F3/F3R OWNER’S MANUAL
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“MBP” key: To choose a suitable position for
listening. Basing on your position, choose the
perfect timbre,
“Self-centered”, to locate the sound at three
positions: left front, right front, and midpoint.
“POWER” key: Screen power switch. Press it
to power off the display and again to power
on.
“TILT” key: Press it to adjust the vision angle
of liquid crystal display. The display can be
moved by 10º, 20º and 30º.
“OPEN” key: Key of LCD sliding screen.
Press it to slide the screen without showing
images. Press it again to return to normal
state.