Specifications
  VDPC174 Rev 01 
15.03.2010  ©Velleman nv 
5
5. Operation 
a.  Operation 
•  General 
The VDPC174 allows you to program 12 scanners with 16 DMX channels each, 30 banks of 8 
programmable scenes, 6 chases of 240 scenes and all this by means of 8 channel sliders, a 
joystick and other buttons. By means of the joystick you can easily and more accurately control 
the movement of a fixture. To increase your ability to dazzle the audience, this unit allows you to 
assign and reverse DMX channels. In addition, two units can set up communication so that they 
can send or receive a complete file dump. 
•  Display Information 
The LCD display contains a maximum of 2 lines, each of 8 characters. Below are the definitions: 
LCD Display  Description 
Scene 1 
Bank 1 
Chase 1 is activated 
The ninth step of a chase 
DMX value (000 ~ 255) 
The current speed is 1 minute and 54 seconds 
The time of the last two taps is 4.25 seconds 
Assign DMX channels 4 and 5 
Reverse DMX channels 10 and 13 
b. Setup 
•  Unit Setup 
The unit is preset to allocate 16 channels per fixture. In order to assign your fixtures to the 
scanner buttons located on the left side of the unit you will need to space your fixtures 16 DMX 
channels apart. 
Use the following chart for DMX addressing: 
Fixture 
Number 
Digital DMX Address  Scanner DIP Switch Setting 
1  1  1 is ON 
2  17  1 and 5 are ON 
3  33  1 and 6 are ON 
4  19  1, 5 and 6 are ON 
5  65  1 and 7 are ON 
6  81  1, 5 and 7 are ON 
7  97  1, 6 and 7 are ON 
8  113  1, 5, 6 and 7 are ON 
9  129  1 and 8 are ON 
10  145  1, 5 and 8 are ON 
11  161  1, 6 and 8 are ON 
12  177  1, 5, 6 and 8 are ON 
•  Enabling the PROGRAM Mode 
To enable the PROGRAM mode, hold the PROGRAM button for a few seconds until the LED is lit. 
•  Setting Up the Joystick 
1.  Press and hold the PROGRAM button until the LED is lit. 
2.  Press and hold the MODE and FINE buttons simultaneously. The assign LED should light. If the 
reverse LED lights, press FINE and MODE again to enter the ASSIGN mode. 
3.  Use the bank UP and DOWN keys to select the axis you wish to assign (pan or tilt). 
4.  Use the TAP / DISPLAY button to select 16 or 8-channel mode. 










