Frequency Conversion; Troubleshooting - Radio Shack PRO-2018 Owner's Manual

200 channel desktop scanner
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463.200–467.925 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BUS
FM-TV Audio Broadcast, UHF Wide Band (470–512 MHz)
(Channels 14 through 20 in 6 MHz steps)
475.750 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 14
481.750 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 15
487.750 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 16
493.750 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 17
499.750 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 18
505.750 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 19
511.750 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Channel 20
Note: Some cities use the 470–512 MHz band for land/mobile service.

FREQUENCY CONVERSION

The tuning location of a station can be expressed in frequency (kHz or MHz) or in wavelength
(meters). The following information can help you make the necessary conversions.
1 MHz (million) = 1,000 kHz (thousand)
• To convert MHz to kHz, multiply the number of megahertz by 1,000:
30.62 (MHz) × 1000 = 30,620 kHz
• To convert from kHz to MHz, divide the number of kilohertz by 1,000:
127,800 (kHz) ÷ 1000 = 127.8 MHz
• To convert MHz to meters, divide 300 by the number of megahertz:
300 ÷ 50 MHz = 6 meters

TROUBLESHOOTING

If your scanner is not working as it should, these suggestions might help you eliminate the problem.
If the scanner still does not operate properly, take it to your local RadioShack store for assistance.
___________________________________________________________________________________
PROBLEM
POSSIBLE CAUSE
_____________________________________________________________________________________
Scanner is
The AC or DC adapter
totally inoperative.
is not connected.
REMEDY
Be sure the adapter's barrel plug is properly
DC 12V
connected to the
Page 30
20-424 Owner's Manual
jack.

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