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Summary of Contents for TIL A790
- Page 1 A790 LOUD HAILER CONTROLLER Operating Instructions TiL Document No. 09RE409 Revision D MARCH 2012 Technisonic Industries Limited 240 Traders Boulevard, Mississauga, Ontario L4Z 1W7 Tel: (905) 890-2113 Fax: (905) 890-5338 www.til.ca Copyright by Technisonic Industries Limited. All rights reserved.
- Page 3 REVISION HISTORY [ 09RE409 ] SECTION EDITED DESCRIPTION DATE / PAGE Original document released 17 Aug 2009 Added Model PSAIR42 to paragraph 1.2. 19 Oct 2009 Section 2 title typo corrected “Installation” to “Operating”. Title page changed to reflect new document format/layout.
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- Page 5 Changes or modifications not expressly approved by Technisonic Industries could void the user’s authority to operate the equipment. WARRANTY INFORMATION The Model A790 is under warranty for one year from date of purchase. Failed units caused by defective parts, or workmanship should be returned to: Technisonic Industries Limited...
- Page 6 FAA or Transport Canada. Only factory authorized dealers/installers are permitted to download and make use of these documents on behalf of their customers (end users) in support of regulatory agency approval. Please refer to the Technisonic web site www.til.ca for the latest issue of available STCs and letter of authorization for use.
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Page 7: Table Of Contents
3.2.4 PA – Select the wav File Loader ................3-2 3.2.5 REC – Exit Configuration Mode ................3-2 LIST OF FIGURES FIGURE TITLE PAGE A790 Operator’s Controls and Indicators .............. 2-1 Special Installation Configuration Diagram.............. 2-2 Standard Installation Configuration Diagram ............2-2 LIST OF TABLES TABLE TITLE PAGE Model A790 General Characteristics .............. - Page 8 TECHNISONIC INDUSTRIES LIMITED www.til.ca This page left intentionally blank. A790 Operating Instructions TiL 09RE409 Rev D...
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Page 9: General Description
The A790 Loud Hailer Controller is designed to control an airborne public address system adding features such as pre-recorded sounds and messages. MODEL VARIATION There is only one version of the Model A790, P/N 081250-1. All units support both 5 and 28 volt back lighting and all are NVG compatible. A790 Operating Instructions... -
Page 10: Technical Characteristics
Power Requirement: Voltage: 28.0 VDC, ± 15% Current: 500 mA max. Back Lighting: 28 Volts or 5 Volts @ 2mA max. Display Colour: NVG Compatible Green TABLE 1.1 Model A790 – General Characteristics A790 Operating Instructions TiL 09RE409 Rev D... -
Page 11: Operating Instructions
1. The user can use the PA system directly with the headset mic. 2. A message can be pre-recorded in the A790 to be played over the PA system. 3. A siren or a trill sound can be played through the PA. -
Page 12: Operating Instructions
OPERATING INSTRUCTIONS The A790 Loud Hailer Controller can be wired such that it is in line between the headset and the audio panel. This method would only be used when there are no more positions available on the audio panel. The second method is to connect the A790 to one of the positions on the aircraft audio panel. -
Page 13: Operation
The main power switch is incorporated into the knob as well. If the A790 is installed in the standard configuration #1, switching off the power automatically routes the headset, mic and PTT directly to the aircraft audio panel. - Page 14 • Press PTT and speak. • Release PTT when finished. The recording is now stored in the A790. 2.3.5 PLAYING AN EXTERNAL AUDIO SOURCE THROUGH THE PA • Plug the external audio source (MP3 Player, Cell Phone, Etc) into the 1/8” jack on the A790.
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Page 15: Introduction
SECTION 3 – CONFIGURATION MODE INTRODUCTION The A790 can be put into a mode that allows four features of the unit to be configured, these are: Configuring the unit for the backlight bus voltage used in the airframe. Enabling or disabling a Power On Test of the PA system. -
Page 16: Pa - Select The Wav File Loader
The button is lit when the wav file loader is running. 3.2.5 REC – Exit Configuration Mode Pressing the REC button will exit the configuration mode. NOTE: If you configured Amp Test Enabled, it will immediately begin. A790 Operating Instructions TiL 09RE409 Rev D...
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