Circutor RGU2 Series Uživatelský manuál Strana 19

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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
RESET
BLON (N appears ashing)
Unlocked keyboard.
BLOY (Y appears ashing)
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 oating message will appear on the display to show that it is
protected if it is pressed.
19
Instruction Manual
RGU-2 Earth Leakage Relay
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