Kenwood TKR-750 Brochure & Specs
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Kenwood TKR-750 Brochure & Specs

Vhf/uhf fm repeater-base units
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See also: Service Manual, Instruction Manual
A versatile unit, the TKR-750/850 is a
16-user group conventional repeater, a
simplex or full duplex base station or the
RF core of a trunking system. Advanced
features include DSP audio processing,
DTMF over-the-air remote control and
programmable Auxiliary I/O's.
CONVENTIONAL REPEATER OPERATION
The TKR-750/850 are "community repeater-ready" with
a built-in internal 16 QT/DQT group controller and
programmable repeater functions such as CW
Transmitter ID, Hang-Timer, Time-Out-Timer and Repeat
Enable/Disable Key. The 15W-to-50W (TKR-850:
15W-to-40W) adjustable output power is ideal for
on-site low power repeater applications.
CONVENTIONAL OR TRUNKING SYSTEM USE
The TKR-750/850 can serve as the core element of any
conventional or trunking repeater system. The internal
conventional controller can be used, or an external
conventional or trunking logic controller can be easily
interfaced for advanced systems.
SIMPLEX OR DUPLEX BASE STATION
OPERATION
The TKR-750/850 can be operated in simplex or
full-duplex base station mode with up to 16 channels
and priority scan. Internal solid state antenna switching
is provided for simplex single-antenna base station
operation. The accessory connectors provide remote
control interface. Also programmable are the six PF
function keys, LED indicators, control/warning/alert/
power-on tones and tone volume for facilitating any
remote site installation.
DTMF OVER-THE-AIR REMOTE CONTROL
All front panel PF Key functions and AUX Input
functions can be remotely activated and deactivated
over-the-air via DTMF codes (up to 16 digits each) and
provide an acknowledgement single tone or custom
DTMF transpond code. Also AUX Inputs, upon activation
and deactivation will encode unique DTMF codes for
monitoring and alarm purposes.
LED DISPLAY & INDICATORS
The enhanced 7-segment/2-character front panel LED
provides 2-character alphanumeric channel designator
and scan indicator for base station operation, a PLL
unlock indicator and a PC program mode status. Front
panel dual-color LED's provide Transmit, Busy,
Primary/Backup DC Power indications.
BACKUP POWER FEATURES
The Backup Battery Warning Tone transmits an over-the-air
5-second tone after DC supply has switched from
"main'' to "backup'' power. Optionally a reminder
Operation Tone can be transmitted while on backup
power. These tones can be triggered when either DC
power is connected to the "backup'' DC input line or
when the supplied voltage is lower than the programmed
Power Supply Level DC voltage setting.
REPEATER FEATURES
•
Full-Duplex Operation
•
Built-in 16 QT/DQT Tone/Code Pair Community
Repeater Operation
•
External Controller Interface
•
Conventional or Trunking Controller Compatible
•
Repeat Enable/Disable
•
8 CW Transmitter IDs
•
Repeat Hold Timer (hang timer)
•
Time Out Timer
TKR-750/850
VHF/UHF FM Repeater-Base Units
BASE STATION FEATURES
•
16 Channel
•
Simplex or Full Duplex Operation
•
Antenna Switch For Simplex/Single Antenna Operation
•
Priority Scan
•
Remote Control Inputs
•
7-Segment 2-Character Channel & Scan LED
•
2 Character Alphanumeric Channel Designator
•
Power/Transmit/Busy LED Indicators
•
6 Lighted PF Keys
•
Local Takeover/Remote PF Key
•
Channel Up/Down PF Keys
•
Volume Control Knob
•
Courtesy Tone
•
Front Microphone Jack
•
Front Panel Speaker
•
Voice Encryption Port
GENERAL
•
19" Rack Mount Design
•
Primary DC Input Connector
•
Auto-Switched Back-up DC Input Connector
•
Backup Battery Warning/Operation Tones
•
Rear External Speaker Output (4 Watts Audio)
•
Rear Test-Speaker-AUX Connector (15-Pin)
•
Built-in Cooling Fan (temperature or continuous)
•
Programmable AUX Input/Output Functions
•
BCD Remote Channel Selection (4 lines)
•
Toggle or Momentary Operation on AUX Input Ports
•
Pre-Emphasis On/Off Control (at TA AUX Input)
•
DSP Processed QT/DQT
•
DSP Processed Companded Audio
•
QT/DQT Squelch-Tail Elimination
•
Beep Tones for Control, Warning, Alert & Power On
•
Electronic Serial Number (ESN)
•
Embedded Message with Password Protection
•
High Stability Oscillators (TCXO)
•
Windows
®
98/2000/Me/XP PC programming & tuning
•
Flash Memory
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Summary of Contents for Kenwood TKR-750

  • Page 1 15W-to-40W) adjustable output power is ideal for on-site low power repeater applications. CONVENTIONAL OR TRUNKING SYSTEM USE The TKR-750/850 can serve as the core element of any conventional or trunking repeater system. The internal conventional controller can be used, or an external conventional or trunking logic controller can be easily interfaced for advanced systems.

  • Page 2: Specifications

    KMC-9C Microphone Desktop Microphone Kenwood USA Corporation is committed to a policy of constant improvement in features, quality and performance. To accommodate these improvements, all technical information and specifications are subject to change without notice. Custom options and configura- tions are available, if needed. For more information, call 1-800-TRUNKING.

This manual is also suitable for:

Tkr-850