Radio Shack PRO-2052 ユーザーズマニュアル
69
Search Speed:
Normal ............................................................................. 100 Steps/Sec (Max)
Hyper .......................................... 300 Steps/Sec (Max) (only 5 kHz step band)
Hyper .......................................... 300 Steps/Sec (Max) (only 5 kHz step band)
Scan Speed ................................................................ 50 Channels/Sec. (Nominal)
Priority Sampling ..................................................................................... 2 Seconds
Delay Time ............................................................................................. 2 Seconds
IF Frequencies:
1st IF ......................................... 29–310.9875 MHz: 380.6050–380.7000 MHz
311–512 MHz: 254.3125–254.4000 MHz
806–956 MHz: 380.7000–380.7875 MHz
1240–1300 MHz: 380.7000-380.7875 MHz
2nd IF ............................................................... 179.75–215.75 MHz: 10.7 MHz
Other Bands 10.85 MHz
3rd IF .................................................................................................... 450 kHz
Squelch Sensitivity:
Threshold ............................................................................... Less than 0.6
µ
V
Tight ............................................................. VHF Lo, Hi, UHF (S + N)/N 25 dB
Aircraft (S + N)/N 15 dB
Antenna Impedance ................................................................................... 50 ohms
Audio Power .................................................................................. 1.1 W Maximum
Built-In Speaker .......................................................... 2
1
/
4
Inches (57 mm), 8 ohms
Operating Temperature ....................................................................–10 C to + 50 C
Power Requirements:
AC Adapter ....................................................................................12 Volts DC
DC Adapter ................................................................................... 12 Volts DC
DC Adapter ................................................................................... 12 Volts DC
Current Drain:
At Squelched ..........................................................................................240 mA
At Full Output .........................................................................................440 mA
At Full Output .........................................................................................440 mA
Dimensions (HWD) ........................................................... 2
3
/
4
×
8
1
/
16
×
7
11
/
16
Inches
(70
×
205
×
195 mm)
Weight ........................................................................................................ 26.5 oz.
(750 g)
Specifications are typical; individual units might vary. Specifications are subject to
change and improvement without notice.
change and improvement without notice.
20-432.fm Page 69 Friday, July 14, 2000 11:30 AM