ELECTRONIC REVISION CONTROLLED Document Number 103517 Rev B
Rosen Aviation Digital Wireless Headphone System Technical Manual, Digital Wireless Headphone System © 2009 by Rosen Aviation, LLC All Rights Reserved The information contained herein is proprietary to Rosen Aviation, LLC. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form by any means without the written authorization from Rosen Aviation, LLC, except as allowed under copyright laws.
Rosen Aviation Digital Wireless Headphone System Contents 1. INTRODUCTION .................................................................................................................4 1.1. Unpacking .....................................................................................................................4 2. CONNECTING THE TRANSMITTER .................................................................................4 3. WIRELESS TRANSMITTER CONNECTOR ........................................
Rosen Aviation Digital Wireless Headphone System 1. INTRODUCTION The Digital Wireless Headphone System consists of a 5.8 GHz transmitter and 5.8 GHz headphones. The transmitter features three audio inputs and a pilot microphone input. The pilot microphone input will override the other inputs when active. The unit is designed to integrate into any entertainment system with analog audio capability.
Rosen Aviation Digital Wireless Headphone System 3.
Rosen Aviation Digital Wireless Headphone System 4. PLACING THE TRANSMITTER The wall-mounted transmitter must be mounted with the J1 connector pointing toward the ceiling of the aircraft cabin. It can be placed behind a bulkhead or other wall, as long as the bulkhead or wall is made of composite or wood material. Install transmitter so that J1 connector points toward aircraft ceiling This is the antenna face.
Rosen Aviation Digital Wireless Headphone System 5. INSERTING THE BATTERIES INTO THE HEADPHONES There are two battery compartments, one in each earpiece. 1. To open the battery compartment, press the center of outer edge of either earpiece firmly – the battery compartment lid will pop open. 2. Insert the battery by pressing the bottom of the battery down against the spring at the bottom of the battery compartment. The battery should snap into place. 3.
Rosen Aviation Digital Wireless Headphone System 6. OPERATING THE HEADPHONES The aircraft must be powered up before the headphones will function. Set the volume control of the headphones to minimum. Press the power button on the headphones. Once the headphones detect a signal, the LED indicator on the headphones will turn green and the transmitter will transmit the audio signal. If no signal is detected, the LED indicator will be red.
Rosen Aviation Digital Wireless Headphone System 7.2. DO-160E Qualifications Table 3 DO-160E qualifications DO-160E Section Transmitter DO-160E Category Headphones DO-160E Category Temperature and Altitude 4.0 A1 A1 Temperature Variation Humidity Operational Shocks & Crash Safety 5.0 6.0 C A C A 7.0 B N/A Vibration 8.0 S, Curve B N/A Magnetic Effect Power Input Voltage Spike Audio Frequency Conducted Susceptibility – Power Inputs 15.0 16.0 17.0 Z Z/B A Z N/A N/A 18.
Rosen Aviation Digital Wireless Headphone System Table 5 Wireless transmitter specifications Audio Transmission Method Digital Transmitter Frequency 5.8 GHz Signal-to-Noise ratio (A-weighted) Min. 90 dB Dynamic Range Typ. 100 dB Channel Separation Min. 65 dB Harmonic Distortion Max. -55 dB Transmitter Operating Range 20 meters in direction of transmitted signal within the aircraft cabin 9. REGULATORY APPROVALS 9.1.
