178 X75HD/X75SD Installation and Operation Manual
Chapter 10: Special Function Buttons
Using the Bypass Function
In Bypass mode, no processing is applied to the SDI 1 In video signal;
the signal is instead passed directly to the SDI 1 Out connector that is
closest to the SDI 1 In connector. (Only one of the two SDI 1 Out
connectors provides a bypass output.)
To activate Bypass mode, press the Bypass button. From the resulting
Bypass Menu, select On or Off, and then press Enter. When the unit is
powered off, or forced by the user, this relay is not energized to pass the
signal straight through the output without any processing. The Bypass
button flashes when the Bypass mode is active.
Using the Mo/St Button Function
The Mono/Stereo button located just left of the Ctrl button changes the
audio channels control style. Pressing the Ctrl and Mo/St buttons
toggles between the mono or stereo level and delay adjustments. This
button is also mapped to the Audio Control Style parameter in the
Audio Setup>Global Audio Config menu.
In mono control style, when adjusting the audio processing parameters
such as the level, each numbered button is mapped directly to the
individual gain controls. In stereo control style, even though a single
button is pressed, both L/R channels are adjusted at the same time.
Using the Noise Reduction
When the X75HD/SD unit is equipped with the X75OPT-NR option, it
provides superior noise handling and image enhancement features on
SDTV video processing paths. Press the NR button for quick access to
the noise reduction menu.
The SDNR Insert parameter under the Video Setup>Processing>SD
NR/Enhancement menu selects a video input source to be processed
by this block. All video output groups using the video input source
selected by the SDNR Insert parameter will automatically have the SD
noise reducer inserted into their video processing paths.
Note
If you are working in either the
SD-SDI or HD-SDI noise
reducer menu, the NR button
will light up. If either of the
noise reducers is enabled, the
NR button will stay lit even if
you exit the menu. In SD-SDI,
the enabling parameter is Noise
Reduction; in HD-SDI the
enabling parameter is HD NR
Enable.
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