AudioControl BVR-25 Installations- und Betriebshandbuch - Seite 10

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your installation. When powering the BVR-25 from the

rear, it utilizes a 2-pin barrier block, which will require you

to cut off the 5mm pin connector from the provided power

supply and terminate the wires directly onto the terminals.

Please note that the striped wire is positive (+) and the solid

wire is negative (-).

Remote Powering the BVR-25 via CAT-5

The BVR-25 can also receive power over the 4th pair

of wires in a single CAT-5 cable (Blue and Blue/White)

provided you are NOT already sending an audio or video

signal over these wires. To use this option you will need to

move both Remote Power Jumpers from the "AV" position

to the "PWR" position. In addition you will need to pro-

vide 12 VDC power over the 4th pair of CAT-5 wires that

runs to the BVR-25, which usually requires stripping out

the wires from the main loom. If you are providing power

from over 100 feet it is recommended that you utilize a

larger power supply (15 VDC/500ma) to offset any power

loss from the long CAT-5. You can purchase these power

supplies from most electrical supply companies. Please

note that a switching power supply with a 3-wire AC plug

will not work correctly.

Grounding

The BVR-25, like all AudioControl balanced line prod-

ucts, is designed to offer maximum isolation from radiated

signals that can creep into the video signal path and make

your pictures look funny (we are not talking about "Ha

Ha"). By design the BVR-25 has high input impedance to

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levels are correct. While this procedure will not replace a

high level ISF type video calibration, it is a good starting

point.

Image Compensation: The Image Compensation control

on the BVR-25 equalizes the video signal to counteract the

effect of wire capacitance. In most cases the COMPENSA-

TION control should be set the same as the GAIN control.

If the GAIN control is set to the "5 o'clock" position, the

COMPENSATION control should be set the same. If the

image still appears to be too soft or too edgy, further adjust-

ing can then be done.

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