20-414.fm Page 18 Wednesday, August 4, 1999 11:12 AM

OPERATION

TURNING ON THE SCANNER/SETTING THE VOLUME AND SQUELCH

1. Turn SQUELCH fully clockwise.

2.Press POWER to turn on your scanner. The scanner continu- ously scans the unlocked chan- nels.

Note: The first time you turn on the scanner, the channels might not have any frequencies stored in them, but the scanner will continuously scan the empty channels anyway.

3.Press MANUAL to stop the scan- ning. The display shows the cur- rent channel.

4.Turn VOLUME clockwise to set the scanner’s volume about 1/4 of the way between MIN and

MAX.

5.Turn SQUELCH counterclock- wise until you hear a hissing noise.

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Radio Shack PRO-2040 owner manual Operation, Turning on the SCANNER/SETTING the Volume and Squelch