ABB 6550-500 Manual De Instrucciones página 51

Operation
To switch off: Touch the Operating Element briefly: The
Operation in Parallel (Extension)
Actuate the Operating Element of the Extension: All
Memory Pushbutton Controllers will be switched, or
dimmed, simultaneously via the Extension.
Lighting systems can also be operated with uniform
brightness values:
● Hold down the Operating Element of the Extension for
approx. 10 seconds: The lighting systems will be
adjusted to the maximum brightness value and can
then be operated "synchronously".
brightness value last set will be noted and
the lighting system switched off.
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