Hardware Lock - Microsensor MPM4881 Operation Manual

But due to working site application, user may need to switch the
analog output into another, please make sure to disconnect the
controller with other equipments; After switching the analog
output, please make sure the following equipments change
output into suitable types to match with controller. Wrong electric
connection may damage the controller as well as other
equipments.
（2）If user want to switch the analog output, please open the
front panel first, then switch the white dial on upper left of base
board to correct position (I: 4 mA~20mA DC current output; V:
0V~0V DC voltage output). Then press button P1 and H1 at the
same time ,enter the Basic Settings Menu , choose "+" or "-" at
"OUTP" to set analog output value (MAMP: 4mA ～ 20mA DC
current output, VOLT: 0V～10VDC output)
Note: please make sure the output is consistent with the
switch dial on the base board, otherwise, the output signal will
not be accurate.

8 Hardware Lock

In order to prevent non-professional operator from
operating or setting the controller wrongly, the controller is
equipped with hardware lock at the back of front panel. When
professional operator finish setting the controller, please open
the front panel, switch the red dial to "LOCK", then screw the
panel tightly again. Under such situation, non-professional
operator can only set relay switch point, hysteresis. Other
advanced settings are not available for setting. If professional
14