Motorola Astro XTS 4000 Руководство пользователя - Страница 26
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General Radio Operation
Receive / Transmit
Radio users who switch from analog to digital radios often assume
that the lack of static on a digital channel is an indication that the radio
is not working properly. This is not the case. Digital technology quiets
the transmission by removing the "noise" from the signal and allowing
only the clear voice or data information to be heard.
This section emphasizes the importance of knowing how to monitor a
channel for traffic before keying up to send a transmission.
Without Using the Monitor Buttons
1
Turn the radio on and select the desired zone and channel.
2
Listen for a transmission.
3
Adjust the Volume Rocker if necessary.
4
Press and hold the PTT button to transmit. Tx icon appears on
the display.
5
Release the PTT button to receive (listen).
Use the Preprogrammed Monitor Button
1
Turn the radio on and select the desired zone and channel.
2
Press the Monitor button and listen for activity. The Carrier
Squelch indicator is displayed. (See the following Conventional
Mode Operation.)
3
Adjust the Volume Rocker if necessary.
4
Press and hold the PTT button to transmit. Tx icon appears on
the display.
5
Release the PTT button to receive (listen).
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