Applent Instruments AT682 - 4.2.3 How the comparator work

4. Comparator
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3．Press Enter key to exit to DISCHARGE STATE and the setting saved.
4. Press Esc key to exit to DISCHARGE STATE and the setting without being
saved.
4.2.3 How the comparator work
Under TEST STATE, the comparator determines whether the measurement result
(displayed value) is within the upper or lower limits set by the Refer Comparator
Limit key. The comparator function is always ON. The comparison results can be
displayed on the VFD display, can be output to the handler interface, or can be
revealed by the beeper.
Comparator work flow:
Insulation Resistance:
Rx  Rrefer (Upper value) PASS Display GD
Rx < Rrefer (Upper value) FAIL Display NG
Leakage Current:
Ix  Irefer (Lower value) PASS Display GD
Ix > Irefer (Lower value) FAIL Display NG