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PR 81
HT 81
PT 81
User Instructions
Please read the manual before using the equipment!
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Table of Contents Page PART I: GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 0 FCC Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 1 Safety and Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 1.1 Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18 1.2 Environment . . . . . . . . . . . . . . . . . . . . . . .
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I PART I: GENERAL FCC Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Parts 74, 15, and 90 of the FCC Rules. These limits are designed to provide reasonable protection against harm- ful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency ener- gy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. Ho
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I PART I: GENERAL The PR 81 portable receiver is available separately or as a complete system with 2.2 Unpacking an HT 81 handheld transmitter or PT 81 bodypack transmitter. 2.2.1 PR 81 Receiver 1 PR 81 receiver 1 screwdriver 1 mini XLR to XLR 2 AA size 1.5 V bat- connecting cable teries 1 belt clip Velcro tape for camera mounting 1 PR 81 receiver 1 SA 43 stand 2.2.2 Handheld System with adapter accessories 1 HT 81 handheld 1 screwdriver transmitter 2 AA size 1.5 V bat- 1 carrying case teries fo
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I PART I: GENERAL 2.3.3 PT 81 CB 40 bag Color Coding Kit 2.4 Frequencies The PR 81 portable receiver, HT 81 handheld transmitter, and PT 81 bodypack transmitter have been factory programmed for up to 15 selectable carrier fre- quencies. A carrier frequency label on the receiver, on the handheld transmitter, or on the bodypack transmitter indicates the Frequency Set the unit uses and all available carrier frequencies. For currently available Frequency Sets and frequencies suited for intermodulati
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II PART II: PR 81 RECEIVER 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 diversity circuit will automatically activate the antenna that provides the better signal. 1h Color code platelet: If you use the receiver within a multichannel system, 1.2.2 Front Panel you can remove the black plastic platelet and replace it with a different color platelet from the optional Color Coding Kit. This allows
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II PART II: PR 81 RECEIVER Important: If you wish to set up a multichannel system, read section 1.1 Multichannel Systems in Part V first. 2.2 Powering To power the PR 81 portable receiver you can use the supplied 1.5 V AA size dry batteries, 1.5 V AA size rechargeable batteries (not supplied), or the optional PA 81 supply adapter for direct powering from a camcorder. 2.2.1 Inserting Dry or 1. If the belt clip (1p) is attached to the receiver, remove the belt clip (1p) first so Rechargeable Batt
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II PART II: PR 81 RECEIVER 18 V DC and has a fixed 20-in. (50-cm) connecting cable with stripped and tinned leads. An automatic fuse switches the PA 81 OFF if the supply voltage is shorted. The PA 81 requires a maximum power of 1 watt. 1. Check that the voltage source on your camcorder provides a voltage between Refer to your camcorder 5 V DC and 18 V DC and sufficient current to satisfy the 1-watt power re- manual. quirement of the PA 81. Also check what type of connector you will need. 2. Fix
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II PART II: PR 81 RECEIVER 2.6 Connecting To connect a pair of headphones to the receiver, you will need an optional MK HP Headphones adapter cable from AKG. This cable provides a mini XLR connector and a TS mini jack for connecting headphones with a mini jack plug. Important: In order to avoid overloading the headphone amplifier, do not connect headphones with an impedance of less than 16 Ω to the headphone out- put. 1. Plug the mini XLR connector on the adapter cable into the AUDIO OUT jack (
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III PART III: HT 81 HANDHELD TRANSMITTER 1 Description The HT 81 handheld transmitter and matching microphone elements (optional) provide the same acoustic performance as the equivalent hardwire microphone versions. The microphone elements available for the HT 81 have been specifical- ly designed for vocal use. The HT 81 operates in a subband up to 3 MHz wide within the 710 MHz to 860.9 MHz UHF carrier frequency range. The HT 81 can be switched to a maxi- mum of 15 different carrier frequencies
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III PART III: HT 81 HANDHELD TRANSMITTER 2 Setting Up 2.1 Selecting the 1. Unscrew the battery compartment cover CCW and remove the color code Carrier Frequency ring (2d or 2j) from the transmitter. All controls are now accessible. 2. Use the supplied screwdriver (1m) to set the CHANNEL control (2g) to the desired channel. 3. Set the CHANNEL control (1k) on the receiver to the same channel as the transmitter. Important: Be sure to switch power to the transmitter OFF every time before chan- ging
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PART IV: PT 81 BODYPACK TRANSMITTER IV 1 Description You can use the PT 81 bodypack transmitter with both dynamic microphones and condenser 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 MHz UHF carrier frequency range. The PT 81 can be switched to a maximum of 15 dif- ferent carrier frequencies depending on local frequency allocations. 3a POWER: Switches the transmitter power ON ("I") and OFF ("0"). 1.1 Controls 3
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IV PART IV: PT 81 BODYPACK TRANSMITTER Important: Be sure to switch power to the transmitter OFF every time before changing the carrier frequency. The new carrier frequency will not be activated before you switch the transmitter back ON. (If you change the carrier frequency while the transmitter is ON, the transmitter will remain tuned to the old carrier frequency.) Important: If you wish to set up a multichannel system, read section 1.2 Multichannel Systems in Part V first. 2.2 Inserting and 1
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V PART V: OPERATING NOTES 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 is overloaded. Turn the GAIN control (2e) or (3j) on the transmitter CCW to the point that the above LEDs will only flash occasionally. 3. Set the audio input level on your camcorder or on the mixer channel to which Refer to the manual of the receiver is connected. your camcorder or If the selected input provides pha
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VI PART VI: APPENDIX 1 Troubleshooting Problem Possible Cause Remedy No sound. 1. Receiver is OFF. 1. Set POWER switch on receiver to "I". 2. No batteries inside the trans- 2. insert batteries into transmitter mitter and/or receiver. and/or receiver. 3. Receiver is not connected to 3. Connect receiver output to mixer or camcorder. mixer or camcorder input. 4. Audio level control on camcor- 4. Turn up audio level control on der or channel fader on mixer is camcorder or channel fader on at zero. m
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PART VI - APPENDIX VI 2 Specifications HT 81 PT 81 PR 81 Carrier frequency range 710 to 860.9 MHz 710 to 860.9 MHz 710 to 860.9 MHz Modulation FM FM FM Audio bandwidth 50 to 20,000 Hz 50 to 20,000 Hz 50 to 20,000 Hz Frequency stability (-10°C to +50°C) ±10 ppm ±10 ppm ±10 ppm Rated deviation 30 kHz 30 kHz - T.H.D. at 1 kHz <0.5% <0.5% <0.8% Compander Yes Yes Yes Signal/noise ratio typ. 50 dB(A) typ. 50 dB(A) >108 dB(A) RF output 10 mW 10 mW - Current consumption 150 mA typ. 180 mA typ. - Power r
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Frequenzliste - Frequency List - Liste des fréquences - Elenco 3 delle frequenze - Lista de las frecuencias - Lista de frequências Set: UK69B (UKSpot) Set: US58 Set: EU59 CHANNEL FREQ. CHANNEL FREQ. CHANNEL FREQ. 0 OFF 0OFF 0OFF 1 858.200MHz* 1 734.400MHz 1 777.600MHz 2 860.400MHz* 2 734.600MHz* 2 777.800MHz* 3 860.900MHz* 3 734.800MHz 3 778.000MHz 4 860.900MHz 4 735.000MHz 4 778.200MHz 5 860.900MHz 5 735.200MHz 5 778.400MHz* 6 860.900MHz 6 735.400MHz 6 778.600MHz 7 860.900MHz 7 735.600MHz 7 778
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+ – + – 2k 3b 3a 3c 3d PR 81 PT 81 1e 45° 1b 1d 1a 1c 3i 1r 3m 1g 45° 1f 3e 1g 1h 3g 2a 2b 2c 1p 3m 1j HT81 HT81 HT81 1l 2g PT81 0000Z0000 SNR:01001 AKG Set:EUS.. 1:000.000 9:000.000 MHz 2:000.000 10:000.000 MHz 3:000.000 11:000.000 MHz 1n 4:000.000 12:000.000 MHz 5:000.000 13:000.000 MHz HT 81 6:000.000 2e 1j 1l 1k 3k/3l 3g 1o 2 x 1.5V 1p I II 1i 3g 3j 2h/2i 3f HT 81 A BC 1m HT81 HT81 HT81 2f 2 x 1.5V 3h + D E 2d/2j HT81 HT81 2 x 1.5V III IV – 2d/2j 1s + – + – + –
