4. Control elements
See fold-out page
1 LCD display
2 LOCK button for permanent insulation measurement
3 H OLD button to "freeze" the current display and MAX/MIN button to display min. and max. values
4 TEST button for insulation measurement
5 Rotary switch
6 LIGHT button to turn on the backlight and ZERO function
7 Attachment point (for holding strap etc.)
8 Fold-out tilt stand
9 Battery compartment
10 Red measuring socket "VΩ" (positive potential)
11 Black "COM" measuring socket for earth potential or negative potential
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