RadioShack PRO-2050 - 300 channel Bedienungsanleitung
RadioShack
Scanner
PRO-2050 - 300 channel
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Owner’s Manual Cat. No. 20-430
PRO-2050
VHF/UHF/Air/800MHz
300-Channel TrunkTracker Home Scanner
Please read before using this equipment.
20-430.fm Page 1 Wednesday, August 4, 1999 1:29 PM
2
FEATURES
Your new RadioShack PRO-2050
VHF/UHF/Air/800MHz 300-Channel
TrunkTracker Home Scanner is one of
a new generation of scanners de-
signed to track Motorola Type I,
Type II (such as Smartnet and Priva-
cy Plus), and hybrid analog trunking
systems, which are extensively used
in many 800 MHz communication sys-
tems.
Trunking communications systems let
a large group of 2-way radio users (or
even different groups of 2-way radio
users) efficiently use a group of fre-
quencies. Instead of selecting a spe-
cific frequency for a transmission, the
2-way radio user simply selects a talk
group. The trunking system automati-
cally transmits the call on the first
available frequency, and also sends a
code that uniquely identifies that 2-
way radio user’s transmission on a dif-
ferent frequency called a data chan-
nel.
Since the trunking system might send
individual 2-way radio user’s calls and
response transmissions on different
frequencies, it is difficult to listen to
trunked communications using a regu-
lar scanner. The PRO-2050 monitors
the data channel frequency sent with
a 2-way radio user’s transmission and
instantly switches to an active fre-
quency, so you can hear the call and
response for that 2-way radio user
and easily “follow” the conversation.
The scanner also lets you scan con-
ventional transmissions, and is pre-
programmed with service-search
banks for convenience. By pressing a
single button, you can quickly search
those frequencies most commonly
used by public service and other
agencies without tedious and compli-
cated programming.
This scanner gives you direct access
to over 30,000 exciting frequencies,
including those used by police and fire
departments, ambulance services,
and amateur radio services, and you
can change your selection at any time.
Your scanner also has these special
features:
Ten Channel-Stora
g
e Banks — let
you store 30 channels in each bank to
group channels so you can more easi-
ly identify calls.
Five Scan Lists — let you store up to
50 IDs in each tracking bank (up to a
total of 500).
Triple-Conversion Circuitr
y
— virtu-
ally eliminates any interference from
IF (intermediate frequency) images,
so you hear only the selected frequen-
cy.
© 1997 Tandy Corporation.
All Rights Reserved.
RadioShack is a registered trademark used by Tandy Corporation.
HyperSearch and HyperScan are trademarks used by Tandy Corporation.
Motorola, Smartnet, and Privacy Plus are trademarks of Motorola, Inc.
20-430.fm Page 2 Wednesday, August 4, 1999 1:29 PM
3
Scan Delay — delays scanning for
about 2 seconds before moving to an-
other channel in conventional mode,
so you can hear more replies that are
made on the same channel. In trunk
tracking mode, it delays for about 5
seconds before moving to another ID.
Lock-Out Function — lets you set
your scanner to skip over specified
channels or frequencies when scan-
ning or searching, and skip over IDs
when tracking trunked systems.
Priority Channels — lets you pro-
gram one channel in each bank (10 in
all). As the scanner scans a bank, it
checks the bank’s priority channel ev-
ery 2 seconds so you don't miss trans-
missions on that channel.
Five Service-Search Banks — lets
you search preset frequencies in sep-
arate public service, police, fire/emer-
gency, aircraft, and weather banks, to
make it easy to locate specific types of
calls.
HyperSearch and HyperScan —
let you set the scanner to search at up
to 300 steps per second (in frequency
bands with 5 kHz steps) and scan at
up to 50 channels per second, to help
you quickly find interesting broad-
casts. (The normal search speed is
100 steps per second).
Data Signal Skip — lets you set the
scanner to skip non-modulated or data
signals during scanning and searches.
This lets the scanner avoid non-voice
signals, making a scan or search fast-
er.
Manual Access — lets you directly
access any stored channel.
Liquid-Crystal Display — makes it
easy to view and change program-
ming information.
Display Backlight — makes the
scanner easy to read in low-light situa-
tions.
Supplied Telescoping Antenna —
provides good reception of strong lo-
cal signals.
External Antenna Terminal — lets
you connect an external antenna with
a BNC connector to the scanner for
improved reception of distant/weaker
signals.
Memory Backup — keeps the chan-
nel frequencies stored in memory for
an extended time.
Key Confirmation Tones — the
scanner sounds a tone when you per-
form an operation correctly, and an er-
ror tone if you make an error.
Duplicate Channel Alert — warns
you when the frequency you are stor-
ing already exists in memory.
20-430.fm Page 3 Wednesday, August 4, 1999 1:29 PM
Produktspezifikationen
| Marke: | RadioShack |
| Kategorie: | Scanner |
| Modell: | PRO-2050 - 300 channel |
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