Tektronix 211 Operator's Manual page 38

.-
,,/
'~0%
/
Point
~
v
L
i.-
10%
_ /
Po int
I
1-
Horizontal
....J
I distance I
I I
Fig. 5. Measuring risetime.
8 . Measure the horizontal distance between the 10% and
90% points. Be sure the HOR IZ MAG control is set to the
calibrated position.
9. Multiply the distance measured in step 8 by the
setting of the SEC / DIV switch.
Example. Assume that the horizontal distance between
the 10% and the 90% points is four divisions (see Fig . 5)
and the SEC /
DIV switch is set to 10 µS.
34
211-0perators Manual
®