TECHNISONIC INDUSTRIES LIMITED
A790 Installation Instructions TiL 09RE410 Rev. A Issue 7
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SECTION TITLE PAGE
Table of Contents .......................................................................................................... v
List of Figures ................................................................................................................ vi
List of Tables ................................................................................................................. vi
SECTION 1 INTRODUCTION B
1.1 Equipment Packing Log ................................................................................................ 1
1.2 Model Variation............................................................................................................... 1
1.3 Installation Kit – Contents............................................................................................... 1
1.4 Installation Configurations .............................................................................................. 2
1.4.1 Configuration 1 ........................................................................................................... 2
1.4.2 Configuration 2 ........................................................................................................... 3
SECTION 2 INSTALLATION B
2.1 A790 25-Pin Connector Pinouts (J1) ............................................................................. 4
2.1.1 +28 VDC – Pins 1 & 14 – Input .................................................................................. 5
2.1.2 Ground – Pins 9, 11, 19, 22, 23 & 25 ......................................................................... 5
2.1.3 Backlight – Pin 17 – Input ........................................................................................... 5
2.1.4 Microphone Audio In – Pin 3 – Input .......................................................................... 5
2.1.5 Microphone Audio Out – Pin 10 – Output ................................................................... 5
2.1.6 Auxiliary Audio In – Pins 4 & 16 – Input ..................................................................... 5
2.1.7 PA Audio Out – Pins 12 & 13 – Output ...................................................................... 6
2.1.8 Sidetone Audio Out – Pin 24 – Output ....................................................................... 6
2.1.9 PTT In – Pin 18 – Input .............................................................................................. 6
2.1.10 PTT Out – Pin 6 – Output ........................................................................................... 6
2.1.11 PA Power Control – Pins 2 & 15 – Dry Contact ......................................................... 6
2.1.12 PA Power Level Monitor – Pin 5 – Input ..................................................................... 6
2.1.13 Serial Data – Pins 8 & 21 ........................................................................................... 6
2.1.14 Control Input / Output – Pins 7 & 20 ........................................................................... 6
2.2 Mechanical Installation .................................................................................................. 9
SECTION 3 CONFIGURATION B
3.1 Invoking Configuration Mode ......................................................................................... 10
3.2 Select Backlight Voltage – (SIREN) .............................................................................. 10
3.3 Select PA Amplifier Test – (TRILL) ............................................................................... 10
3.4 Set Sidetone Level – (PLAY) ......................................................................................... 11
3.5 Select WAV File Loader – (PA) (Factory Use Only) ...................................................... 11
3.6 Exit Configuration Mode – (REC) .................................................................................. 11
SECTION 4 POST-INSTALLATION TESTS B
4.1 Initial Configuration ........................................................................................................ 12
4.2 External Audio Operation .............................................................................................. 12
4.2.1 Main Mic Audio ........................................................................................................... 12
4.2.2 AUX Audio .................................................................................................................. 13
4.3 Internally Generated Audio Operation ........................................................................... 13
SECTION 5 APPENDICES B
Appendix A – Technical Characteristics ........................................................................ 14
Appendix B – Certification Summary ............................................................................. 15
Warranty ........................................................................................................................ 16
TABLE OF CONTENTS