Vertex Standard VX-230 Series Service Manual page 13

Alignment
( SQL )
3. S
QUELCH
This parameter is to align the SQL (Squelch) Sensitivity.
There are several alignments as follows in the Squelch Sensitivity.
 Threshold SQL Level: The Alignment for the Noise SQL Threshold level at Wide (5k/4k) or Narow (2.5k).
 Tight SQL Level: The Alignment for the Noise SQL Tight level at Wide (5k/4k) or Narow (2.5k).
 Tight SQL RSSI Level: The Alignment for the "level 14" of the RSSI SQL level at Wide (5k/4k) or Narow (2.5k).
 TX Save RSSI Level: The Alignment for the TX Save RSSI level at Wide (5k/4k) or Narow (2.5k).
The procedure for all the alignment is as follows.
1. Click the "SQL/RSSI" button to open the SQL/RSSI Align-
ment window.
2. Click the "Start" button on the desired alignment item which
you wish to alignment. The another window will open.
3. Set the RF Signal Generator output according to the indica-
tion of the screen.
4. Click the "Start" button to start the automatic alignment to
get the optimum level. The alignment result will show in
the "New" box.
5. Click the "OK" button to finish the SQL Sensitivity align-
ment and save the data.
VX-230 Series UHF FM Transceiver Service Manual 13