Dove Lighting Systems DimmerMaster Manuale d'uso - Pagina 10

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DMX termination may be made on the DIP switch 1 on the circuit board. Signal reflections
can cause corruption of the DMX-512 data, typically causing flickering or flashing of lights in
systems with long (>100 ft total) cable runs. Only the last pack in the chain should have
termination enabled.
In addition to DMX termination (DIP1), the DIP switches 3 through 6 set individual channels
(1-4 receptively) for non-dim (full on or off) operation. The DM124 ignores DIP4-6. In non-dim
mode, the dimmer forces that channel on when it receives a DMX value of 50% or more and
turns the channel off when it receives a DMX value less than 50%.
The Emergency On function, DIP2, forces all outputs on regardless of the control level — an
easy first step when troubleshooting.
If the external Force On (Terminal 12 of the control terminal block) is connected to other
dimmer packs, they will also be turned on. However, this would be a very unusual condition
since the DIP Switches are not accessible when the Wall Mount DimmerMasters are fully
installed in their enclosures.
A review of the following paragraphs may save you the cost of a service visit or of shipping
and repair. Even if something is still wrong, this process will help you explain the malfunction
to the service technician.
First, read the operating instructions carefully. Be sure you know how to operate the
equipment. Do not expect this equipment to operate exactly like others. Many apparent
failures result from not being familiar with the unit's operating characteristics.
Check all lamps and wiring for shorts that can cause damage to the dimmers.
There are three forms of malfunctions common to solid state dimmers:
•
"Failed Off" (in which the lights do not come on)
•
"Failed On" (in which the lights are on only)
•
"Flickering" (where the levels will not maintain)
WALL MOUNT SHOEBOX - USER MANUAL

DMX Termination

Non-Dim & Emergency On Functions

In Case of Trouble

Troubleshooting

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