Tektronix VM700T, User Manual

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Configuring the VM700T Video Measurement Set
VM700T Option 01 (NTSC) & Option 11 (PAL) User Manual
2- 19
When the VM700T Video Measurement Set is shipped, all three channel
parameters and the Timed Events parameter are set to System Default.
For a dual-standard measurement set (those equipped with both Option 01,
NTSC, and Option 11, PAL), the Source_Selection~Video file is a little different.
For each channel, it indicates the current standard in effect, along with a separate
file from the Video_Source~Files directory for each of NTSC and PAL.
When the NTSC standard is in effect, the file listed under the NTSC column is
used; when the PAL standard is in effect, the file listed under the PAL standard is
used. To change the standard in effect for a channel, rotate the control knob until
that channel’s line is highlighted (intensified), then select the entry under the
“Video Std.” column by touching it. Rotate the control knob until the desired
standard appears. Touch the Update & Exit soft key to enter the change into the
file.
In Figure 2--8, the current video source (as indicated by the front-panel Source
button) determines which entry is read from the Source_Selection~Video file.
This, in turn, determines which file is read from the Video_Source~Files
directory. This file determines which files are used to get operating information
from each of several directories.
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