Product Manual

2 Using the Android operating system
l Rotate the screen. On most screens, the orientation of the screen rotates with the
phone as you turn it from upright to its side and back again. You can turn this feature
on and off, see Display settings, page 36.
The handheld has the following buttons:
Button Press Press and hold
Home Opens the Home screen. If you are viewing a left
or right extended Home screen, it opens the
central Home screen.
Action can be
configured in Settings
/ Buttons.
Menu Opens a menu with items relevant to the current
screen or app.

Back Opens the previous screen you were working in.
If the onscreen keyboard is open, the keyboard
closes.

Power (top
of device)
Turns off the screen. Opens a menu with
options for Airplane
mode, Silent mode,
vibrate, reboot, and
for powering off the
phone.
Volume Up /
Down (right
side of
device)
When a call is in progress, it increases or
decreases the call volume. When the phone is
ringing, it silences the ringer. On the Home
screen when no call is in progress, it increases or
decreases the ringtone volume, or sets the
phone to be silent or to vibrate instead of
ringing. In other apps, it controls the volume of
music, spoken directions, and other audio.
Quickly increases the
ringtone volume to
maximum or
minimum.
Customized
(2 buttons,
left side of
device)
Use the AB Key Set utility to configure which
apps you want to assign to each of the buttons
on the left side of the device. On the Apps screen,
tap Settings / ABKey Set; for each of Key A
Settings and Key B Settings, select from the list
the app that you want to assign to the button.
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Spectra Precision MobileMapper 50 HandheldUser Guide | 31