Instruction/ maintenance manual of the product ANRTM 150 Telex
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Operating Instructions Te l e x ® Echelon ANR TM 150 Headset.
Figure 1 Note: See page 7 for available replacement parts..
Page 1 General Description The Echelon ANR 150 is a medium-weight aircraft communications headset. It features electronic noise reduction circuitry for improved reduction of aircraft motor and wind noise. The Echelon ANR 150 also features extended response receivers for improved sound reproduction from the aircraft radio and entertainment system.
Microphone Bias V oltage Requirements The boom microphone requires a bias voltage of 8-16 VDC through 300 to 1000 ohms. If you are uncertain whether your avionics equipment meets this requirement, consult the avionics equipment manufacturer .
Page 3 Headset Operation 1. Connect the headset as shown in Figure 2. Set the MONO/STEREO headphone switch to match the type of sound system in your aircraft. 2. Rotate the entire boom overhead to wear the microphone on either the right or left side of the head.
Page 4 Figure 3. Headband Pressure Adjustment 7.V olume Adjustment Procedure The following procedure is recommended to assure that there will be sufficient radio volume in the event of a loss of power to the headset. a. T urn the headset power off. b.
Page 5 Specifications Receivers and Noise Reduction Circuits: Reciever T ype: Dynamic Frequency Response: 50 Hz - 1.5 kHz Sensitivity (Max. V olume): 95 ± 5 dB SPL (1 kHz, 1 mW input per earcup side) Impedance (Max. V olume): Stereo: 300 ohms per side, Monaural: 150 ohms Stereo /Mono: Switch in cord allows Stereo or Monaural headset operation.
Page 6 General: Cordage: Headset: Straight Y cord, 6 ft (1.8 m), Aircraft Power Module: Straight cord, 3ft (0.9 m) Headset Connections: Power: 3.5 mm 2 conductor right angle plug for connections to the battery module or aircraft power module. Microphone: 0.
Page 7 LIMITED W ARRANTY — V ALID ONL Y IN UNITED ST A TES AND CANADA TELEX Communications, Inc. (“T elex”) warrants to the user , who originally purchased the product delivered with this card, .
Page 8 CUSTOMER SER VICE For information or technical assistance, call or write to T elex at: Customer Service Department T elex Communications, Inc. 12000 Portland A ve. So. Burnsville, MN 55337 U.S.A. (952) 884-4051 When returning equipment for repair , please enclose an explanation of the problem.
Notes.
381 10-010 Rev B 4/02.
An important point after buying a device Telex ANRTM 150 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Telex ANRTM 150 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Telex ANRTM 150 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Telex ANRTM 150 you will learn all the available features of the product, as well as information on its operation. The information that you get Telex ANRTM 150 will certainly help you make a decision on the purchase.
If you already are a holder of Telex ANRTM 150, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Telex ANRTM 150.
However, one of the most important roles played by the user manual is to help in solving problems with Telex ANRTM 150. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Telex ANRTM 150 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
