
q
Background noise is continuously, or intermittently heard when no signals are
being received. If this is the case, the setting is too low.
q
Weak signals (signals below the squelch threshold) are not being received. If
this is the case, the setting is too high.
To Switch On the Squelch
To switch on the squelch facility:
(1)
Press the SQL button.
(2)
Check that the display shows an ‘S’ and the current level (a number between
1 and 20).
(3)
Check that after a few seconds the display changes to show the currently
selected channel frequency. The squelch facility is now on.
To Switch Off the Squelch
To switch off the squelch facility:
(1)
Press the SQL button.
(2)
Check that the display shows an ‘S’ and the current level (a number between
1 and 20).
(3)
Press the SQL button while the display is showing ‘S’ and the current level.
(4)
Check that the display shows ‘S OFF’.
(5)
Check that after a few seconds the display changes to show the currently
selected channel frequency. The squelch facility is now off.
To Adjust the Squelch Level
To adjust the squelch facility:
(1)
Press the SQL button.
(2)
Check that the display shows an ‘S’ and the current level (a number between
1 and 20).
(3)
Press the VOL
s
button to increase the squelch threshold, or the VOL
t
button to decrease it. The squelch should be set to the lowest threshold
setting (a number between 1 and 20) that eliminates background noise when
no signal is being received.
(4)
After the required setting is selected, press no more buttons and check that
after a few seconds the display changes to show the currently selected
channel frequency. The squelch facility is now set.
T6M User Guide
Page 30