VX-261 VHF FM Transceiver Service Manual
11
3. Squelch (SQL)
This parameter 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 “SQL” button to open the “SQL Alignment” menu.
2. Click the “Start” button on the desired alignment item to open
other window.
3. Set the RF Signal Generator according to the indication of the
window, then click the “OK” button.
4. The automatic alignment will start to get the optimum level.
5. The alignment result will appear in the “New” box.
On the following alignment items, click the “OK” button and
then repeat step 2-5 several times according to the indication
of the window.
Threshold SQL Level (Wide/Narrow)
Normal RSSI Level (Wide/Narrow)
Tight RSSI Level (Wide/Narrow)
Other alignment items has not extra step; only one step proce-
dure.
6. Click the “OK” button, then the data will be saved and the
alignment is finished.
Alignment
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