Nicols PAR LED 1810 FCB Notice D'utilisation page 12

DMX512 Connections
The DMX512 is widely used in intelligent lighting control, with a maximum of 512 channels.
Termination reduces signal errors and avoids signal transmission problems and interference. It is always advisable to connect a
DMX terminal. (Resistance 120 ohm 1 / 4W) between pin2 (DMX-) and pin3 (DMX+) of the last fixture.
FIXTURE CLEANING :
The cleaning of internal and external optical must be carried out periodically to optimize light output. Cleaning frequency
depends on the environment in which the fixture operates: damp, smoky or particularly dirty surrounding can cause greater
accumulation of dirt on the unit's optics.
Clean with soft cloth and use normal glass to clean fluid.
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Always dry the parts carefully.
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 Clean the external optics at least every 20 days.