Comtek AT-216 Operator's Manual

Wireless auditory assistance kit

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AT-216 OPERATOR'S MANUAL

AT-216 Wireless Auditory

Assistance Kit

357 West 2700 South • Salt Lake City, Utah 84115 • Phone: (800) 496-3463 • Fax: (801) 484-6906 • http://www.comtek.com

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Page 1 AT-216 OPERATOR’S MANUAL AT-216 Wireless Auditory Assistance Kit 357 West 2700 South • Salt Lake City, Utah 84115 • Phone: (800) 496-3463 • Fax: (801) 484-6906 • http://www.comtek.com...
Page 2: Table Of Contents
Section 3: Battery Charger Section 4: Frequency Chart / Frequency Groups Section 5: Optional Accessories Section 6: Trouble Shooting Section 7: Care and Maintenance Section 8: Warranty and Service ® © 2006 COMTEK All rights reserved. Print Release Date 03-23-2006-D...
Page 3 AT-216 Digitally Synthesized Wireless Auditory Assistance Kit ® A Close-Up On Sound Page 1...
Page 4: Section 1 General Information
AT-216 system and ensure ease of operation. 1.1 Purpose of Equipment The AT-216 system functions as a remote microphone for the user, overcoming the greatest listening problems for the hearing-impaired: • High levels of background noise •...
Page 5: Unit And Accessories Supplied
Section 1 General Information (Continued) 1.2 Unit and Accessories Supplied 1. Personal receiver (PR-216) 2. Neckloop transductor (NTC-102) 3. Two belt clips (BC-216’s) 4. Transmitter (M-216) 5. Microphone and clip (SM-183) 6. Battery charger (NBC 9-2C) 7. Rechargeable batteries (NH9-200) 8.
Page 6: Pr-216 Controls, Connectors And Indicators
Section 1 General Information (Continued) 1.3 PR-216 Controls, Connectors and Indicators ENVIRONMENTAL MIC ON / OFF SWITCH: This switch turns the optional EnviroMic or Smart-Mic on and off. (Set to right for ON and to left for OFF.) CHANNEL SWITCHES: These rotary switches are set to the same channel as the transmitter.
Page 7: M-216 Controls, Connectors And Indicators
Section 1 General Information (Continued) 1.4 M-216 Controls, Connectors and Indicators COMPAND AUTO / OFF SWITCH: This switch overrides the automatic selection of the companded channels to non-companded operation (normally set to the right). CHANNEL SWITCHES: These rotary switches are set to the same channel as the receiver. Actual frequency of operation must agree with the receiver.
Page 8: Section 2 Operation
Section 2 Operation 2.1 Operating the System A. Before operating the system: 1. Ensure that the M-216 transmitter and the PR-216 receiver are on the same channel (see frequency selection instructions in Section 2.4). 2. Check that new 9 volt alkaline batteries have been installed in both the receiver and the transmitter or that the rechargeable batteries have been recharged.
Page 9 Section 2 Operation (Continued) 2.1 Operating the System (Continued) C. Receiver set up: 1. Slip the neckloop over the listener’s head, and let it rest comfortably around the neck with the pendant in front. The neckloop can also be concealed underneath clothing. 2.
Page 10: Optional Enviromic And Smart-Mic
Section 2 Operation (Continued) 2.2 Optional EnviroMic and Smart-Mic The PR-216 may be equipped or may be retrofitted with the optional EnviroMic or Smart-Mic feature for assistive listening applications where both environmental sounds and the speaker’s voice from the transmitter must be heard.
Page 11 2. The option “P” micro-mini 2.5mm jack uses the M-4020P plug-in environmental microphone for either EnviroMic or Smart-Mic operation. This input jack may also be used with other accessories such as hand-held directional microphones, clip-on speech training microphones, and telephone adapters. Consult COMTEK’s technical services to ensure compatibility. Page 9...
Page 12: Connection Possibilities
Section 2 Operation (Continued) 2.3 Connection Possibilities The CB-48AT and the CB-36ST are specialty adaptor cables that must be used when connecting the M-216 transmitter or the PR-216 personal receiver to other electronic audio devices. To Simultaneously Record and Monitor the Speaker Using the Optional CB-48AT Cord...
Page 13: Frequency Selection
2.4 Frequency Selection (216-217 MHz) The PR-216 personal receiver can operate on one of 57 available channels between 216 MHz and 217 MHz. COMTEK’s channel designations indicate both standard narrow-band channels and high-fidelity, narrow-band companded channels. Channels 1-40 are standard narrow-band channels (5kHz deviation) offering compatibility with other manufacturers’...
Page 14: Battery Removal / Replacement
Section 2 Operation (Continued) 2.5 Battery Removal / Replacement Pull back battery door latch and allow battery cover door to spring open. To remove battery, simply manipulate the bottom of battery out of the compartment and remove. To insert battery, face battery with negative terminal in line with large hole in battery com- partment, press battery into compartment and close battery door until it snaps shut.
Page 15: Section 3 Battery Charger
Section 3 Battery Charger Battery Charger The NBC 9-2C charger supplied with the AT-216 system will recharge either Nickel-Cadmium (Ni-Cad) or Nickel-Metal Hydride (Ni-MH) batteries. Ni-MH batteries are supplied with the AT-216 system. Note: Do not attempt to charge alkaline batteries with the NBC 9-2C charger.
Page 16: Section 4 Frequency Chart / Frequency Groups
Section 4 Frequency Chart / Frequency Groups arrow-Band Channels; 5 kHz dev. High-Fidelity Channels; 10 kHz dev. For use with COMTEK and other manufacturers For use with COMTEK equipment only (Educational Standard) (Companded) FREQUENCY CHANNEL FREQUENCY CHANNEL (SWITCH POSITION) (SWITCH POSITION) 216.0125 MHz...
Page 17 PR-216 PR-216 216 MHz 216 MHz WIDE-BAND NARROW-BAND FREQUENCY GROUPS FREQUENCY GROUPS Compatible with COMTEK For COMTEK and other manufacturers equipment only (5 kHz deviation) (10 kHz deviation) GROUP 1 GROUP A CHANNEL FREQUENCY CHANNEL FREQUENCY 216.0250 MHz 216.0125 MHz 216.1750 MHz...
Page 18: Section 5 Optional Accessories
Section 5 Optional Accessories Optional Accessories 1. NBC 9-3-12 Digital 12 station fast charger 2. BC-216 Snap-on belt clip (supplied with AT-216 kit) 3. HM-100H Headworn unidirectional electret microphone 4. LS-3 High efficiency headphones 5. CC-24 Cochlear speech processor cord (four types available) 6.
Page 19: Section 6 Trouble Shooting
• The AT-216 system must be returned to COMTEK for service if the test indicator lamps do not illuminate when new alkaline batteries are used.
Page 20 You hear excessive background noise or distortion... Then... • Turn the AT-216 F.M. system “off ” and leave the hearing aids on in the “T” position to determine if the noise or distortion is still present in the hearing aids. If the noise or distortion is still present, the hearing aids will need to be checked by your hearing aid specialist.
Page 21 Section 6 (Continued) Channel Compatibility If... Two transmitters are operating on the same channel within 100 feet from one another, you will experience interference which sounds like distorted voices, static, or chirping sounds ... Then... • When only two transmitters are operating in the same proximity (within 100 feet) any different channel may be selected for the other transmitter.
Page 22: Section 7 Care And Maintenance
Section 7 Care and Maintenance Care and Maintenance Avoid excessive heat. Don’t leave the transmitter or receiver in hot sun, on a radiator, or near other sources of high temperature. Avoid rough handling. The receiver and transmitter may be damaged if dropped.
Page 23: Section 8 Warranty And Service
Section 8 Warranty and Service Warranty COMTEK warrants this product to be free from defects in workmanship and material under normal use and conditions for a period of one year from date of original purchase. Items such as batteries, neckloops and cords, are not covered by the warranty.