13.Press 
/KEYLOCK to turn ON or OFF the automatic
Press and hold 
/KEYLOCK until 
appears on the display. This disables the keypad and VFO
control and prevents any accidental key entries. To
enable the keypad, press and hold 
/KEYLOCK
until 
disappears from the display.
14.While Scanning, press 
/TURBO to activate the PRIORITY SCAN function. (PRIORITY appears on the
display.) While Searching, press 
/TURBO to toggle between 100 steps and 300 steps per second. (When in TURBO SEARCH is activated. SEARCH flashes on the display.)
15.Press 
to turn the Subaudible tone Mode on/off.
Press and hold 
to turn the Subaudible tone search on/off.
16.Press 
to turn the LCD Back light on and off.
Press and hold 
for 2 seconds to make the scanner turn the LCD Back Light on when a transmission is found (Auto Light function).
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