Squelch levels range from 0 to 9, with
lower levels being more prone to
interference and higher levels having
reduced sensitivity. Setting the level at 5 is
advised.
Turn off the analog sub-audio (press 0 in
the sub-audio frequency selection list for
a quick shutdown).
Use the up/down keys to select from the
standard sequence of analog sub-audio
tones; alternatively, you can enter
non-standard sub-audio tones using the
keyboard.
Deactivate analog sub-tone (press 0 in the
sub-tone selection list for rapid
deactivation).
Navigate through the standard sequence
of analog sub-tones using the up/down
keys; non-standard sub-tones can also be
input directly via the keyboard.
Turn off digital sub-tone (press 0 in the
sub-tone selection list for a quick
shutdown).
Select the standard sequence of digital
sub-tones using the up/down keys.
Disable digital sub-tone (press 0 in the
sub-tone selection list to quickly turn it
off).
Use the up/down keys to select from the
standard sequence of digital sub-tones.