2) Key and LED Configuration
LED Information
No
LED type
Alarm
①
Batt/SP
②
Ir
③
Isd/Ii
④
Ig/I▵n
⑤
COMM
⑥
Key Configuration
No
ⓐ
ⓑ
ⓒ
ⓓ
ⓔ
ⓕ
Trip Relay Setting
N type Key / LED
LED Indicating an overload (Turn on above 90%, Blink above 105%)
Self-Protection LED and Battery test LED
LED Indicating long-time delay
LED indicating short-time or instantaneous tripping
LED indicating ground-fault
LED indicating Communication
Type of button
Menu
TAP
Up cursor
Down cursor
Enter
Reset/ESC
A, P, S type Key / LED
Operational mode
Measurement display → Menu Display,
Menu display → Measurement Display
Maintain the active display
Move the cursor up on screen or increment a setting value
Move the cursor down on screen or decrement a setting value
Enter into secondary menu or setting input
Reset errors or ESC from menu
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GCB800/1200
MCP, MCS type Key / LED
Function