Your gaming keyboard has keys that let you turn Game Mode on and off, and cycle between five fixed backlighting brightness levels.
While Game Mode is on, the Windows
, and FN
keys are disabled to prevent unwanted interruptions. To toggle between Windows and Game Mode, press FN
at the same time.
The Game Mode LED indicator lights up when the mode is active.
In addition to the Windows
, and FN
keys, you can disable other keys in Game Mode using Logitech Gaming Software (LGS) 8.98 and later. If you don’t have Logitech Gaming Software, you can get the latest version from the LGS download
page. Launch LGS, select your gaming keyboard and click the Game Mode Settings
The Game Mode Settings window appears:
Enabled keys are shown in blue, and disabled keys are gray. To re-enable a disabled key, click on the key again. You can disable keys in Game Mode for any individual profile.
, and FN
keys cannot be enabled in Game Mode. Backlighting
To cycle between five preset brightness levels, press FN
at the same time. You can also invert the F keys so you only need to press F7. See FN Key Inversion
for more information.
If keyboard backlighting doesn’t turn on, check the lighting settings
in LGS.FN Key Inversion
You can use LGS to invert all the functions that are accessed by default when you use the FN key modifier with individual F keys. This way you don’t need to press FN in combination with the F keys to perform the special functions.
The default FN key combinations are shown below:
To enable Key Inversion:
|FN + F5 (G513 only)||Cycle between 7 onboard lighting effects|
|FN + F6 (G513 only)||Load user-stored lighting layout|
|FN + F7||Cycle Backlighting Levels|
|FN + F8||Toggle Game Mode|
|FN + F9||Play/Pause|
|FN + F10||Stop|
|FN + F11||Previous Track|
|FN + F12||Next Track|
|FN + PRTSC (Print screen)||Mute/Unmute|
|FN + SCRLK ( Scroll Lock)||Volume Down|
|FN + PAUSE||Volume Up|
- Launch Logitech Gaming Software (LGS).
- Select your gaming keyboard.
- In the Home window, push the toggle:
- Left to disable FN Key Inversion
- Right to enable FN Key Inversion
The image above shows FN Key Inversion enabled.