Comp
The Comp (compare) operation allows you to perform pass/fail testing
against specified upper and lower limits. You can set the upper and lower
limits to any value between 0 and ±100% of the highest range for the
present operation.
Figure 2-5 Typical Comp operation display
When enabled, the actual readings are shown in primary display and the
comparison results such as HI, LO or PASS is shown in secondary display.
• You should specify the upper limit to always be a more positive number
• The secondary display shows PASS when readings are within the
• When the beeper is ON (see
• Press
U3401A User's and Service Guide
than the lower limit. The initial factory setting for each limit is 0.
specified limits. The secondary display shows HI when the reading is
outside the high limit and LO when the reading is outside the low limit.
beeper beeps three tones on the transition from PASS to HI or LO. When
transitioning from HI or LO to PASS, it will only beep once.
to enable Comp operation.
Operations and Features
"Using the Setup Menu"
2
on page 34), the
35