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Oricom DTX4300 Operating Instructions Manual page 20

80 channel uhf citizen band radio

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Operations
CTCSS and DCS setting
This feature allows you to receive signals only from callers who have
selected the same CTCSS and DCS code.
DCS is similar to CTCSS. It provides 104 extra, digitally coded, squelch
codes that follow after the 38 CTCSS codes. CTCSS 1 - 38, followed by
DCS 1 - 104.
Please refer to the table of CTCSS and DCS.
CTCSS and DCS is not available on CH05 and CH35. For your reference
a list of the available channels, corresponding frequencies and
guidelines for their use and selection is CTCSS and DCS channel list.
For Australia, channel 05 and 35 are reserved for Emergency calls.
96 multi-colour Backlight
You can select from 96 different multi-colour backlighting for the LCD
backlight.
LCD backlight brightness
You can reduce the brightness of the LCD backlight to be more
comfortable while driving at night.
Priority Channel setting
The channel you selected as your Priority Channel will the be automati-
cally monitored during the Priority Scan.
Note: You can only store one channel as your priority channel.
Key Beep
The Beep tone emits a tone when you press any of the buttons on the
microphone (except PTT button).
Busy channel Lock
If the channel is already in use, you can prevent the UHF CB radio from
transmitting. This is particularly important when using CTCSS/DCS.
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