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Brief Procedures
2-10
TDS5000B Series Specifications and Performance Verification
H Rotating the horizontal SCALE knob clockwise expands the waveform
on-screen (more horizontal divisions per waveform period), counter-
clockwise rotation contracts it, and returning the horizontal scale to
200 s/div returns the period to about five divisions.
H The horizontal POSITION knob positions the signal left and right
on-screen when rotated.
6. Verify horizontal delay:
a. Center a rising edge on screen:
H Set the horizontal POSITION knob so the rising edge, where the
waveform is triggered, lines up with the center horizontal graticule.
H Change the horizontal SCALE to 20 s/div. The rising edge of the
waveform should remain near the center graticule and the falling
edge should be off screen.
b. Turn on and set horizontal delay:
H Pull down the Horiz/Acq menu to select Horizontal/Acquisition
Setup. . . .
H Click the Horizontal tab in the control window that displays.
H Click the Delay Mode button to turn delay on.
H Double click the Horiz Delay control in the control window to
display the pop-up keypad. Click the keypad buttons to set the
horizontal delay to 500 s, and then click the ENTER key.
c. Verify the waveform: Verify that a falling edge of the waveform is within
a few divisions of center screen.
d. Adjust the horizontal delay: Rotate the upper multipurpose knob to
change the horizontal delay setting. Verify that the falling edge shifts
horizontally. Rotate the front-panel horizontal POSITION knob. Verify
that this knob has the same effect (it also adjusts delay, but only when
delay mode is on).
e. Verify the delay toggle function:
H Rotate the front-panel horizontal POSITION knob to center the
falling edge horizontally on the screen.
H Change the horizontal SCALE to 40 ns/div (50 n s /div for
TDS5054BE). The falling edge of the waveform should remain near
the center graticule. If not, readjust the delay setting to center the
falling edge.