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System setup
Warning! Read "Safety information" on page 6 and "Precautions to avoid damage" on page 10
before applying power to an VDO Dotron installation.
Setting up for P3 display
A Martin® P3 system allows video to be displayed on an installation that consists of or includes VDO Dotron
dots. When a P3 controller is connected to the data link and the installation is powered on, you can set up all
the devices on the link from the P3 controller. See the P3 controller user manual for details.
Setting up for DMX control
A DMX system gives 0 - 100% variable intensity control. Varying the intensity of red, blue and green LEDs in
RGB products gives RGB color mixing.
You can set up and control an VDO Dotron installation over the data link using an RDM-compatible DMX
controller such as the Martin® M-PC Windows application (running on a PC connected to a USB/DMX
interface such as the Martin® M-DMX Interface Box) or the Martin® M1 DMX/RDM control console. The
interface on the Martin® M1 monitor screen is basically identical to the Martin® M-PC interface.
DMX control channels
DMX controllers send control data to devices over DMX control channels in DMX universes. One DMX
universe has 512 channels available. Multiple dots can share the same DMX channels if you want grouped
control and identical dot behavior.
The VDO Dotron can be controlled using two DMX modes (see under "DMX protocols" on page 31):
• In RGB mode, each dot uses three DMX channels.
• In Basic mode, each dot uses ten DMX channels.
Different modes can be mixed freely in an installation. For example, some VDO Dotron dots can be set to
RGB mode and others to Basic mode. All you need to do is set up dots, DMX addresses and DMX channel
allocation correctly.
DMX addresses
To prepare an installation for DMX control, you set it up using an RDM-compliant DMX controller so that
dots or pixels receive instructions from the controller on their own DMX channels. The DMX address (also
known as the control address or start channel) is the first of these channels. An VDO Dotron dot or pixel
uses more than one channel, so it uses the DMX address channel and the channels immediately above it.
For example, one VDO Dotron dot set to RGB mode and set to DMX address 1 will use DMX channels 1 - 3.
Channel 4 will be available for use as a DMX address for the next device.
System setup
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