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1400 Series Professional
UHF Wireless Systems

ATW-1451 

UniPak

Transmitter System

ATW-1452

Handheld Dynamic Microphone System

Installation and Operation

Summary of Contents for ATW-1451

Page 1: ...1400 Series Professional UHF Wireless Systems ATW 1451 UniPak Transmitter System ATW 1452 Handheld Dynamic Microphone System Installation and Operation ...

Page 2: ...ty reception Two antennas feed two completely independent RF sections on the same frequency automatic logic circuitry continuously compares and selects the superior received signal providing better sound quality and reducing the possibility of interference and dropouts The receiver is half width for a standard 19 1U rack mount Two receivers on different frequencies can be mounted side by side usin...

Page 3: ...r with screws supplied Rear Panel Controls and Functions Fig C 9 SQUELCH CONTROL Adjusts level of noise muting circuit preset at factory but can be adjusted as circumstances warrant 10 BALANCED AUDIO OUTPUT JACK XLRM type connector A standard 2 conductor shielded cable can be used to connect the receiver output to a balanced aux level input on a mixer 11 GROUND LIFT SWITCH Disconnects the ground p...

Page 4: ...witch All transmitters feature battery save switches Fig D F As supplied the switch is set in the H high position for maxi mum range Switching to the L low position increases battery life by reducing power Note Effective range decreases when the switch is set at the L position UniPak Transmitter Input Connection Connect an audio input device microphone or guitar cable to the audio input connector ...

Page 5: ...einstall the battery cover No further transmitter gain adjustments should be needed as long as the input device and the acoustic input level are not changed Adjusting Input Level Handheld Transmitter Unscrew the lower body cover and slide it downward exposing the screwdriver and gain trimmer Fig G Remove the screw driver and gently turn the gain trimmer control to its full counter clockwise positi...

Page 6: ...pace ATW D70 UHF 728 750 MHz unity gain antenna distribution system provides two 1 in 4 out RF channels connects a pair of antennas to as many as four diversity receivers Includes four DC interconnect cables to power up to four ATW R14 receivers eight RF output cables and two rack mount adapters Mounts in a single 1U 19 rack space 6 Specifications OVERALL SYSTEM Operating Frequency UHF band 732 MH...

Page 7: ...etermine the overall system functionality Frequency Selection Each transmitter receiver system operates on a single factory aligned crystal controlled frequency Available frequencies are shown in the chart below Because the 732 746 MHz frequencies are shared with TV broadcasting frequency selection is partially dependent upon which TV broadcast channels are in operation where the wire less system ...

Page 8: ...ommerce Drive Stow Ohio 44224 Except to the extent precluded by applicable state law A T U S will have no liability for any consequential incidental or special damages any warranty of merchantability or fitness for particular purpose expires when this warranty expires This warranty gives you specific legal rights and you may have other rights which vary from state to state Outside the U S A please...

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