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		 TKR-750/850   
					VHF/UHF FM Repeater-Base Units   
					DTMF OVER-THE-AIR REMOTE CONTROL   
					BASE STATION FEATURES   
					• 16 Channel   
					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   
					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   
					• Simplex or Full Duplex Operation   
					• Antenna Switch For Simplex/Single Antenna Operation   
					• Priority Scan   
					• Remote Control Inputs   
					features include DSP audio processing, DTMF transpond code. Also AUX Inputs, upon activation   
					• 7-Segment 2-Character Channel & Scan LED   
					• 2 Character Alphanumeric Channel Designator   
					• Power/Transmit/Busy LED Indicators   
					• 6 Lighted PF Keys   
					and deactivation will encode unique DTMF codes for   
					DTMF over-the-air remote control and   
					programmable Auxiliary I/O’s.   
					monitoring and alarm purposes.   
					LED DISPLAY & INDICATORS   
					• Local Takeover/Remote PF Key   
					• Channel Up/Down PF Keys   
					• Volume Control Knob   
					The enhanced 7-segment/2-character front panel LED   
					CONVENTIONAL REPEATER OPERATION   
					provides 2-character alphanumeric channel designator   
					The TKR-750/850 are “community repeater-ready” with   
					and scan indicator for base station operation, a PLL   
					a built-in internal 16 QT/DQT group controller and   
					• Courtesy Tone   
					unlock indicator and a PC program mode status. Front   
					programmable repeater functions such as CW   
					• Front Microphone Jack   
					panel dual-color LED’s provide Transmit, Busy,   
					Transmitter ID, Hang-Timer, Time-Out-Timer and Repeat   
					• Front Panel Speaker   
					Primary/Backup DC Power indications.   
					Enable/Disable Key. The 15W-to-50W (TKR-850:   
					• Voice Encryption Port   
					15W-to-40W) adjustable output power is ideal for   
					on-site low power repeater applications.   
					BACKUP POWER FEATURES   
					GENERAL   
					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   
					• 19" Rack Mount Design   
					• Primary DC Input Connector   
					• Auto-Switched Back-up DC Input Connector   
					• Backup Battery Warning/Operation Tones   
					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.   
					power. These tones can be triggered when either DC • 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   
					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.   
					SIMPLEX OR DUPLEX BASE STATION   
					OPERATION   
					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   
					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.   
					• 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   
					Download from Www.Somanuals.com. All Manuals Search And Download.   
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