Справочник Пользователя для DTC Communications Inc. T2500
DTC COMMUNICATIONS, INC.
OVERVIEW
This manual describes the operation of the Digital Derringer™ T-2500-M. This
transmitter operates in the following modes:
• Analog Narrow Clear
• Analog Narrow Scrambled
• Analog Wide Clear
• Analog Wide Scrambled
• Digital Clear
• Digital Encrypted
The T-2500-M is a synthesized VHF, digital and analog audio transmitter with
• Analog Narrow Clear
• Analog Narrow Scrambled
• Analog Wide Clear
• Analog Wide Scrambled
• Digital Clear
• Digital Encrypted
The T-2500-M is a synthesized VHF, digital and analog audio transmitter with
a power output of up to 500 mW. The T-2500-M has built-in recording and
memory for up to eight hours of record time.
The T-2500-M has 10 programmable channels. It is designed for personal
The T-2500-M has 10 programmable channels. It is designed for personal
protection and evidence gathering missions. Its miniature size and rugged
design ensures safe concealment and long lasting performance. Battery life is
from 2.5 to 10 hours operation depending on the external battery pack used.
The transmitter is programmable for digital P25 clear, digital P25 encrypted,
analog narrowband, or analog wideband operation. Scrambling is available for
analog modes. DES/AES encryption is available for digital modes.
The T-2500-M transmitter has its own internal Tibbets microphone or use the
The T-2500-M transmitter has its own internal Tibbets microphone or use the
external Tibbets mic.
Concerned with the rapid evolution of digital communication technologies and
Concerned with the rapid evolution of digital communication technologies and
a need for interoperability, the Association of Public Communications safety
Officials (APCO) developed an open architecture, digital standard for public
safety and government communications systems. Products compliant with
APCO Project 25 standard are interoperable, regardless of the manufacturer.
The National Telecommunications and Information Administration (NTIA) has
adopted the APCO Project 25 interoperability standard, also known as TIA/EIA-
102. The T-2500-M is compliant with this standard.
102. The T-2500-M is compliant with this standard.
Front View
Channel
Select
Switch
(use
screwdriver)
Select
Switch
(use
screwdriver)
Back View
Status
LED
LED
ON/OFF
Push-button
(use
paperclip)
Push-button
(use
paperclip)
Alignment Mark for Large Pin of
5-pin Locking Connector
5-pin Locking Connector