Service manual

14VX-4500/-4600 Series UHF FM Transceiver Service Manual
Alignment
4. Squelch (SQL)
This parameter is to align the SQL (Squelch) Sensitivity.
There are several alignments as follows in the Squelch Sensitivity.
Tight SQL Level (TI NSQ W/N)
The Alignment for the Noise SQL Tight level at Wide (5k/4k)
or Narrow (2.5k).
Threshold SQL Level (TH NSQ W/N)
The Alignment for the Noise SQL Threshold level at Wide (5k/
4k) or Narrow (2.5k).
Tight SQL RSSI Level (TI RSSI W/N)
The Alignment for the “level 14” of the RSSI SQL level at Wide
(5k/4k) or Narrow (2.5k).
TX Save RSSI Level (TX SAVE W/N)
The Alignment for the TX Save RSSI level at Wide (5k/4k) or
Narrow (2.5k).
The procedure for all the alignments is as follows.
1. Click the “Start” button to open the alignment window in
the SQL/RSSI Alignment menu.
2. The Alignment window will appear, Set the Signal Genera-
tor according to the indication, then click the “Start” but-
ton.
3. The automatic alignment will start to get the SQL or RSSI
level.
4. It will show the alignment result in the “New” box.
5. Click the “OK” button, then the data will be saved and the
alignment is finished.
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