Logitech G602 Setup Manual page 6

Features (default)
1. Wheel
2. Battery/mode indicator
3. Performance/Endurance mode switch:
Blue light for performance mode
Green light for endurance mode
4. G10=DPI+
5. G11=DPI-
6. DPI display
6 English
1 2 3
4 5 6
7. Programmable keys (in default)
7
G4=Forward
G5=Backward
G6=Battery level check
G7=1
G8=2
G9=3