How do I change the backlight modes?

Backlight modes (Fig. 01) can be changed by pressing FN Key and one of the following keys: INS, HOME,  END, DEL .

Fig. 01 / Retro Classic USB Backlight Mode.

Backlight On (Fig. 02): FN + INS.

Turn the backlight on.

Fig. 02 / Backlight On (Ins).

Backlight OFF (Fig. 03): FN + END.

Turn the backlight off.

Fig. 03 / Backlight Off (End).

Reactive Mode (Fig. 04): FN + Home.

Lights up upon actuation and stays momentarily for a trailing effect.

Fig. 04 / Breathing Mode (Del).

Breathing Mode (Fig. 05): FN + DEL.

Rhythmically fade in and out creating a calm and tranquil backlighting effect.

Fig. 05 / Reactive Mode (Home).