Microsoft Surface Hub 2S Integration Manual page 6

Key Component
Source
⑨
Volume
⑩
Power
⑪
Figure 2. Rear facing view of wireless, audio, & related components
Surface Hub 2S A/V Integration Guide
Description
Use to toggle among connected ingest sources —
external PC, HDMI, and DisplayPort modes.
Use +/- to adjust audio locally on the device.
NOTE: When navigating to the brightness control, use
+/- on the volume slider to control display brightness.
Power device on/off.
Use also to navigate display menus and select items.
Key
parameters
n/a
n/a
n/a
3