AKG Acoustics PR 81, HT 81 manual IV Part IV PT 81 Bodypack Transmitter, Part V Operating Notes

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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.

Open the battery compartment (3h).

Testing Batteries

2.

Insert the supplied batteries into the battery compartment (3h) conforming to

 

 

the polarity marks.

 

 

The transmitter will not function with incorrectly inserted batteries.

 

3.

Close the battery compartment (3h). The GAIN control (3j) remains accessible

 

 

through an opening in the battery compartment cover.

 

4.

Rotate the security cover (3m) CW to uncover the switches.

 

5.

Set the POWER switch (3a) to "I" to switch the power to the transmitter on.

 

 

The status LED (3c) will flash momentarily. If the batteries are in good con-

 

 

dition, the status LED (3c) will continue glowing dimly.

 

 

When the status LED (3c) illuminates brightly the batteries will be dead within

 

 

about 90 minutes. Replace the batteries with new ones as soon as possible.

 

 

If the status LED (3c) fails to illuminate the batteries are dead. Insert new

 

 

batteries.

 

6.

Snap the security cover (3m) back over the switches CCW.

 

 

You can wear the transmitter inside a shirt or jacket pocket, fix it to your belt

 

 

with the belt clip (3g).

Important:

Make sure the antenna will hang down freely, without being covered by

 

the body.

2.3 Connecting and

1.

Connect your microphone to the audio input (3d).

Using Microphones

2.

For details on how to use your microphone for best results, refer to the micro-

 

 

phone instruction manual.

2.4Color Code To replace the black color code platelet (3e) on the transmitter with a different- color platelet from the optional CC 60 Color Coding Kit,

1.Lift the end of the black color code platelet (3e) on the top panel of the trans- mitter and remove the color code platelet (3e).

2.Select a color code platelet of the desired color from the CC 60 Color Coding Kit and snap the selected platelet onto the transmitter.

V PART V: OPERATING NOTES

1 Adjusting the Transmitter and Receiver

1.1Adjustments 1. Handheld transmitter: Using the supplied screwdriver (1m), set the GAIN control (2e) so that on the receiver the AF LEDs (1h) will light green and the AF LED (1d) on the receiver as well as the status LED (2b) on the transmitter will only flash on the loudest signal peaks.

Bodypack transmitter: Using the supplied screwdriver (1m), set the GAIN control (3j) so that on the receiver the AF LEDs (1h) will light green and the AF LED (1d) on the receiver as well as the status LED (3c) on the transmitter will only flash on the loudest signal peaks.

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Contents PR 81 HT 81 PT Table of Contents Part I General Safety and EnvironmentDescription FCC StatementPR 81 receiver with accessories PT 81 bodypack transmitter PR 81 receiver with accessories HT 81 handheld transmitterUnpacking PR 81 receiverII Part II PR 81 Receiver Controls 1a Power I/O on/off switch3 PT 81 CB 40 bag Color Coding Kit Part II PR 81 Receiver Setting UpII Part II PR 81 Receiver Mounting Using the Belt ClipReceiver on a Camera Audio ConnectionII Part II PR 81 Receiver Part III HT 81 Handheld Transmitter Prior to selecting frequencies, switch the transmitter OFFControls InterchangeableIII Part III HT 81 Handheld Transmitter Microphones Part IV PT 81 Bodypack TransmitterIV Part IV PT 81 Bodypack Transmitter Adjusting the Transmitter and ReceiverPart V Operating Notes Multichannel Systems CleaningProblem Possible Cause Remedy TroubleshootingVI Part VI Appendix Part VI Appendix Specifications858.200MHz Set UK69B UKSpot Set US58 Set EU59860.400MHz 734.600MHz 777.800MHz 860.900MHz 735.200MHz 778.400MHzPage 3k/3l

HT 81, PT 81, PR 81 specifications

AKG Acoustics has long been recognized as a leader in the field of professional audio equipment, and their HT 81, PR 81, and PT 81 microphones exemplify the brand's commitment to quality, innovation, and user-centric design. These microphones are particularly suited for applications in live sound, broadcast, and studio recording, making them versatile tools for audio professionals.

The AKG HT 81 handheld transmitter microphone is designed for wireless performance. It features a dynamic capsule that delivers a clear and natural sound, a significant advantage for vocal performances. The microphone is engineered to minimize handling noise and feedback, ensuring that the audio remains pristine even in challenging environments. Its robust build quality can withstand the rigors of touring and live shows, making it a reliable choice for entertainers on stage.

Complementing the HT 81, the PR 81 is a professional receiver that supports a wide frequency range, allowing for clear audio transmission without interference. This receiver is equipped with advanced diversity reception technology, which helps mitigate dropouts and ensures consistent audio quality, even in crowded RF environments. The PR 81 offers a range of connectivity options, enabling easy integration into existing audio systems, whether in venues or broadcasting setups.

The PT 81 bodypack transmitter is another integral component of this series, designed for use with lavalier or headset microphones. It features a lightweight and ergonomic design, ensuring comfort for performers during extended use. The PT 81 is equipped with a high-quality analog audio input, allowing for seamless connection to a variety of microphones. Its long battery life is a significant advantage, providing reliable operation for long events or sessions.

All three devices utilize AKG’s advanced wireless technology, which incorporates digital signal processing for enhanced audio quality and reduced noise interference. The system also offers multiple channels, allowing for the simultaneous use of multiple microphones without conflict. With quick and easy setup, users can spend more time focusing on performance rather than troubleshooting audio issues.

Overall, the AKG HT 81, PR 81, and PT 81 represent a powerful trio of wireless audio solutions. Their combination of durability, sound quality, and user-friendly features makes them an excellent choice for any professional looking to elevate their audio experience. Whether for stage, studio, or broadcast applications, these microphones stand out as reliable tools that deliver outstanding performance.
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