Light Management
Pushbutton control unit
Ref.-no.: 1240 STE
R3
Operating Instructions
Pushbutton control unit
1. Safety instructions
Attention: Electrical equipment must be installed and fitted by
qualified electricians only. Not suitable for safety disconnection.
Switching off the device does not isolate the load electrically from
the mains. To prevent electric shocks, always shut off the mains
supply before working on the pushbutton control unit or before
replacing the lamp. The settings of the device may only be changed
by qualified electricians. Unqualified work involves the risk of
electric shocks. Non-observance of the safety instructions may
cause fire or other hazards.
2. Function
Pushbutton control unit for switching and dimming of electronic ballasts or
TRONIC transformers with 1-10V interface. Switching and dimming
commands are given by actuating the attachments for the pushbutton
control units, extension units or radio-control transmitters. The
pushbutton control unit works with the double-button principle, i.e. the
pushbutton surface has an upper contact („brighter“‘) and a lower contact
(„darker“). The lamp is switched on and off via the load line and dimmed
via the 1-10V interface. The present instructions describe the functions
for use with the manual short-stroke key. The functions available with
other attachments or radio-control devices are set out in the
corresponding operating instructions.
Operation when the device is off:
Brief depression (less than 400 ms):
UPPER pushbutton or LOWER pushbutton or both: ON.
Long depression (longer than 400 ms):
UPPER pushbutton: dimming from minimum to maximum brightness.
LOWER pushbutton: switching on at minimum brightness.
Stand: Mai-07 325 391 03
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