait until a secure voice channel is available.

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