Dmx-512 connection, Operation, 1 stand-alone mode with built-in microphone – Velleman VDPL1000ST User Manual

Page 5: 2 master/slave mode

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VDPL1000ST

V. 02 – 26/04/2013

5

©Velleman nv

For truss mounting, use an appropriate clamp (not incl.) and fit an M10 bolt through the centre of the
(folded) bracket.

Adjust the desired inclination angle via the mounting bracket and tighten the bracket screws.

Make sure there is no flammable material within a 0.5 m radius of the device.

Have a qualified electrician carry out the electric connection.

Connect the device to the mains with the power plug. All devices must be powered directly off a
grounded switched circuit and cannot be run off a rheostat or dimmer circuit, even if the rheostat or
dimmer channel is used solely for 0 % to 100 % switching.

The device has a power output to supply power to another device. When connecting several devices

in a daisy chain via this output, make sure that the total current does not exceed the power line’s
nominal current. Use power cables with an adequate section. If you do not use the power linking
feature, be sure to use the included screw-on cap to prevent any water from getting into the power
cords.

The installation has to be approved by an expert before the device is taken into service.

DMX-512 Connection

When applicable, connect an XLR cable to the female XLR output of a controller (not incl.) and the
other side to the male XLR input of the device. Multiple devices can be linked through serial linking.
The linking cable should be a dual core, screened cable with XLR input and output connectors.

Maximum recommended serial data link distance is 500 meters (1640 ft). Maximum recommended
number of devices on a serial data link is 32 devices.

A DMX terminator is recommended for installations where the DMX cable has to run a long distance
or is in an electrically noisy environment (e.g. discos). The terminator prevents corruption of the

digital control signal by electrical noise. The DMX terminator is simply an XLR plug with a 120 Ω
resistor between pins 2 and 3, which is then plugged into the XLR output socket of the last device in
the chain.

7.

Operation

The device can be used in the following modes:

stand-alone mode (with the built-in microphone)

stand-alone mode

sound-activated

stand-alone mode: automatic or sound-activated

master/slave

with a DMX512 controller.

7.1

Stand-Alone Mode with Built-In Microphone

In stand-alone mode, the LEDs of the device will synchronize with the music through the built-in
microphone.
To set the device to stand-alone mode:
1. On the back panel, set DIP switches 9 and 10 to ON.
2. Set all other DIP switches to OFF.

3. If necessary, set the sensitivity of the internal microphone with the sensitivity knob on the back

panel.

7.2

Master/Slave Mode

The master/slave mode allows connecting several devices to a single master device. All slave devices will
then work synchronously with the master device.
You need to set one device to master mode and all other devices to slave mode.
1. On each of the connected slave units, set the DIP switches as follows:

o

On the back panel, set all DIP switches to OFF to run in normal slave mode.

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