Fluke 522A/6, Руководство оператора

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5522A
Operators Manual
10-24
How to Test Video Triggers
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The video mode generates video signals in various formats. The mode is used to test the
video trigger capability of an oscilloscope. You can press the MODE softkey to cycle
through the functions in the order shown, or you can press
P
to return directly to the
OTHER modes menu.
Each option in the VIDEO menu is described below:
•
Output @ SCOPE terminal (50
Ω
) Indicates the location of the signal output. If the
signal does not appear on the oscilloscope, press
O
. To disconnect the signal,
press
Y
.
•
LINE MK Allows you to select the marker line number. For ntsc and pal-m
formats, you can also select field (“odd” or “even”). For pal and secam formats, the
field (“ODD” or “EVEN”) is selected automatically based on marker line number.
•
FORMAT Scrolls through the available formats. You can select ntsc, pal, pal-m,
and secam.
•
MODE Indicates the calibrator is in VIDEO mode. Use the softkey to change modes
and open menus for other oscilloscope calibration modes.
Default video settings are + 100 %, format = NTSC, and videomark = 10.