Logitech G G502 Proteus Spectrum Guide D'installation page 10

Onboard profiles
The G502 has three preconfigured profiles, one
each for high sensitivity gaming, low sensitivity
gaming, and standard mouse usage. Use Button
9 (see mouse drawing) to rotate through
these default profiles. When you change profiles,
the DPI indicator lights will change color to blue
for three seconds and will indicate the new mode
as shown here:
Prof. 1 Prof. 2
10 English
Prof. 3
DPI indicators
DPI values are shown using the three LEDs
indicated in the mouse drawing. The image below
shows which DPI value is being indicated by
the LED panel.
DPI 1 DPI 2 DPI 3 DPI 4 DPI 5