9
D006791_CR49XX_User_Manual
FPO
Charging
Station
5VDC
Power
Supply
2
–
Keys
and
Connectors
Key
Function
Recent
Apps
Key
Press
to
view
recent
used
applications.
Home
Key
From
any
application
or
screen,
Press
to
return
to
the
Home
screen.
Back
Key
Press
to
go
back
to
the
previous
screen,
or
to
close
a
dialog
box,
options
menu,
the
notification
panel,
etc.
Function
Key
Press
to
launch
the
user
programmed
app
or
function.
Power
Key
•
Press:
Lock
the
screen/Light
up
the
screen.
•
Press
and
hold:
Show
the
pop
‐
up
menu
to
select
from
Power
off/Reboot/Airplane
mode.
•
Press
and
hold
the
Power
key
for
more
than
10s
to
restart.
•
Press
and
hold
the
Power
key
and
Volume
down
key
for
more
than
24
to
reset.
•
Press
the
Power
key
and
Volume
down
key
to
capture
a
screenshot.
Volume
Keys
•
In
call
mode,
adjusts
the
earpiece
or
headset
volume.
•
In
Music/Video/Streaming
mode,
adjusts
the
media
volume.
•
In
general
mode,
adjusts
the
ringtone
volume
and
enables
Vibrate
mode.
•
Mutes
the
ringtone
of
an
incoming
call.
•
In
camera
preview
mode,
press
Volume
up
or
down
key
to
enter
burst
shoot.
Scan/Programmable
Keys
•
In
Scan
Mode
press
either
scanner
key
to
scan
a
barcode,
or
to
execute
the
assigned
key
function.