The threshold is effectively a
noise filter that differentiates
between valid video signals
and background noise or
interference. This has the effect
of reducing unnecessary video
signals between the MC5
and the remote system, thus
improving performance.

Phase

The phase setting adjusts the
alignment of the host video
output and the remote system
video display to achieve the
sharpest image.

Horizontal Position

Determines the horizontal
position of the host screen
image within the viewer
window.

Vertical Position

Determines the vertical position
of the host screen image within
the viewer window.

Brightness & Contrast

The red, green and
blue constituents of the
brightness and contrast
can be set individually.
Alternatively, use
the Auto button
on the right side to
automatically optimise
these for the current
host and connection
speed.

Calibrate All

Click to
determine the
optimum settings
for all aspects of
video the video
connection from
the host system.

Display activity

Indicates the level
of video activity
currently in
progress.

Using automatic configurations

• Every setting can be individually subjected to an automatic configuration

(click the appropriate ‘Auto’ button) or can also be manually adjusted.

• Use the ‘Calibrate All’ button to automatically determine the optimum

settings for all items.

Note: Before using the ‘Calibrate All’ option, if possible, remove on-screen

display (OSD) elements generated by the MC5-IP or any other connected
KVM switches (such as a host name label or menu). These OSD elements use
different video rates to those of the host system(s) and can affect the setting
of the automatic threshold value. MC5-IP uses an improved calculation
procedure to filter out the effect of these elements. However, best results
are obtained when the screen contains only host system information.

Note: To maximise performance, the threshold level is automatically

increased by 50% when a slow link is detected.

Note: When the MC5-IP is used with one or more other switches, the

threshold needs to be higher than 32 due to the significant amounts of
‘noise’ that these switches introduce. The MC5-IP configuration should
detect such noise and adjust the threshold accordingly.

Setting the Threshold manually
Occasionally it can be useful to manually adjust the Threshold setting, in order to
achieve a setting that best suits your particular requirements.

1 Use the ‘Calibrate All’ function to ensure that all other settings are

optimised.

2 Click the Threshold left arrow button to decrement the setting by one and

observe the ‘Display Activity’ indicator.

3 Repeat step 2 until the Display Activity indicator suddenly rises to a much

higher level (i.e. 50%). This will mean that you have reached the noise
boundary. At this point, increment the Threshold value by 2 or 3 points to
achieve an optimum setting.

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