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Adjust the Squelch
Base Unit
Optional Handset
Enter Data and Correct Errors
721US Base Unit and
Microphone
Optional Handset
6
1
Turn the SQL knob fully counterclockwise so
that random noise is heard.
2
Turn SQL slowly clockwise until the random
noise disappears.
3
Make another 1/4 turn clockwise for best
reception in normal open sea conditions.
In areas of high noise (eg close to large cities)
reception may improve if sensitivity is reduced.
Try turning SQL slowly clockwise or use the
LOCAL setting (see the Installation and Operation
Manual).
Adjust the squelch with the
the handset.
Hold down
or
to rapidly increase or
decrease the squelch or press quickly to step
through the 8 different squelch levels. The
squelch setting on the base unit will temporarily
change to match.
When you put the handset back ON hook, the
base unit squelch setting takes precedence
again.
Only 4 menu items can be displayed on the base unit LCD at any one
time. Press CH
or CH
Press
to return to the previous menu screen without saving
ESC
changes OR press the rotary knob to confirm changes.
To enter data, press CH
numbers. Hold down CH
You can also use the rotary knob to step through the alphabet and
numbers, then press the knob to confirm each selection.
To correct errors, press CH
the LCD. Press the rotary knob to backup one space at a time.
Only 4 menu items can be displayed on the handset LCD at any one
time. Press
or
to scroll through a menu listing.
Press
to return to the previous menu screen without saving
ESC
changes OR press
ENT
Press
or
to step through the alphabet and numbers. Hold down
or
to scroll rapidly.
To correct errors, press
LCD. Press
to backup one space at a time.
ENT
Northstar Explorer 725/705 Quickstart Guide
and
keys on
to scroll through a menu listing.
or CH
to step through the alphabet and
or CH
to scroll rapidly.
then select the < backup character on
to confirm changes.
then select the < backup character on the
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