Alinco DJ-493 Service Manual page 34

Tone Burst Test
Aging
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This function is only for checking the tone burst, not adjusting it.
1. In the adjustment mode, select channel 16 by rotating the main tuning dial.
2. Press the ( P T T ) key. An 1750Hz tone burst is automatically sent.
3. Check the deviation with the transceiver tester.
Perform this aging test only when necessary.
1. In the adjustment mode, select channel 17 by rotating the main tuning dial.
The transceiver automatically repeaters transmission for a minute and re­
ception for another minute.