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®
Telex
Op er ating In struc tions
™
Air man ANR 500 Head set
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Replaceable Headband Pad Detented Sliders Adjust to Any Size Head Replaceable Ear Cushions Noise Canceling Electret Microphone Volume Control Flexible Boom Mono/Stereo Permits Precise Switch Mic Placement Power Switch Low Battery LED Fig ure 1: Ref er ence View Note: See page 7 for avail able re place ment parts. 1
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Gen eral De scrip tion The Telex Airman ANR™500 Active Noise Reduction headset combines design features of a lightweight headset with the advanced techniques of electronic noise reduction. The result is a comfortable light-weight headset that provides good electronic reduction of low frequency ambient noise, while the cushion design provides good passive reduction of high frequency ambient noise. To take advantage of this improved listening environment, the Airman ANR™500 also features extende
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HEADSET OPERATION 1. Connect the headset as shown in Figure 2. 2. Rotate the entire boom to wear the microphone on either the right or left side of the head. 3. With the Airman ANR 500 headband resting securely on the top of the head, check that the ear cups are centered over the ears. Proper perfor- mance depends on proper fit of the headset. 4. For best noise canceling, position the microphone as close to the mouth as possible and speak in a normal voice. (See Figure 3) 5. Select stereo oper
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Microphone Gain Adjustment The microphone gain has been factory-adjusted to the nominal level required for normal radio operation and should normally not require adjustment. If needed, adjustment by a qualified avionics technician is recommended. To access the microphone gain, insert a small phillips head screwdriver through the access hole in the headset (refer to Figure 4). Clockwise rotation increases the microphone gain. NOTE: The microphone gain adjustment does not have a stop; at one po
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BATTERY MODULE BATTERY INSTALLATION The battery module requires one 9 volt battery. Alkaline batteries are recommended for best performance. Do not use nickel-cadmium rechargeable batteries or lithium batteries. 1. To remove the battery door press DETENT down on the detent while sliding the battery door over in the direc- tion of the arrow, then lift up. 2. Install the battery as shown. The unit will not operate properly if the battery is installed incorrectly. 3. Replace the battery door. Fig
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Specifications Receivers: Type: Dynamic Frequency Response: ±6dB re 1000 Hz over the range 350 - 3000 Hz Sensitivity: 90 ±5 dB SPL (1 kHz, 1 mW input per earcup side) Impedance: 300Ω stereo or 150Ω monaural mode Stereo/Mono: Switch located on the control module, allows stereo or monaural headset op- eration Microphone and Amplifier: Element Type: Noise-canceling electret Frequency Response: 300 to 5 kHz Sensitivity: -51 ±3 dB (ref: 1V/µbar at 1 kHz with 12 VDC and 470Ω DC load, 150Ω AC load Matc
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Gen eral: Cord age: Straight cord from head set to bat tery mod ule, 5.5 ft (66") Ra dio Con nec tions: Re ceiver; 1/4" di am e ter ste reo plug Mi cro phone: 0.206" di am e ter plug (PJ-068 equiv a lent) Weights: Head set only: 7 oz. (198g) Bat tery mod ule with bat ter y: 17 oz. (482g) Color: Black OR DERING IN FOR MA TION Prod uct Cat a log num ber Head set with Bat tery Box ............................... 300735-002 Mi cro phone Wind screen ...............
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LIMITED WARRANTY — VALID ONLY IN UNITED STATES AND CANADA TELEX Communications, Inc. (“Telex”) warrants to the user, who originally purchased the product delivered with this card, that the product will be free from defects in material and workmanship for the following periods after such date of purchase: Material 36 months, workmanship 36 months. Telex will, at its option, repair or replace, free of charge, such defective products subject to the fol- lowing conditions: 1. Delivery of the product
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CUSTOMER SERVICE For information or technical assistance, call or write to Telex at: Customer Service Department Telex Communications, Inc. 12000 Portland Ave. So. Burnsville, MN 55337 U.S.A. (952) 884-4051 Domestic Toll Free: (877) 863-4168 (Collect calls not accepted) All equipment returned for repair must be accompanied by documentation stat- ing your return address, telephone number and proof of date of purchase, along with a description of the problem. Return equipment for factory repair to
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Notes
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® TELEX COMMUNICATIONS, INC. l 12000 Portland Ave. S., Burnsville, MN 55337 U.S.A. 38109-822 Rev C 7/02
