AKG Acoustics PT 81, HT 81 manual II Part II PR 81 Receiver

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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.

2.2Powering 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.

2.2.1Inserting Dry or 1. If the belt clip (1p) is attached to the receiver, remove the belt clip (1p) first so

Rechargeable Batteries you can open the battery compartment (1I):

Use a screwdriver as a lever to lift both ends of the belt clip (1p) out of the fixing holes in the receiver side panels.

2.To open the battery compartment (1I), press down on the arrow symbol on the battery compartment cover (1l) and push the battery compartment cover (1l) in the direction of the arrow away from the receiver.

3.Insert the supplied batteries into the battery compartment (1I) making sure to align them with the polarity marks inside the battery compartment (1I).

If you insert the batteries incorrectly, the receiver will not be powered.

Note: You may use 1.5 V AA size rechargeable batteries instead of the supplied dry batteries.

4.Set the POWER switch (1a) to "I" to switch power to the receiver ON.

The POWER LED (1b) will flash momentarily. If the batteries are fully charged the POWER LED (1b) will extinguish.

If the POWER LED (1b) begins to light constantly the batteries will be dead in approximately 60 minutes. Replace the batteries with new or fully charged ones as soon as possible.

If the POWER LED (1b) does not flash the batteries are dead. Insert new bat- teries.

5.Use the supplied screwdriver (1m) to set the SQUELCH control (1j) fully CCW (minimum). For details on setting the SQUELCH control (1j) refer to section 1 in Part V.

6.Align the battery compartment cover (1l) with the guide grooves on the battery compartment (1i) and push the battery compartment cover (1l) against the direction of the arrow to the point that the battery compartment cover (1l) clicks shut.

2.2.2Replacing Batteries If the POWER LED (1b) begins to light constantly and brightly the batteries will be dead in approximately 60 minutes.

If the POWER LED (1b) does not flash on switching power ON or the RF LED (1c) extinguishes, the batteries are dead.

Replace the batteries with new or fully charged ones.

1.If the belt clip (1p) is attached to the receiver, remove the belt clip (1p) first so you can open the battery compartment (1I):

Use a screwdriver as a lever to lift both ends of the belt clip (1p) out of the fixing holes in the receiver side panels.

2.To open the battery compartment (1I), press down on the arrow symbol on the battery compartment cover (1l) and push the battery compartment cover (1l) in the direction of the arrow away from the receiver.

3.Remove the batteries from the battery compartment (1i).

4.Insert the new batteries into the battery compartment (1i) making sure to align them with the polarity marks inside the battery compartment (1I).

If you insert the batteries incorrectly, the receiver will not be powered.

5.Align the battery compartment cover (1l) with the guide grooves on the battery compartment (1i) and push the battery compartment cover (1l) against the direction of the arrow to the point that the battery compartment cover (1l) clicks shut.

2.2.3PA 81 Optional The optional PA 81 supply adapter allows you to power the PR 81 receiver direct-

Supply Adapter ly from an external power supply such as a DC supply output on a camcorder. The

PR 81 supply adapter has been designed for supply voltages from 5 V DC to

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Contents PR 81 HT 81 PT Table of Contents FCC Statement Safety and EnvironmentPart I General DescriptionPR 81 receiver PR 81 receiver with accessories HT 81 handheld transmitterPR 81 receiver with accessories PT 81 bodypack transmitter UnpackingII 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 Audio Connection Using the Belt ClipMounting Receiver on a CameraII Part II PR 81 Receiver Interchangeable Prior to selecting frequencies, switch the transmitter OFFPart III HT 81 Handheld Transmitter ControlsIII 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 Specifications735.200MHz 778.400MHz Set UK69B UKSpot Set US58 Set EU59858.200MHz 860.400MHz 734.600MHz 777.800MHz 860.900MHzPage 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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