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Introduction
1
Your Tester in Brief
Table 1-5 General annunciators (continued)
Legend
Description
Auto hold/Trigger hold enabled
Polarization Index test enabled
Dielectric Absorption Ratio test enabled
Timed test enabled
Relative (Null) enabled
Smooth mode enabled
Auto-ranging enabled or Auto signal indicator enabled
Greater than range (for insulation resistance and earth-bond resistance tests)
Test and Test Lock indication for insulation resistance and earth-bond
resistance tests
Primary display
AC or DC indication
Measuring units for primary display
Test time indication for earth-bond resistance and insulation resistance tests
APO (Auto Power-Off) enabled
Limit comparison enabled
Data logging in progress
U1452A/U1452AT/U1451A User's Guide
21
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