18
2.3. Powering up for the First Time
After
you
have
charged
the
N37B
for
about
4
hours
the
device
is
ready
to
be
used.
You
can
now
start
up
the
N37B
when
you
can
calibrate
the
touch
screen,
practice
with
the
stylus
and
set
the
date,
time
and
zone.
Turn
on
your
device
by
pressing
the
power
button
on
the
front
panel.
2.4. Calibrating the touch screen
The
calibration
screen
automatically
appears
when
the
unit
is
powered
on
for
the
first
time
or
after
the
system
is
reset.
1.
Tap
the
center
cross
hair
firmly
and
accurately
with
the
stylus.
The
cross
hair
moves
to
the
next
location.
2.
Follow
the
cross
hair
and
continue
tapping
until
the
screen
has
been
calibrated.
3.
After
calibration
is
finished,
press
the
Enter
key
to
save
the
settings
or
press
Esc
to
revert
to
the
previous
settings.
NOTE:
To
recalibrate
the
screen
at
any
time,
tap
Start
→
Settings
→
Control
Panel
.
