Introduction
2.3. Display messages
Indicator
Description
Appears on primary display Indicates the battery too low for reliable operation,
please replace battery.
Appears on Auxiliary display. Indicates the battery too low to perform Insulation test.
Preset value.
Auto power off function is disabled.
In insulation mode, indicates meter have detected the voltage on the input
terminals.
In insulation mode, indicates the meter performs the auto discharge function;
not to touch any input terminals in this mode.
Store measuring data.
Delete the selected data.
Delete all memorized data.
The upper limited value.
The lower limited value.
The limited value is invalid.
Beep function is disabled.
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