GC310, GC350, GC500, GC500Plus and GC500Mains User’s Manual 5
11 buttons (1a, 1b, 1c).
LED indicators (2a, 2b, 2c).
12 buttons (1a, 1b, 1c).
LED indicators (2a, 2b, 2c).
KEY GC500Plus
1 - Buttons
2 - Indicators
KEY GC500Mains
1 - Buttons
2 - Indicators