User manual

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installation
operation
rter
inormation
14
Video compensation
The X-USBPRO modules include a video compensation system that allows you to
get the best results from your remote video display(s). Using this special mode
you can configure:
• Cable type - Select the type of link cable used.
• Cable length - Enter the length of the link cable.
• Video gain - Alter the signal gain for the image.
• Colour skew - Adjust the timing of each colour to fine tune the image.
• Expert mode - Please contact Adder technical support for details.
This flash sequence
indicates that you
are at Standby level
Num
Lock
Caps
Lock
Scroll
Lock
The indicators on the keyboard linked to the
remote unit will begin to flash in sequence.
Also, the green indicator adjacent to the CATx
link socket will flash.
Note: During video compensation mode, the
keyboard and any other connected USB devices
will be temporarily isolated from the computer.
1
ON
2
You are now at the standby level within video compensation mode.
From standby, you can choose which adjustments to make. Generally you
should set the cable type and cable length options first. Then, if necessary,
use the video gain and colour skew adjustments to fine tune the remote
video image.
Please see the next page for details about each adjustment >>>
When your adjustments are complete, return the unit to normal operation
as described right.
To enter video compensation mode
1 Ensure that the two X-USBPRO units are connected to the computer and
powered on. A USB keyboard must be connected to the remote unit.
2 Arrange your test images on the remote screen. Please refer to the section
Test images while compensating.
3 On the remote unit, click the miniature switch 1
to its ON position.
MS2 variants By default, all video compensation changes that you make will
affect both channels equally. If you wish to adjust the channels separately:
• Entervideocompensationmode(seeleft).Thegreenindicatorsonbothlink
sockets of the remote module will flash.
• Fromstandby,press . The keyboard indicators will alternate between
the Num Lock and Scroll Lock, and the Caps Lock. Press or to select
the primary or secondary video display, respectively. The green indicator
of the link socket corresponding to the chosen video channel will flash
(lower=primary, upper=secondary), the other will remain on.
• Maketherequiredcompensationchangestothechosenvideochannel
using the techniques described below.
• Toreturntousingbothchannels,fromstandby,press and then press
The green indicators of both link sockets will flash.
To exit video compensation mode (return to normal operation)
1 Ensure that you are at standby level by exiting from any adjustment options.
2 On the remote unit, return the miniature switch 1 to its OFF position.
All USB devices will be reconnected to the computer and normal operation
will continue.