20-424 Owner’s Manual
Page 32
cause the scanner to work improperly.
Wipe the scanner with a damp cloth occasionally to keep it looking new. Do not use harsh chemicals,
cleaning solvents, or strong detergents to clean the scanner.
Modifying or tampering with the scanner’s internal components can cause a malfunction and might
invalidate its warranty and void your FCC authorization to operate it. If your scanner is not
performing as it should, take it to your local RadioShack store for assistance.
SPECIFICATIONS
Frequency Coverage (MHz):
10 Meter Amateur Radio ..................... 29–30 (in 5 kHz steps)
VHF Lo ................................................ 30–50 (in 5 kHz steps)
6 Meter Amateur Radio ....................... 50–54 (in 5 kHz steps)
Aircraft ............................... 108–136.9875 (in 12.5 kHz steps)
Government .................................... 137–144 (in 5 kHz steps)
2 Meter Amateur Radio ................... 144–148 (in 5 kHz steps)
VHF Hi ............................................ 148–174 (in 5 kHz steps)
Amateur Radio/Government ...... 380–450 (in 12.5 kHz steps)
UHF Standard ............................ 450–470 (in 12.5 kHz steps)
UHF “T” ...................................... 470–512 (in 12.5 kHz steps)
Channels of Operation ...... 200 channels
Sensitivity (20 dB S/N):
29–54 MHz .................................................................... 0.5
µ
V
108–136.9875 MHz ....................................................... 1.0
µ
V
137–174 MHz ................................................................ 0.5
µ
V
380–512 MHz ................................................................ 0.7
µ
V
Spurious Rejection (FM @154 MHz) ............................... 50 dB
Selectivity:
±10 kHz .......................................................................... –6 dB
±18 kHz ........................................................................ –50 dB
Search Speed ............................................. Up to 50 Steps/Sec
Scan Speed ......................................... Up to 25 Channels/Sec
Delay Time ............................................................... 2 Seconds
IF Frequencies:
1st IF .......................................................................... 10.7 MHz
