Motorola JT 1000 Podręcznik użytkownika - Strona 11

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Basic Radio Operation (cont.)

Transmitting

Turn the radio on and set the channel selector

to the desired channel position.

Listen for a transmission and adjust the

volume control to a comfortable listening level.

If no transmission is heard, press side button

3 to unsquelch the radio, and adjust the

background noise to a comfortable listening

level.

Do not interrupt another user. If the channel

on which you are transmitting is programmed

for coded squelch operation, ensure that the

c h a n n e l i s n o t i n u s e b y m o m e n t a r i l y

depressing the monitor button to listen for

activity, or check for the LED to be flashing

red.

To transmit, hold the radio in a ver tical

position with the microphone two to three

inches away from the lips. When the channel

is clear, press and hold the PTT on the side of

the radio and speak slowly and clearly into the

microphone area. The LED will be red while in

the transmit mode. When your transmission is

completed, release the PTT to listen.

Note: Avoid blocking the noise-cancelling port

while transmitting to take full advantage of the

noise-cancelling feature.

Low-Battery Alert

While in transmit mode, the LED will blink red

if the battery falls below a low voltage level (Radio

Service Software programmable, blinking LED is

factory default). The radio can be programmed via

Radio Service Software to emit a double-chirp tone

to indicate a low-battery condition. If a low-battery

condition exists, the tone will be emitted when the

PTT is released in transmit mode, and when the

low-battery condition is detected in receive mode.

Also, in the transmit and receive modes, when

a low-voltage level is detected, the LCD battery-

status annunciator will blink.

Note: If the JT 1000 radio is using an NTN7319

Alkaline battery pack, the low-battery alert point is

automatically reconfigured.

Channel Selector

LED, red

Control Top

Low-Battery

Annunciator Display