User's Manual

DMR repeater 24/01/2011 Versione 1.1
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From superaudio
A super-audio tone, superimposed to the analog signal, is the reference for the DSP
to lock its internal clock. That tone, whose frequency can be
freely set between 3100
and 3400 Hz (typ = 3400Hz), is sent 10dB lower than the nominal audio level.
Equipment synchronization time <60 ms
Long period relative stability 0 ppm
Short period relative stability <0,01 ppm
From 4 FSK timeslot Synchronism based on the 4FSK timeslot
To enable these functions click on Set ; All the parameters will assume their original values if you restart the
device, unless you perform a Save in eep operation (see the DMR LAYER CONFIGURATION paragraph).
6.2.2.9 SUBTONE / SUPERTONE
Clicking on RA-DMR 

 RadioConfiguration 

 Subaudio/superaudio the subaudio/superaudio
form will appear:
This form allows the user to control and modify the subaudio and superaudio parameters.
You can set the frequency of the TCS tone (both TX and RX) or choose a DPL code (in the octal range 001-777),
which is expressed in octal notation.