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Optimizing Video — An Overview
After the input and output connections have been completed, both the MLS 608 D and
the MTP/HDMI U R need to be congured to optimize the video.
Setting the Peaking and Level on the MTP/HDMI U R
Image sharpness is adjusted with the Peaking control. This applies only to the analog side
of the device. Increased peaking compensates for mid- and high-frequency detail loss.
Minimum setting (full counterclockwise) is zero peaking.
Image brightness is adjusted using the Level control.
NOTE: To avoid possible video loss due to errors in the video format detection, the
user should always start with minimal level and peaking, then only increase
values as required.
To adjust level and peaking between the MLS 608 D and the
MTP/HDMI U R receiver:
1. Connect an oscilloscope (preferred) or a monitor (acceptable) to the RGB output of
the MTP/HDMI U R receiver.
2. If using an oscilloscope, apply a white field test pattern to inputs 1, 2, or 3 on the
MLS 608 D. The Extron VTG 300 or VTG 400 is recommended to provide the test
pattern.
3. If using a monitor, apply a grayscale or color bars test pattern to the input.
NOTE: The signal applied should be an RGB signal.
4. Observe the oscilloscope (or monitor) with a critical eye while you adjust the front
panel input level and peaking controls to compensate for signal loss between the
MLS 608 D and the MTP/HDMI U R.
If using Input 4 on the MLS 608 — setting level and peaking via software
Follow the steps 1 to 3 as given in “To adjust level and peaking....” above:
1. Start the DSP Configurator software program and connect to your device. See the
DSP Configurator section for software installation details.
2. Click View>Video I/O (or press <F4>); this changes the
window to the MLS workspace view. Double click on the MTP
on the Input 4 (left) side of the workspace view. The Input MTP
Settings dialog box appears (see image at right).
3. Observe the oscilloscope (or monitor) with a critical eye and
adjust the level using the slider. Adjust the peaking by using
the up and down arrows. Disconnect test equipment when
finished.
MLS 608 D Series • Operation 40