HP 53131A Operating Manual page 102

Chapter 2 Operating Your Universal Counter
Using the Gate & External Arm Menu Key
4 To demonstrate how to use "digits arming" to change the number of digits
displayed, perform the following steps first.
a. Press Gate & ExtArm key
GATE: TIME is displayed.
b. Press any one of the arrow keys until AUTO is displayed.
c. Press Run key.
0.1000 s is displayed. Note that fewer digits are displayed.
In "auto arming" you produce results quickly. The short gate time
produces a lower-resolution result.
5 To change the display to the better measurement resolution using digits
arming, perform the following steps:
a. Press Gate & ExtArm key
GATE: AUTO is displayed.
b. Press any one of the arrow keys until DIGITS is displayed.
c. Press Gate & ExtArm key.
DIGITS: 4 is displayed (the default number of digits)
d. To set the number of digits displayed to 8, press the appropriate arrow
keys until DIGITS:
e. Press Enter key.
f. Press Run key.
0.10000000 s is displayed. Note that 8 digits of resolution are
displayed.
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8 is displayed.
Operating Guide