PRO-50 (200-0307) Operation Faxback Doc. # 6903 SETTING VOLUME AND SQUELCH 1. Turn VOLUME clockwise and SQUELCH counterclockwise until you hear a hissing sound. 2. Adjust VOLUME to a comfortable level. 3. Slowly turn SQUELCH clockwise until the noise stops. If the scanner picks up unwanted weak transmissions, rotate SQUELCH clockwise to decrease the scanner's sensitivity to these signals. USING THE KEYLOCK Once you program your scanner, you can protect it from accidental program changes by turning on the keylock feature. In this mode, the only controls that operate are SCAN, MANUAL, LIGHT, VOLUME and SQUELCH. To turn on the keylock, press KEYLOCK until K flashes on the display. To turn it off, press KEYLOCK so that K disappears from the display. PROGRAMMING THE SCANNER You can store up to 20 frequencies into your scanner's channels. Follow these steps to store frequencies. 1. Press MANUAL. Enter the channel number you want to program. 2. Press PGM. PGM appears on the display to indicate that the scanner is in the programming mode. 3. Enter a frequency. 4. Press L-OUT/ENT to store the frequency. If you make a mistake in Step 3, error appears on the display. Press CLEAR and repeat from Step 2. 5. If you want the scanner to pause for 2 seconds after each transmission before it proceeds to the next channel, press ./DLY until D appears the display. 6. Repeat Steps 1-5 to program more channels. Or, if you want to program the next channel in sequence, repeat Steps 2-5. SEARCHING FOR AND TEMPORARILY STORING ACTIVE FREQUENCIES Good references for active frequencies are Radio Shack's "Police Call Guide Including Fire and Emergency Service's," "Official Aeronautical Frequency Directory." We update these directories every year, so be sure to get a current copy. If you do not have a reference to frequencies in your area, search to find a transmission. 1. Press MANUAL or PGM. Enter the frequency from which you want to start your search. Or, press MANUAL, a channel number, and MANUAL or PGM to select the channel from which you want to start your search. 2. Press /\ or \/ to search up or down from the displayed frequency. 3. When the scanner stops on a transmission, press 0/MON to store the frequency in the monitor memory, or press /\ or \/ to continue the search. Note: Press ./DLY to make the scanner pause 2 seconds after a transmission before it proceeds to the next frequency. LISTENING TO THE MONITOR MEMORY You can listen to the monitor memory by pressing MANUAL and then 0/MON. MOVING A FREQUENCY FROM THE MONITOR MEMORY TO A CHANNEL 1. Press MANUAL. Enter the channel number into which you want to store the monitor frequency. 2. Press PGM. 3. Press 0/MON. The channel indicator flashes. 4. Press L-OUT/ENT. The scanner stores the monitor frequency in the channel, and the channel indicator stops flashing. SCANNING THE CHANNELS To begin scanning the channels in your scanner, press SCAN. The scanner scans through all non-locked channels. Set SQUELCH so your do not hear the hissing sound between transmissions. (smm/all-7/14/94)