User`s guide

ASTRO XTL 5000 Digital Mobile Radio with O5 Control Head 91
Glossary
Hang Up Disconnect.
Home Display The first display information after the radio
completes its self test.
LCD Liquid-Crystal Display.
Mode A programmed combination of operating
parameters; for example, a channel or
talkgroup.
Mode-Slaving Radio programmed to automatically give the
proper operation for a given mode you have
selected.
Monitoring
(Conventional
Operation)
Press a programmed monitor button to listen to
another user active on the channel. This way,
you may be prevented from talking over
someone else’s conversation.
Page A one-way alert, with audio and/or display
messages.
Push-To-Talk
(PTT) button
The PTT button engages the transmitter and
puts the radio in transmit (send) operation
when pressed. Press this button to transmit;
release it to receive.
Repeater A conventional radio feature, in which you talk
through a receive/transmit facility (repeater)
that re-transmits received signals in order to
improve communications range and coverage.
RF Radio Frequency. A part of the general
frequency spectrum between the audio and
infrared light regions (about 10 kHz to
10,000,000 MHz).
RSSI Received Signal Strength Indicator.