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When radio is in key lock, only the volume function can be adjusted. e radio mode will display
“LC” if any button is pressed.
Volume
Press the or keys to increase or decrease the volume. e radio will beep with each key press
and the display will ash to indicate the volume setting. e volume level can be set from 00 (min) to
09 (max). e display will stop ashing and return to the selected channel display a few seconds aer
the last volume adjustment.
Selecting Channels
Press the or keys to step up or down through the channels.
Transmitting
To transmit, press the PTT button. Hold the microphone about 5-8 cm from your face and speak at
a normal voice level. e microphone is quite sensitive so it is not necessary to raise your voice or
shout. Release the PTT when you have nished talking.
Important: Always listen to ensure the channel is free before transmitting.
CTCSS (Continuous Tone Coded Squelch System) and DCS (Digitally Coded Squelch)
CTCSS (Continuous Tone Coded Squelch System) and DCS (Digitally Coded Squelch) are squelch
quieting systems that allow several groups of users to share the same channel without disturbing
each other. e system applies a continuous low-level tone to your transmission and uses a matching
tone decoder to control your receiver’s Squelch. With CTCSS or DCS enabled, the channel remains
quiet to all incoming signals unless they carry the correct tone. When a transmission with the correct
tone is received, the squelch opens and remains open for as long as the signal is present. When the
transmission ends the channel becomes quiet again. Transmissions that do not use the correct tone
will not to be heard. ere are two tone sets installed in your ML802 comprising 50 CTCSS and 104
DCS user-selectable tones.
e ML802 allows CTCSS or DCS to be enabled or disabled on individual channels.
Note: e CTCSS/DCS tone you select will be used for all CTCSS/DCS enabled channels in
your radio.
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