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Basic Operation
Preprogrammed System Tips
All systems preprogrammed into the scanner are
assigned to quick key 9. To turn the preprogrammed
systems on or off, simply press 9 while scanning.
You can scan preprogrammed systems more efficiently
by preventing the BC246T from scanning systems that
are not in your area. There are three ways to do this:
• Lock out the faraway systems (see “Locking/Unlock-
ing Systems” on Page 42).
• Reassign your local systems to another quick key
(see “Editing the System Quick Key” on Page 62).
• Delete the faraway systems (see “Deleting Systems”
on Page 69).
Important: You cannot restore preprogrammed
systems if you delete them.
Selecting Systems to Scan
To select systems to scan, press Scan then press the
number button corresponding to the quick key assigned
to the system or systems. To stop scanning the
system(s), press the number button again.
The SYS indicators on the display show the systems that
are currently selected.
To select or lock out a system that is not assigned to a
key, press and hold while you rotate the scroll
control until the desired system is selected. Then,
continue to hold and press L/O to either lock out or
unlock the system.
Selecting System Channel Groups
Within a system, you can assign groups of channels to a
group quick key (see “Setting the Group Quick Key” on
Page 70).
Follow these steps to activate or deactivate a channel
group within a system while scanning.
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