Vertex Standard VX-450 series, Руководство по обслуживанию

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35 VX-450 Series UHF Band Service Manual
Alignment
4. S
QUELCH
(
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 15” 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 Sig-
nal 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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