Logitech G305 Guide D'installation page 6

6 FULLY PROGRAMMABLE BUTTONS
1
Left (Button 1)
2
Right (Button 2)
3
Wheel click (Button 3)
4 Forward (Button 4)
5
Back (Button 5)
6
DPI cycle (Button 6)
7
On/Off switch (bottom of mouse, not programmable)
1
4
5
6 ENGLISH
2
3
6
7