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Example 1: Displaying a Waveform
TDS 620A, 640A & 644A User Manual
1Ć9
2. Press the button directly below the Recall Factory Setup menu item.
The display shows side menus along the right side of the screen. The
buttons to select these side menu items are to the right of the side
menu.
Because an accidental instrument reset could destroy a setup that took
a long time to create, the digitizing oscilloscope asks you to verify the
Recall Factory Setup selection (see Figure 1Ć5).
3. Press the button to the right of the OK Confirm Factory Init side menu
item.
NOTE
This manual uses the following notation to represent the sequence
of selections you made in steps 1, 2 and 3: Press save/recall
SETUP ➞ Recall Factory Setup (main) ➞ OK Confirm Factory
Init (side).
Note that a clock icon appears on screen. The oscilloscope displays this
icon when performing operations that take longer than several seconds.
4. Press SET LEVEL TO 50% (see Figure 1Ć6) to be sure the oscilloscope
triggers on the input signal.
SET LEVEL TO 50% Button
Figure 1Ć6:ăTrigger Controls