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Summary of Contents for Telex ANRTM 150
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Page 1: Operating Instructions
Telex ® Operating Instructions Echelon 150 Headset... - Page 2 Figure 1 Note: See page 7 for available replacement parts.
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Page 3: General Description
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. - Page 4 Microphone Bias Voltage 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. Optional Aircraft Power Supply Module The power supply module is designed for use in negative ground electrical systems only.
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Page 5: Headset Operation
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. 3. - Page 6 Figure 3. Headband Pressure Adjustment 7.Volume 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.Turn the headset power off. b.Set the headset volume controls to the middle of their range. c.
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Page 7: Specifications
Receivers and Noise Reduction Circuits: Reciever Type: Dynamic Frequency Response: 50 Hz - 1.5 kHz Sensitivity (Max. Volume): 95 ± 5 dB SPL (1 kHz, 1 mW input per earcup side) Impedance (Max. Volume): Stereo: 300 ohms per side, Monaural: 150 ohms Stereo/Mono: Switch in cord allows Stereo or Monaural headset operation. -
Page 8: Ordering Information
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: 0.206" diameter plug (PJ-068 equivalent) Receiver: PJ-055 equivalent plug for receivers Stereo/mono selector switch in the cord Battery Module Connector:... - Page 9 Material 36 months, workmanship 36 months. Telex will, at its option, repair or replace, free of charge, such defective products subject to the following conditions: 1.
- Page 10 Non-Warranty Repairs - Equipment that is not under warranty must be sent prepaid to Telex. If requested, an estimate of repair costs will be issued prior to service. Once your approval for repair, and repair of equipment is completed, the equipment will be returned on a collect basis.
- Page 11 Notes...
- Page 12 38110-010 Rev B 4/02...
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