the third DMX unit etc. until all DMX-con-
trolled units have been connected in a chain.
If the DMX connection cables between
the units are too short when interconnecting
multiple ODC-100 / RGB spotlights, use suit-
able extension cables, e. g.
ODP-34DMX
length: 2 m or
ODP-34DMX / 10 length: 10 m
3) To prevent interference in signal transmis-
sion, in case of long cables or a multitude of
units connected in series, terminate the DMX
output of the last DMX unit in the chain with a
120 Ω resistor (> 0.3 W): Connect a corre-
sponding terminating plug (e. g. DLT-123 from
“img Stage Line”) to the DMX output jack.
The easiest way to terminate the DMX out-
put of the ODC-100/RGB is to separate an ex-
tension cable ODP-34DMX and to connect the
resistor to the pins 2 and 3 of the plug. Con-
nect the plug with the resistor to the inline jack
of the cable DMX OUT. If no terminating re-
sistor is required, screw the protective cover
provided onto the inline jack of the cable.
4.3.2 Setting the number of DMX channels
To operate the spotlight with a light controller,
the DMX start address (
chapter 4.3.3) and
the number of DMX channels must be set. The
number of DMX channels depends on the func-
tions required and may also depend on the num-
ber of control channels that are available at the
light controller. Please refer to chapter 4.3.5 for
more information on the functions that are pro-
vided for 3-, 4-, 5- and 10-channel mode, and
select the number of DMX channels accord-
ingly:
1) Press the button MENU repeatedly until the
highest menu level has been reached (on the
very left in the menu structure on pages 78
and 79).
2) Press the button UP or DOWN repeatedly
until the display indicates
.
3) Press the button ENTER. The display now
indicates the current setting:
10 channels
(
chapter 4.3.5, fig. 7)
3 channels
1 = red, 2 = green, 3 = blue
4 channels
1 = dimmer, 2 = red,
3 = green, 4 = blue
5 channels
1 = dimmer, 2 = red, 3 = green,
4 = blue, 5 = stroboscope
3 channels
1 = colour, 2 = saturation,
3 = brightness
4) Use the button UP or DOWN to select the
setting desired.
4.3.3 Setting the DMX start address
For separate control of all DMX units connected
to the light controller, each unit must have its
own start address. If the first DMX channel of
the spotlight is to be controlled by the light con-
troller via DMX address 17, for example, set the
start address on the spotlight to 17. All other
DMX channels of the spotlight will be automat-
ically assigned to the following addresses. The
following table is an example with the start
address 17:
⑤
DMX address assignment for start address 17
1) Press the button MENU repeatedly until the
highest menu level has been reached.
2) Press the button UP or DOWN repeatedly
until the display indicates
.
3) Press the button ENTER. The display indi-
cates and a number between 1 and 512.
4) Use the button UP or DOWN to set the start
address.
5) Now the spotlight can be operated with the
light controller.
If not, go to the menu item
and press
the button ENTER. If the display indicates
, use the button UP or DOWN to set the
indication to
.
Number of
DMX channels
DMX
addresses
assigned
Next possible start address
for the
succeeding DMX unit
3
17 – 19
20
4
17 – 20
21
5
17 – 21
22
10
17 – 26
27
19
English
Summary of Contents for 38.7090
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