Toshiba GRT100 Series Instruction Manual page 71

In for neutral current
L a t e s t
P h a s e
D I F T
A u t o - s u p e r v i s i o n
D I O e r r
Press the RESET key to turn off the LCD.
For any display, the back-light is automatically turned off after five minutes.
Displays in tripping
If a fault occurs and a tripping command is initiated when the LCD is off, the "Latest fault"
screen is displayed on the LCD automatically and the red "TRIP" LED lights.
Press the VIEW key to display the digest screens in turn including the "Metering" and
"Auto-supervision" screens.
Press the RESET key to turn off the LEDs and LCD display.
If the tripping command is initiated when any of the screens is displayed, the current screen
remains displayed and the red "TRIP" LED lights.
When any of the menu screens is displayed, the VIEW and RESET keys do not function. To
return to the digest screen, do the following:
 Return to the top screen of the menu by repeatedly pressing the END key.
 Press the END key to turn off the LCD.
 Press the VIEW key to display the digest screen.
 Press the RESET key to turn off the "TRIP" LED and LCD.
Displays in automatic supervision operation
If the automatic supervision function detects a failure while the LCD is off, the
"Auto-supervision" screen is displayed automatically, showing the location of the failure and the
"ALARM" LED lights.
Press the VIEW key to display other digest screens in turn including the "Metering" and
"Latest fault" screens.
Press the RESET key to turn off the LCD display. However, the "ALARM" LED remains lit if
the failure continues.
After recovery from a failure, the "ALARM" LED and "Auto-supervision" display turn off
automatically.
If a failure is detected while any of the screens is displayed, the current screen remains displayed
and the "ALARM" LED lights.
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