Hioki IM3570 - Page 240

5.9 Application Settings
232
If you forget the passcode, perform a full reset to restore the instrument to the factory default settings.(p. 406)
If the error indication shown on the left appears,
check the following items.
Key Lock Disable Error
Cause Remedy
was pressed before you entered the passcode.
Press and enter the passcode.
The entered passcode is incorrect.
Press and enter the passcode again.