Page 2 - Table of Contents
Page PART I: GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 0 FCC Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 1 Safety and Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
Page 3 - Safety and Environment
1.1 Safety 1.2 Environment 2.1 Introduction 1. Spill no liquids on the equipment and do not drop any objects through the ventilation slots in the equipment. 2. Do not place the equipment near heat sources such as radiators, heating ducts, or amplifiers, etc. and do not expose it to direct sun-light,...
Page 5 - PART II: PR 81 RECEIVER; II; Description
2.3.3 PT 81 2.4 Frequencies 2.5 Ordering Transmitters and Receivers 1.1 General 1.2 Controls 1.2.1 Top Panel Refer to section 1.3 Audio Output. CB 40 bagColor Coding Kit The PR 81 portable receiver, HT 81 handheld transmitter, and PT 81 bodypacktransmitter have been factory programmed for up to 15 s...
Page 6 - Setting Up
1.2.2 Front Panel 1.2.3 Rear Panel 1.3 Audio Output Important: 2.1 Selecting theReceiving Frequency 1g Antennas: Being a diversity receiver, the PR 81 uses two antennas in order to receive the transmitter signal at two different points in space. The diversitycircuit will automatically activate the a...
Page 10 - PART III: HT 81 HANDHELD TRANSMITTER; III
1.1 Controls Important: 1.2 InterchangeableMicrophone Elements (not supplied) The HT 81 handheld transmitter and matching microphone elements (optional)provide the same acoustic performance as the equivalent hardwire microphoneversions. The microphone elements available for the HT 81 have been speci...
Page 12 - PART IV: PT 81 BODYPACK TRANSMITTER; IV
1.1 Controls Important: 1.2 Microphones(optional) 2.1 Selecting theCarrier Frequency You can use the PT 81 bodypack transmitter with both dynamic microphones andcondenser microphones operating on a supply voltage of approx. 7 V.The PT 81 operates in a subband up to 3 MHz wide of the 710 MHz to 869 M...
Page 13 - Adjusting the Transmitter and Receiver
Important: Important: 2.2 Inserting andTesting Batteries Important: 2.3 Connecting and Using Microphones 2.4 Color Code 1.1 Adjustments Be sure to switch power to the transmitter OFF every time before changing the carrier frequency. The new carrier frequency will not beactivated before you switch th...
Page 14 - PART V: OPERATING NOTES
Refer to the manual ofyour camcorder or mixing console. Important: 1.2 MultichannelSystems Important: Important: 2. The red AF LED (1hd on the receiver constantly lighting red and/or the status LED (2b, 3c) on the transmitter lighting constantly means the transmitter isoverloaded. Turn the GAIN cont...
Page 15 - Troubleshooting
30 PART VI: APPENDIX VI 1 Troubleshooting Problem No sound. Noise, crackling, unwanted signals. Distortion. Momentary loss of sound ("drop-outs") at some locations withinperformance area. Possible Cause 1. Receiver is OFF. 2. No batteries inside the trans- mitter and/or receiver. 3. Receiver...
Page 16 - Specifications
31 PART VI - APPENDIX VI 2 Specifications Carrier frequency rangeModulationAudio bandwidthFrequency stability (-10°C to+50°C)Rated deviationT.H.D. at 1 kHzCompanderSignal/noise ratioRF outputCurrent consumptionPower requirement Battery lifeAudio input level for rated deviationInput impedanceCondense...