Trust MYRA Mode D'emploi page 7

GXT Gaming Keyboard
2. Multimedia
a Open music player
b Volume –
c Volume +
d Mute
e Stop
f Previous
g Play
h Next
i Mail
j Home
k Lock/unlock keyboard
l Open Calculator
3. Gaming
a Lock/unlock Windows key
b Swap Arrow keys (← ↓ →) with A, S, D
W
↑
2
:  Press "FN" + "F1"
:  Press "FN" + "F2"
:  Press "FN" + "F3"
:  Press "FN" + "F4"
:  Press "FN" + "F5"
:  Press "FN" + "F6"
:  Press "FN" + "F7"
:  Press "FN" + "F8"
:  Press "FN" + "F9"
:  Press "FN"+ "F10"
:  Press "FN" + "F11"
:  Press "FN" + "F12"
: Press "FN" + " "
: Press "FN" + "W"