3. After a second, release 2 and ENTER.
USING THE KEYLOCK
Once you program your scanner, you can protect it from acciden- tal program changes by turning on the keylock feature. When the keypad is locked, the only controls that operate are LIGHT, VOL- UME OFF/MAX, and SQUELCH MIN/MAX. (However, the scanner continues to scan channels).
To turn on the keylock, press and hold down 
for about 3 sec-
onds until the scanner beeps three times and 
appears on the
display. To turn it off, press and hold down 
for about 3 sec-
onds until the scanner beeps three times and 
disappears from the display.
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