Maintenance
Cleaning
When cleaning the control unit bear in mind that the front of the control unit is plastic, and the display panel and lid are glass.
Disconnect the power cord before cleaning the unit.
Note: Do not use abrasive cleaners on any part of the control
unit.
To clean the case, display panel, and keypad
●Use a slightly damp cloth.
Ensure that no water is allowed to get inside the case, and do not reconnect the power until you are certain that the control unit is completely dry.
To clean the audio and video connections
The audio and video sockets on the rear of the control unit are
reconnect the plugs at least once a year. A proprietary contact cleaner can be used to some advantage.
To change the mains fuse
Fuse
Spare
●Remove the mains connector, and pull out the drawer next to the power input to access the fuses.
Before replacing a blown fuse, if possible ascertain the cause of the failure.
The fuse drawer includes a spare fuse. This should be replaced by one of the same rating.
Setting up the Control Unit
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