A790 Operating Instructions
Contents
1. E Dr DE gag E edu EE 2 1 2 2 OPERATING INSTRUCTIONS 000000 ne ie ee ee entren 2 2 2 3 OPERATION 42 2 3 SECTION 3 CONFIGURATION OPTIONS 3 1 INTRODUCTION cem 3 1 3 2 CONFIGURATION MODE 0 3 1 3 2 1 SIREN Select the Backlight Voltage Hn 3 1 3 2 2 TRILL Select the Amplifier Test 18 550011 3 1 3 2 3 PLAY Set the Side tone Level 00 0 3 1 3 2 4 PA Select the wav File Loader 3 2 3 2 5 REC Exit Configuration Mode 82 eese meets nennen 3 2 LIST OF FIGURES FIGURE TITLE PAGE 2 1 A790 Operator s Controls and Indicators 2 1 2 2 Special Installation Configuration mmm 2 2 2 3 Standard Installation Configuration Diagram 2 2 LIST OF TABLES TABLE TITLE 1 1 Model A790 General Characteristics 1 2 A790 Operating Instructions TiL O9RE409 Rev D TECHNISONIC INDUSTRIES LIMITED www til ca This page left intentionally blank A790 Operating Instructions TiL O9RE409 Rev D vi TECHNISONIC INDUSTRIES LIMITED www til ca SECTION 1 GENERAL DESC2. Adjust volume as necessary Press the PA button again when finished 2 3 6 RECORDING A MESSAGE FROM AN EXTERNAL SOURCE Plug the external audio source into the 1 8 jack on the A790 Have the external source ready to play Press the REC button The button will start to blink indicating the record mode is armed Press the REC button again within 4 seconds Immediately start the audio source When the audio source is done press the REC button again The recording is now stored in the A790 A790 Operating Instructions TiL O9RE409 Rev D 2 4 TECHNISONIC INDUSTRIES LIMITED www til ca SECTION 3 CONFIGURATION MODE 3 1 INTRODUCTION The A790 can be put into a mode that allows four features of the unit to be configured these are 1 Configuring the unit for the backlight bus voltage used in the airframe 2 Enabling or disabling a Power Test of the PA system 3 Setting the sidetone level to the operator s headset 4 Download Siren and Trill sound files NOTE These options are typically configured once items 1 3 at install time item 4 at the factory To enter the configuration mode with the unit OFF press and hold the SIREN TRILL and PLAY keys turn on the A790 now release the keys To exit configuration mode either press the REC button or turn the power off 3 2 CONFIGURATION MODE OPERATION When in configuration mode the front panel buttons are re mapped to the various functions as described in the follo
3. 2 3 TRILL Pressing this button will activate the PA system and play the trill sound until the TRILL button is pressed again The button will light up while this function is activated 2 2 4 PLAY Pressing this button will play the pre recorded message through the PA system The message will play over and over again until the PLAY button is pressed again The button is lit while this function is active 2 2 5 AUX IN The auxiliary input is a 1 8 jack allowing an external audio source such as an player to be played through the PA system or to be recorded on the A790 s message recorder 2 2 6 PA Pressing this button will activate the PA system and route audio from the auxiliary input to the PA Pressing the button again will switch off the auxiliary audio and deactivate the PA system The button will light up while this function is activated 2 2 7 REC Pressing this button once arms the message recorder causing the button to blink If the button is pressed again within 4 seconds audio from the auxiliary input will be recorded until the REC button is pressed a final time 2 2 8 ON OFF VOL The volume knob adjusts the volume level of the audio going to the PA system only and does not affect the sidetone level to the headset 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 pan
4. Technisonic does not possess an STC Approved aircraft types are listed in the attachments to the formal STC documents These STCs are the exclusive property of Technisonic and require the written authority of Technisonic for their use To assist Factory Authorized Technisonic Dealers in the certification process we have placed copies of our Canadian and US STCs on our web site along with a letter of authorization for their use These documents may be downloaded and used as support for the technical submission to 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 TECHNISONIC INDUSTRIES LIMITED www til ca TABLE OF CONTENTS SECTION TITLE PAGE SECTION 1 GENERAL DESCRIPTION 1 1 INTRODUCTION 1 1 1 2 55 nne 1 1 1 3 PURPOSE OF XEQUIPMENT sccsctcseveshvestve seve sededuvegevesseteteranesategesegeterapetatapapaseyedueeers 1 1 1 4 MODEL VARIATION 1 1 1 5 TECHNICAL CHARACTERISTICS 1 2 SECTION 2 OPERATING INSTRUCTIONS 2 1
5. invoke this function to exit this feature simply power off the unit and start again 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 O9RE409 Rev D 3 2
6. RIPTION 1 1 INTRODUCTION The following document covers both the operation of the A790 Loud Hailer Controller 1 2 DESCRIPTION The A790 is designed to work in conjunction with a high power public address system such as the Power Sonics Model PSAIR22 1 3 PURPOSE OF EQUIPMENT The A790 Loud Hailer Controller is designed to control an airborne public address system adding features such as pre recorded sounds and messages 1 4 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 TiL O9RE409 Rev D 1 1 TECHNISONIC INDUSTRIES LIMITED www til ca 1 5 TECHNICAL CHARACTERISTICS Characteristics Specification Mic Audio input 0 145vrms 10 dBm nominal Audio output 2 1vrms 8 7dBm max 9 6000 Physical Dimensions Approx 5 6 X 1 125 X 5 75 Weight Approx 13 4 oz 375 g Mounting Panel Mount via Dzus fasteners Operating Temperature Range 30 C to 70 Power Requirement Voltage Current 28 0 VDC 1596 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 O9RE409 Rev D 1 2 TECHNISONIC INDUSTRIES LIMITED www til ca SECTION 2 OPERATING INSTRUCTIONS 2 1 FEATURES The A790 provid
7. el This will also happen if power to the unit is lost for some other reason 2 3 OPERATION Covered below are step by step instructions for each feature of the A790 2 3 1 PA ANOUNCEMENT FROM THE HEADSET MIC The MIC rotary switch has 3 positions e Select the PA on the aircraft audio panel if in a standard installation 2 e Select PA on the MIC rotary switch on the A790 e Key PTT and speak Adjust volume if necessary Note Volume control only adjusts the audio level to the PA not what is heard in the headset e Release PTT when done 2 3 2 SIREN OR TRILL ANNUNCIATION e Press the SIREN or TRILL button as desired e Press the previous button again to stop the annunciation A790 Operating Instructions TiL O9RE409 Rev D 2 3 TECHNISONIC INDUSTRIES LIMITED www til ca 2 3 3 PLAYING A PRE RECORDED MESSAGE Press the PLAY button Adjust volume as necessary The message will continue to repeat Press the PLAY button again to stop the message 2 3 4 RECORDING A MESSAGE Select the PA on the aircraft audio panel if in a standard installation 2 Select REC on the MIC rotary switch on the A790 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 The input will accept either a mono or stereo plug Press the PA button Start the audio source
8. es the following features to an airborne PA system installation The user can use the PA system directly with the headset mic A message can be pre recorded in the A790 to be played over the PA system A siren or a trill sound can be played through the PA An auxiliary input jack allows for an input from an external source such as an MP3 player to be routed to the PA system or to the A790 message recorder PA BUTTON ROUTES AUXILIARY INPUT AUDIO MIC INPUT ROTARY SWITCH TO THE PA SYSTEM SELECTS WHICH FUNCTION MIC AUDIO GOES TO PLAY BUTTON RECORD BUTTON FOR PLAYS PRE RECORDED RECORDING MESSAGES FROM MESSAGE TO THE PA THE AUXILIARY INPUT YT mic Ax V oL tenet e SIREN D OFF Technisonic SIREN BUTTON TOGGLES SIREN SOUND ON THE PA ON OFF VOLUME KNOB CONTROLS AUDIO LEVEL AUXILIARY AUDIO INPUT JACK TO THE PA SYSTEM TRILL BUTTON TOGGLES TRILL SOUND ON THE PA FIGURE 2 1 A790 Operator s Controls and Indicators A790 Operating Instructions TiL O9RE409 Rev D 2 1 TECHNISONIC INDUSTRIES LIMITED www til ca 2 2 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 This is would be standard installatio
9. mu A790 LZ LOUD HAILER CONTROLLER RADIO _ pa SIREN TRILL PLAY REC Operating Instructions TiL Document O9RE409 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 REVISION HISTORY O9RE409 1 SECTION EDITED REV PAGE DESCRIPTION DATE BY n c Original document released 17 Aug 2009 A 1 1 Added Model PSAIR42 to paragraph 1 2 19 Oct 2009 FM 2 1 Section 2 title typo corrected Installation to Operating Title page changed to reflect new document format layout Correct other typos as found in TOC and Section 2 B Added edited by column in this page 2 4 ADDED configuration mode into section 2 Para 2 4 re sequenced as paragraph 2 5 28 Oct 2010 FM C 1 1 Para 1 2 Power Sonix AIR42 model number added in Rev A above should be PSAir22 not PSAIRA2 D Sect 2 Para 2 4 moved to Sect 3 Sect 3 updated description of configuration Mode 20 Mar 2012 FM This page left intentionally blank INFORMATION NOTES ESD CAUTION This unit contains static sensitive devices Wear a grounded wrist strap and or conductive gloves when handling printed circuit boards WARNING Changes or modifications not expressly approved by Technisonic Industries could void the user s authority to
10. n recommended HEADSET MIC A790 LOUD HAILER RADIOS AND NAV AND PTT CONTROLLER R AUDIO CONTROLLER gt SYSTEMS PUBLIC ADDRESS SYSTEM FIGURE 2 2 Configuration 1 Special HEADSET MIC A790 LOUD HAILER PUBLIC ADDRESS AND PTT lt lt AUDIO CONTROLLER H CONTROLLER SYSTEM gt RADIOS AND SYSTEMS FIGURE 2 3 Configuration 2 Standard 2 2 1 MIC ROTARY SWITCH The MIC rotary switch has 3 positions e RADIO The radio position is only used in special configuration 1 and allows the user to operate radios and equipment through the aircraft audio panel e PA Switching to the PA setting connects the mic and the PTT line to control the PA system This is the normal position of this switch when installed in the standard configuration 2 e REC Setting the rotary switch to this position routes the mic audio and PTT line to the A790 s internal message recorder Pressing PTT starts the recording and releasing PTT will stop the recording This setting works the same in configuration 1 or 2 A790 Operating Instructions TiL O9RE409 Rev D 2 2 TECHNISONIC INDUSTRIES LIMITED www til ca 2 2 2 SIREN Pressing this button will activate the PA system and play a siren sound until the SIREN button is pressed again The button will light up while this function is activated 2
11. 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 240 Traders Boulevard Mississauga Ontario 147 1W7 Tel 905 890 2113 Fax 905 890 5338 SUMMARY OF DO 160C Summary of DO 160C Environmental Testing for Technisonic Model A790 Loud Hailer Controller CONDITIONS SECTION DESCRIPTION OF CONDUCTED TESTS Temperature and Altitude 4 0 Equipment tested to categories C4 and D1 Vibration 8 0 Equipment is tested without shock mounts to categories B M and N Magnetic Effect 15 0 Equipment is class Z Power Input 16 0 Equipment tested to category B Voltage Spike 17 0 Equipment tested to category B RF Emission 21 0 Equipment tested to category Z INSTALLATION APPROVAL NOTE Presently no TSO standard exists for airborne loud hailer equipment To make it easier for installation agencies to provide their customers with an approved installation supported by an effective Airworthiness Approval Technisonic has secured Supplemental Type Certificate STC Approvals both US and Canadian on its Airborne products for many helicopters currently being delivered in the US and Canada as well as a number of single engine fixed wing aircraft The above referenced DO 160C test data is also on file and available from Technisonic to support approval requirements in airframes for which
12. wing sections 3 2 1 SIREN Select the Backlight Voltage The MIC rotary switch has 3 positions Pressing the SIREN button will toggle the configuration of the A790 backlight system to work with either 28 VDC or 5 VAC systems The button is lit to indicate 28V configuration and unlit to indicate 5V configuration Factory default is 28V 3 2 2 TRILL Select the Amplifier Test Pressing the TRILL button toggles the amplifier test tone feature between enabled or disabled When enabled the unit will produce a three second test tone each time the unit is powered up As of this writing only the Powersonix Inc PA systems are known to support this feature Ensure that you know if this feature is supported before enabling it The button is lit when the test tone is enabled Factory default is disabled 3 2 3 PLAY Set the Side tone Level Pressing the PLAY button toggles between set or store the side tone level When the button is lit the unit is in side tone set mode the side tone level can be set using the volume knob When the button is pressed again to unlit the setting will be stored into memory A790 Operating Instructions TiL O9RE409 Rev D 3 1 TECHNISONIC INDUSTRIES LIMITED www til ca 3 2 4 PA Select the wav File Loader NOTE This is NOT a user function Pressing the PA button starts the wav file loader All functions of the wave file loader are controlled via an externally connected computer No harm will occur if you accidentally
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