Service manual
20VX-4500/-4600 Series UHF FM Transceiver Service Manual
Alignment
DTMF Deviation
This parameter is to align “DTMF Deviation”.
1. Press the “DTMF” button to start the alignment. The DTMF
Alignment window will appear.
2. Click the “PTT” button or press the “SPACE” bar the radio
starts to transmit on the Center frequency channel.
3. Set the value to get desired deviation (3.0 kHz) on the devi-
ation meter by dragging the slide bar, clicking the up-down
button, pressing the left or right arrow key, or entering the
value in the entry box.
4. After getting the desired deviation click the “PTT” button
or press the “SPACE” bar to stop transmitting..
5. Click the “OK” button to finish the DTMF Deviation align-
ment and save the data.
Sequential Tone Deviation
This parameter is to align “Sequential Tone Deviation”.
1. Press the “Seq Tone” button to start the alignment. The Se-
quential Tone Deviation Alignment window will appear.
2. Click the “PTT” button or press the “SPACE” bar the radio
starts to transmit on the Center frequency channel.
3. Set the value to get desired deviation (3.0 kHz) on the devi-
ation meter by dragging the slide bar, clicking the up-down
button, pressing the left or right arrow key, or entering the
value in the entry box.
4. After getting the desired deviation click the “PTT” button
or press the “SPACE” bar to stop transmitting.
5. Click the “OK” button to finish the Sequential Tone Devia-
tion alignment and save the data.
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