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PRODUCT MANUAL
107840 Bluetooth Audio Interface
A V I A T I O N
Product Manual
Alto Aviation
86 Leominster Rd
PO Box 399
Sterling, MA 01564
Phone: 978.466.5992
800.814.0123
Fax: 978.466.5996
E-mail: tech@altoaviation.com
www.altoaviation.com
Size
Doc Type
Drawing Number
A
PM
107840-XXXX-XXXXXPM
107840 Bluetooth Audio Interface
Rev
Date
3
04/11/19
Page
1
of
25
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Summary of Contents for Alto 107840 Series
- Page 1 PRODUCT MANUAL 107840 Bluetooth Audio Interface 107840 Bluetooth Audio Interface Product Manual Alto Aviation 86 Leominster Rd PO Box 399 Sterling, MA 01564 Phone: 978.466.5992 800.814.0123 Fax: 978.466.5996 E-mail: tech@altoaviation.com www.altoaviation.com Size Doc Type Drawing Number Date Page 107840-XXXX-XXXXXPM 04/11/19...
- Page 2 Added BT Radio Note in Section 4.1 Copyright/Proprietary Notice Alto products are continually improved and all specifications are subject to change without notice. Information and data in this document is confidential and proprietary. Reproduction or disclosure of the information contained in this publication or any portion thereof, by any means, without the express written permission of Alto Technologies Corporation is prohibited.
- Page 3 PRODUCT MANUAL 107840 Bluetooth Audio Interface Service Bulletin List Service Manual Manual Bulletin Subject Revision Revision Number Number Date Size Doc Type Drawing Number Date Page 107840-XXXX-XXXXXPM 04/11/19 A V I A T I O N...
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Page 4: Table Of Contents
Table of Contents General ............................6 Equipment Description ............................. 6 Definitions and Acronyms ..........................7 107840 Series Overview ..........................7 Components ............................8 Pairing Switch and LED ........................... 9 Headphone Out / Auxiliary Input ........................10 Audio In / Out ..............................11 Outline Drawings ............................ - Page 5 PRODUCT MANUAL 107840 Bluetooth Audio Interface Table of Figures Figure 1: 107840-XXXX-XXXXX Bluetooth Audio Interface ..............6 Figure 2: Block Diagram of Bluetooth Audio Interface ................8 Figure 3: Pairing Switch and Indicator ....................9 Figure 4: Bluetooth Transmitter Connection Options (Do not connect both simultaneously) ....10 Figure 5: Bluetooth Receiver Connection Options (Do not connect both simultaneously) ....
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Page 6: General
PRODUCT MANUAL 107840 Bluetooth Audio Interface GENERAL This manual contains information about the installation and operation of the ALTO 107840 Bluetooth Audio Interface. Product information regarding mounting, mechanical, and electrical characteristics is also detailed. Figure 1: 107840-XXXX-XXXXX Bluetooth Audio Interface Equipment Description The Bluetooth Audio Interface is an independent module that receives or transmits entertainment audio. -
Page 7: Definitions And Acronyms
An AptX codec with low latency, around 40mS vs the normal delay of around 150mS. Low-Latency 107840 Series Overview The 107840 Bluetooth Audio Interface is a small module designed to provide a Bluetooth Audio link to an aircraft audio system. The unit is available in two configurations: ... -
Page 8: Components
PRODUCT MANUAL 107840 Bluetooth Audio Interface COMPONENTS Figure 2: Block Diagram of Bluetooth Audio Interface Size Doc Type Drawing Number Date Page 107840-XXXX-XXXXXPM 04/11/19 A V I A T I O N... -
Page 9: Pairing Switch And Led
PRODUCT MANUAL 107840 Bluetooth Audio Interface Pairing Switch and LED The Pairing Switch and LED (pin 3 and 4) are located on the top of the Bluetooth Audio Interface. The LED is blue and indicates current pairing status. If the BT Audio Interface is to be installed remotely, there are two pins on the connector which can be wired to an external pairing switch and LED. -
Page 10: Headphone Out / Auxiliary Input
PRODUCT MANUAL 107840 Bluetooth Audio Interface Headphone Out / Auxiliary Input The Bluetooth Transmitter includes headphone audio output lines (pins 5, 7, and 8), in the event that the user does not have Bluetooth capable headphones. In this case, the traditional wired headphones can be connected to a female 3.5mm jack (sold separately) installed adjacent to the pairing switch and indicator. -
Page 11: Audio In / Out
PRODUCT MANUAL 107840 Bluetooth Audio Interface Audio In / Out The Bluetooth Transmitter includes a differential audio input (pins 10, 12, 14, 15). This audio input will be connected to a line level audio output, such as a CMS or Blu-Ray player audio output. Wired Connection (pins 10, 12,... -
Page 12: Outline Drawings
PRODUCT MANUAL 107840 Bluetooth Audio Interface Outline Drawings Dot indicates location of Center of Gravity. 43mm Tolerance +-10mm Unit weight: < 0.25 lbs / 113 g 34mm A Weight and Balance calculation aircraft is required as part of installation approval process. -
Page 13: Figure 9: Left End Plate- J1 Connector
PRODUCT MANUAL 107840 Bluetooth Audio Interface J1 Connector- Control and Status 9 Pin Female DSUB Figure 9: Left End Plate- J1 Connector Size Doc Type Drawing Number Date Page 107840-XXXX-XXXXXPM 04/11/19 A V I A T I O N... -
Page 14: Qualification Data
The equipment contains a Bluetooth radio that transmits at frequencies from 2402 to 2480 MHz. The installer must verify that this Bluetooth radio installation does not adversely affect simultaneous operation of required aircraft radio receivers. For specific qualification testing documentation, please contact ALTO. Size Doc Type... -
Page 15: Operation
Bluetooth Receiver (Audio Input) Operation When the device is configured as audio input, the Bluetooth module implements an A2DP sink profile with SBC protocol. A2DP enables stereo audio streaming from the music player to the ALTO audio system. 1. Upon power up, the unit is initially not connected to any devices and the unit name is broadcast. -
Page 16: Bluetooth Audio Transmitter Operation
In this case it is important to employ Low-Latency headphones if the user desires to view cabin video while listening to the audio over the Bluetooth link. The Alto BT Transmitter incorporated a special codec known as aptX-LL®. A list of headphones supporting the aptX-Low Latency can be found here https://www.aptx.com/products?field_aptx_type_tid=484&field_product_category_tid=125... -
Page 17: Installation
This component is not intended to perform essential aircraft communication functions. This component exceeds the maximum audio delay requirements of RTCA/DO-214A. Any changes or modifications not expressly approved by Alto could void the user's authority to operate the equipment. Size... -
Page 18: Unpacking And Inspection
Verify that all components on the packing list have been received. If the unit has been damaged during shipment, contact Alto. A claim must be filed immediately after unpacking. Alto will assign a RMA Number (Returned Material Authorization) and give instructions for shipment. -
Page 19: Electrical Load Analysis
The enclosure plating is yellow chromate. Wire Shielding Wire bundles that include I/O signals, which interconnect ALTO CSS components, should have a shield(s) to prevent damage from high voltage surges such as lightning strikes. Examples of I/O pins that require shielding include, but are not limited to, LED’s, status outputs, switches etc. -
Page 20: Functional Hazard Assessment (Fha)
PRODUCT MANUAL 107840 Bluetooth Audio Interface Functional Hazard Assessment (FHA) Classification of No Safety Effect Minor Major Failure Conditions Effect No effect on operational Slight reduction in functional Significant reduction in functional capabilities or safety capabilities or safety margins capabilities or safety margins FUNCTIONAL HAZARD ASSESSMENT (FHA) Aircraft Function Classification of Failure Conditions... -
Page 21: Technical Specifications
PRODUCT MANUAL 107840 Bluetooth Audio Interface TECHNICAL SPECIFICATIONS BT Receiver Power Requirements Supply Voltage nominal 28VDC maximum 32VDC minimum 18VDC Supply Current maximum 30mA nominal 15mA Bluetooth Specifications BT Version FCC ID Q0QWT321 BT Power / Class +6.5 dBm Class 1 Audio Specifications Maximum Audio Output Level 0.85 Vrms... - Page 22 PRODUCT MANUAL 107840 Bluetooth Audio Interface BT Transmitter Power Requirements Supply Voltage nominal 28VDC maximum 32VDC minimum 18VDC Supply Current maximum 30mA nominal 15mA Bluetooth Specifications BT Version FCC ID Q0QWT321 BT Power / Class +6.5 dBm Class 1 Latency <40 ms when paired with aptX Low Latency headphones Audio Specifications Maximum Audio Input Level...
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Page 23: Connector Specifications
PRODUCT MANUAL 107840 Bluetooth Audio Interface CONNECTOR SPECIFICATIONS J1 Connector- Power, Pairing, Audio In/Out, Databus 15 pin Male D-Sub with Fixed Female Jack Screws Connector PN: Amphenol FCI D15P13A4GX00LF Mate: Any equivalent 15 Pin Female DSUB with Rotating 4-40 Jack Screws DESCRIPTION Details... -
Page 24: Do-160G Qualification
PRODUCT MANUAL 107840 Bluetooth Audio Interface DO-160G QUALIFICATION Section Title Category Details - Environmental Temperature and Altitude [B1X] Ground Survival Low Temperature -55C 4.5.1 [B1] Short Time Operating Low -40C Temperature 4.5.2 Operating Low Temperature [B1] -20C Ground Survival High Temperature +85C 4.5.3 [B1]... -
Page 25: Table 3: Do-160G Qualification Form - Emi
PRODUCT MANUAL 107840 Bluetooth Audio Interface Section Title Category Details - EMI Magnetic Effect 0<D<0.3m Power Input 28Vdc Equipment. 16.6 Normal Operating Conditions (dc) 16.6.1.1b(1,2) Voltage (Average Value dc) 30.3VDC, 22VDC 16.6.1.1b(3) Emergency Operation No test performed. 16.6.1.2 Ripple Voltage (dc) Refer to DO-160 §...
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