CIRCUTOR RGU2 Series User Manual

Page 19

5�6�4 LOCKING THE KEYBOARD

The unit has a series of devices that can be used to disable the programming operations (seal-

able

PROG button). However, the PROG key can be locked with the unit's software by holding

down the

RESET and PROG keys for 2 seconds.

PROG

RESET

BLON (N appears flashing)

Unlocked keyboard.

BLOY (Y appears flashing)

Locked keyboard.

Accept with the

PROG key.

If changes have been applied, SAVE will be displayed for 3 seconds

and the unit will exit the programming screens.

If changes have not been applied or the keyboard has been inactive

during 5 seconds,

EXIT will be displayed for 3 seconds and the unit will

exit the programming screens.

When the

PROG key is locked, a floating message will appear on the display to show that it is

protected if it is pressed.

Instruction Manual

RGU-2 Earth Leakage Relay