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Instruction Manual
RGU-10A, RGU-100A
Table 7 (Continued): Display icons.
Icon Description
The relay works with positive polarity.
 The direct adjustments "6 - DIRECT ADJUSTMENTS"  are locked. 
 The setup menu "7  CONFIGURATION" is locked and cannot be accessed.
 Go to the lock menu, "5.4 - LOCK" to change the option.
The device's display can change colour, indicating:
Blue:
Adjustment or configuration screen.
Yellow:
The pre-alarm has been activated. 
Red: 
A relay has tripped due to leakage current, see "5.2.- TRIP DISPLAY SCREENS", 
An Individual test has been carried out, see “5.3 - TEST SCREEN”.
An error has been detected, see "5.5 - ERROR SCREEN"
 
 4.4 - KEYBOARD FUNCTIONS
The RGU-10A /RGU-100A has 3 keys to browse through the different screens and program the device.
 
Function of the keys (Table 8):
Table 8: Function of the keys on display screens.
Key Short keystroke Long keystroke (3s)
 T
Previous screen  Tests the trip relay.
 R
Next screen  If there has been a trip, it resets the relay.
Access to the Lock/Unlock menu 
and device setup.
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