Videotec SM82A - Manual (Page 39)

Page 1 MNVCSM42A_0408
INDEX
1 INTRODUCTION .......................................................................................................................................................3
1.1 Contents of the package .....................................................................................................................................3
1.2 Contents of this Instruction Manual.....................................................................................................................3
1.3 Typographical conventions .................................................................................................................................3
1.4 Safety rules .........................................................................................................................................................4
1.5 Identification data ................................................................................................................................................4
2 SM42A / SM82A MATRIX DESCRIPTION ...............................................................................................................5
2.1 Specifications ......................................................................................................................................................5
2.2 Connectable devices...........................................................................................................................................5
3 INSTALLATION ........................................................................................................................................................6
3.1 Preliminary operations ........................................................................................................................................6
3.1.1 Opening the package.....................................................................................................................................................6
3.1.2 Checking the markings ..................................................................................................................................................6
3.2 Installation example ............................................................................................................................................6
3.2.1 Cables............................................................................................................................................................................7
3.3 Switching on and off............................................................................................................................................7
3.4 Configuration.......................................................................................................................................................8
3.4.1 Opening and closing ......................................................................................................................................................8
3.4.2 Dip-switches and jumper................................................................................................................................................8
3.4.3 Inserting the load on the AUX line..................................................................................................................................9
Setting 75 Ohm video input termination..................................................................................................................................9
3.5 Connectors and connections.............................................................................................................................10
3.5.1 Connectors on the back of the matrix ..........................................................................................................................10
Pin configuration for DB15 ....................................................................................................................................................10
3.5.3 Connections for alarm management ............................................................................................................................11
3.5.4 Connecting the matrix to the peripherals .....................................................................................................................11
4 MATRIX OPERATING FEATURES ........................................................................................................................15
4.1 Video input management ..................................................................................................................................15
4.1.1 Automatic switching sequences...................................................................................................................................15
4.1.2 Manual selection..........................................................................................................................................................15
4.1.3 Using the Inc/Dec keys ................................................................................................................................................15
4.1.4 Output video dedicated to the VCR..............................................................................................................................15
4.2 Alarms ...............................................................................................................................................................16
4.2.1 Alarm contact types .....................................................................................................................................................16
4.2.2 Alarm type....................................................................................................................................................................17
4.2.3 Alarm condition reset ...................................................................................................................................................17
4.2.4 Alarm recognition enabling ..........................................................................................................................................17
4.3 Actions on alarms..............................................................................................................................................18
4.3.1 Action to switch videos.................................................................................................................................................18
4.3.2 Action to reposition telemetry.......................................................................................................................................18
4.3.3 Changing the actions ...................................................................................................................................................18
4.4 Excluding video inputs ......................................................................................................................................19
4.4.1 How to exclude the video inputs ..................................................................................................................................19
4.5 Auxiliary line ......................................................................................................................................................21
4.5.1 Control keyboard configuration ....................................................................................................................................21
4.5.2 Video multiplexer control..............................................................................................................................................21
4.5.3 Telemetry receiver control and domes.........................................................................................................................21
4.6 Telemetry protocol ............................................................................................................................................22
4.6.1 Configuring the dome...................................................................................................................................................22
4.6.2 Configuring the switcher/matrix....................................................................................................................................22
4.6.3 Configuring the keyboard.............................................................................................................................................22
4.7 Telemetry transmission on the coaxial cable ....................................................................................................23
5 ON SCREEN MENU (OSM) PROGRAMMING.......................................................................................................24