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5522A
Operators Manual
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How to Test Video Triggers
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.
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OUTPUT @ SCOPE Indicates the location of the signal output. If the signal does
not appear on the oscilloscope, press O. To disconnect the signal, press Y.
WAVE Scrolls through the three types of waveforms that are available. You can
select a square, sine, or triangle wave as the output.
SCOPE Z Toggles the calibrator's output impedance setting between 50 Ω and
1 MΩ.
OFFSET Displays the offset of the generated wave. To change the offset, key in the
new value, and press E. Using the rotary knob does not change the offset; it
changes the actual voltage output.
When you change the offset, you must remain within certain limits to avoid clipping
the peaks. The limit depends on the wave's peak-to-peak value. Specifically, the
maximum peak excursion equals the offset plus half of the wave's peak-to-peak
value. See "Wave Generator Specifications" at the beginning of this chapter.
MODE Indicates you are in Wavegen mode. Use the softkey to change modes and
open the corresponding menus for the other four oscilloscope calibration modes.
OUTPUT @ SCOPE terminal (50Ω) 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.
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