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Owner’s Manual
ALD-800
Multi-Channel rF wireless
assistive listening system
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Contents Introduction ............................................................................................................................. 2 ALD-800 Transmitter ............................................................................................................... 3 Confirming Correct Installation ................................................................................................ 4 ALD-800 Receiver Operating Instructions .............................................
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ALD-800 Transmitter Compact RF transmitter operating within an unbal anced line level audio source at the 72-76 MHz band designated for auditory zero dBm nominal signal level. If your mixer has XLR outputs only, you will need assistance frequencies by the FCC. an XLR-to-phone plug adapter, available • Eight factory switchable channels from most electronics stores and music • Input for line level audio equipment stores. • Input for microphone • Audio input gain control using a Microphone •
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Confirming Correct Installation The transmitter’s TX leD (6) will flash Changing the channel can be done when a microphone or line level signal is quickly by any qualified service techn ic ian. broadcast by the transmitter. If “TX” does Contact your dealer or the Nady Customer not flash, turn the audio input gain control Service Department for details. clockwise. This will increase audio level and cause “TX” to flash along with the using More Than One alD-800 system program source. When “TX
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ALD-800 Receiver Operating Instructions Pocket-sized RF receiver for personal using the alD-800 earphones listening assistance. Plug the included earphones into the earphone jack (2) on top of the receiver. • Any number of ALD-800 receivers can be The earpads can be ordered sepa rate ly, used with a single ALD-800T transmitter and since they cost very little, you may wish • Ultra compact and lightweight to dispose of them after use. However, the • Preset to one of eight auditory earpads
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alD-800 receiver (Front Panel) alD-800 receiver (Top Panel) 2 4 3 1 6
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Architects and Engineering Specifications alD-800 Transmitter alD-800 receiver The transmitter operates on the 72-76 MHz The receiver operates on a single frequency auditory assistance frequencies. Transmitted in the 72-76 MHz auditory as sist ance field strength shall not exceed 8000 µV/m band. Frequency stability is controlled by a at 30 meters. The operating frequency is phase locked loop synthesizer with crystal factory selectable to eight different channels reference and accurate within
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Specifications OVerall sysTeM PerFOrManCe Frequency response 100 Hz-15KHz ± 3 dB signa-to-noise ratio 60 dB Total Harmonic Distortion < 0.5% rF Carrier Frequencies Eight channels between 72-76 MHz Channel AA:72.1, BB: 72.3, CC: 72.5, DD: 72.7, EE: 72.9, FF:75.5, GG: 75.7, HH: 75.9 Frequency stability Better than .005% Modulation FM ± 75 KHz max Operating range Up to 300 feet line-of-sight alD-800 TransMITTer Mic Input Connector: 1/4“ phone jack. Impedance: low impedance, unbalanced, w
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Service Information In the u.s. If you are experiencing operational problems with your system, please refer to the Support page at www.nady.com for assistance. Should your wireless system require service, please contact the Nady Service Department at (510) 652-2411 to obtain a Return Authorization (R/A) Number and service quote (if out of warranty). Make sure the R/A Number is clearly marked on the outside of the package that you are returning. If your unit is out of warranty, please enclos
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One-Year Limited Warranty Nady Systems, Inc. warrants to the original consumer purchaser (U.S.A only) that the unit is free from any defects in material or workmanship for a period of one year from the date of original retail purchase. If any such defect is discovered within the warranty period, Nady Systems, Inc. will repair or replace the unit free of charge, subject to verification of the defect or malfunction upon return to Nady Systems. Please do not return your Nady product to the stor
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| 6701 Shellmound Street Emeryville, CA USA 94608 T 510.652.2411 | F 510.652.5075 | www.nady.com
