Radio Shack PRO-90 Using The Keylock, Using The Display Backlight, Changing Search Speeds

20-520.fm Page 30 Wednesday, August 4, 1999 3:06 PM

USING THE KEYLOCK

Once you program your scanner, you can protect it from accidental program changes by turning on the keylock feature. When locked, the only controls that operate are

SCAN, MANUAL, LOCK/ , VOLUME/OFF, and SQUELCH.

Note: The keylock does not prevent the scanner from scanning channels.

To turn on the keylock, hold down LOCK/ until

appears. To turn it off, hold down LOCK/ until disappears.

USING THE DISPLAY BACKLIGHT

You can turn on the display backlight for easy viewing at

night. Press LOCK/ to turn on the display backlight for 15 seconds. To turn off the backlight before 15 sec- onds elapse, press the button again.

CHANGING SEARCH SPEEDS

The PRO-90 has two search speeds for a limit search.

Normal Search

HyperSearch

100 steps/second

300 steps/second

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