Bender ISOMETER IRDH275 Handbuch Seite 136

ter activating the fault memory in the ISO SETUP menu or after bridging the
terminals R1/R2. Furthermore, the ISOMETER® can only be reset when the
present insulation value is 25 % higher than the set response value.
For controlling the menu system, the arrow keys, the ENTER key and the ESC
key are used:
Arrow up key:
Moving up in the menu, increasing a parameter
Arrow down key:
Moving down in the menu, reducing a parameter
44
Activating the TEST button starts the
ISOMETER® self test.
Pressing the RESET button resets insula-
tion fault alarms stored in the ISOMETER®.
The memory function is only available af-
The menu system is called up by pressing the MENU key.
Operation and setting
IRDH275_D00122_03_M_XXEN/05.2017