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A slave unit may also be synchronously con-
trolled in a mirror-inverted way with regard to
the master unit . For this, the pan and tilt direc-
tions can be inverted (
8 DMX Controller
DMX is short for digital multiplex and allows
for the digital control of multiple DMX units
via a common control line . For operation via a
DMX light controller (e . g . DMX-1440 or DMX-
510USB from IMG STAGELINE), the LED spot-
light is equipped with 13 DMX control channels .
If not all control options are re quired or if the
controller does not provide 13 control channels,
the WASH-42LED may be switched to 8 DMX
control channels . Please refer to chapter 10 .1
for more information on channel functions and
DMX values .
8.1 Connection
For DMX connection, 3-pole XLR jacks with the
following pin configuration are provided:
Pin 1 = ground, pin 2 = DMX−, pin 3 = DMX+
For connection, use special cables for DMX
signal transmission (e . g . cables of the CDMXN
series) . For cable lengths exceeding 150 m or
when controlling more than 32 units via a sin-
gle DMX output, it is generally recommended
to insert a DMX level matching amplifier (e . g .
SR-103DMX) .
1) Connect the control INPUT (5) to the DMX
output of the light controller or to the DMX
output of another DMX-controlled unit .
2) Connect the control OUTPUT (6) to the con-
trol input of the following DMX-controlled
unit . Connect the output of this DMX-con-
trolled unit to the input of the following unit
etc . until all DMX-controlled units have been
connected in a chain .
3) To prevent interference in signal transmission,
in case of long cables or a multitude of units
connected in series, terminate the control
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) to
the output jack .
☞
chapters 9 .1 and 9 .2) .
8.2 Setting the number of
DMX channels
To operate the spotlight with a light controller,
the DMX start address (
the number of DMX channels must be set . The
number of DMX channels depends on the func-
tions required and possibly on the number of
control channels that are available at the light
controller . Please refer to chapter 10 .1 for more
information on the functions that are provided
for 8- and 13-channel mode, and then select the
number of DMX channels accordingly:
1) Press the button MENU repeatedly until the
display indicates
2) Use the button UP or DOWN to select:
:
8 DMX control channels
: 13 DMX control channels
3) Press the button ENTER .
8.3 Setting the start address
For separate control of all DMX units connect-
ed 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
controller via DMX address 5, for example, set
the start address on the WASH-42LED to 5 . All
other DMX channels of the spotlight will be au-
tomatically assigned to the following addresses .
1) Press the button MENU repeatedly until the
display indicates
start address) .
2) Press the button ENTER .
3) While the first character on the display flash-
es, use the buttons UP or DOWN to set the
start address desired (
4) Press the button ENTER .
After the start address has been set, the spotlight
can be operated via the DMX controller . A dot
on the right-hand side of the display flashes to
indicate that control signals are being received .
Note: Even if the address desired is already in-
dicated in step 1), press the button ENTER twice
to have the spotlight controlled via DMX .
☞
chapter 8 .3) and
or
.
(xxx = current DMX
to
) .
15
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