Operation and setting
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IRDH375_D00124_05_M_XXEN/01.2020
Activating the TEST button starts the
ISOMETER® self test.
Pressing the RESET button resets insula-
tion fault alarm messages stored in the
ISOMETER®. The memory function is only available after activating the fault
memory in the ISO SETUP menu or after bridging the terminals R1/R2. Further-
more, the ISOMETER® can only be reset when the present insulation value is
25 % higher than the set response value.
The menu system is called up by pressing the MENU key.
For controlling the menu system, the arrow keys, the ENTER key and the ESC
key are used:
Up key:
Moving up in the menu, increasing a parameter
Down key:
Moving down in the menu, reducing a parameter
ENTER key
Selecting a menu item or sub menu item, confirming or stor-
ing a parameter change and going back to the associated sub
menu item or going to the next input area.
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