TKR-750_TKR-850_broch.pdf

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1、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 o

2、utput 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 control

3、ler 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

4、 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

5、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 purpo

6、ses. 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 LEDs provide Transmit,Busy, Primary/Backup

7、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 pow

8、er 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

9、Controller Compatible Repeat Enable/Disable 8 CW Transmitter IDs Repeat Hold Timer (hang timer) Time Out Timer 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 & Sca

10、n 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

11、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 lin

12、es) 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 Protecti

13、on High Stability Oscillators (TCXO) Windows98/2000/Me/XP PC programming & tuning Flash Memory TKR-750/850 VHF/UHF FM Repeater-Base Units A versatile unit, the TKR-750/850 is a 16-user group conventional repeater, a simplexor full duplex base station or the RF core of a trunking system. Advanced fea

14、tures include DSP audio processing, DTMF over-the-air remote control and programmable Auxiliary I/Os. * Not all accessories may be available, please contact dealers for details. ADS#44807 Printed in USA KMC-27A Microphone (with Noise Canceling) KMC-27B Microphone KMC-9C Desktop Microphone KES-5 Exte

15、rnal Speaker Specifications Options JQA-QMA1205 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.