1. Safety instructions
• Please read these safety and operating instructions before putting the system into operation.
• Keep the operating instructions in a safe place for later use.
• Use only the specified power source specified on the rating label located on rear of the cabinet.
• Avoid using this unit under the following conditions: in extremely hot, cold or humid places, near appliances
generating strong magnetic fields, and in places subject to direct sunlight
• Pay attention when laying the connection cable and observe that the cable is not subject to heavyloads, kinks,
or damage and that no moisture can get in.
• The safety earth connection must have low conformity with the electrical safety regulations.
• The unit may only be opened by authorized personnel. Adjustments of the internal jumper and potentiometers
should be carried out by a qualified technician.
• Before opening the unit disconnect from mains voltage.
• Do not use an higher fuse value as it is labelled at the fuse holder.
• The warranty becomes void if repairs are undertaken by unauthorized persons.
• Unplug this unit from power supply and refer servicing to qualified service personnel under following conditions:
if the unit does not operate normally following the operating instructions, if the unit has been dropped or the
cabinet has been damaged when the unit exhibits a distinct change in performance.
• Contact your local dealer in case of malfunction.
2. General Descriptions
• The signal distributors of the VDA series provide the lossfree distribution of high frequent b&w and colour video
signals to several outputs.
• VDA-4A can distribute the input signal to up-to 4 outputs. Additional it allows for all output channels a stepless
signal amplification and pre-equalization via potentiometer.
• VDA-8CA is configurable, severall combinations exist to link the 4 inputs to the 8 outputs.
This unit allows a stepless signal amplification per output channel.
• The distributor units are contained in a stable steel metal cabinet with integrated 230 V power supply and a,
from outside accessible, mains fuse.
• All video signal are plugable via BNC sockets.
• Rack mountable using the optional 19" rack mount kit (VDA-8CA only).
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