Silvercrest STMS 2017 A1 - Manual (Page 5)

Wireless keyboard with wireless mouse STMS 2017 A1 English
3
5 Left mouse button
6 Right mouse button
7 Zoom - (default mode)
Play / Pause (media mode)
8 Zoom + (default mode)
Launch Media Player (media mode)
9 Tilt wheel (4-way scroll wheel)
Volume control and mute (media mode)
10 Battery level indicator
11 Back (default)
Previous title (media mode)
12 Forward (default)
Next title (media mode)
13 800/1600 cpi toggle switch (press briefly)
Standard / media mode toggle switch
(keep pressed for 3 seconds)
14 Battery compartment lock (on the back)