13VX-4500/-4600 Series VHF 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 win-
dow in the SQL/RSSI Alignment menu.
2. The Alignment window will appear, Set the Signal
Generator according to the indication, then click the
“Start” button.
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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