HP michael bastian chronowing limited edition black User Manual page 5

Using your watch
The button functions vary with different apps. The
following describes the default functions.
Button A:
Press to
advance one
watchface.
To turn on light for
several seconds,
press and hold
for 2–3 seconds.
Button B:
Press to dismiss notifications.
Press to lock the current watchface, and
then press or to see additional features of
the selected watchface.
To return to browsing through the available
watchfaces, press again.
To return to the dashboard screen, press
and hold for 2–3 seconds.
Button C:
Press to go back one watchface.