Trimble Juno 3B - Backlight issues; Touch screen issues

84 Juno Series Handhelds User Guide
Backlight issues
Touch screen issues
A fully charged battery
does not last a full day.
The internal temperature
has risen above the
allowed maximum for
optimum battery
performance. The
handheld and battery
were operating in a hot
environment.
Remove the handheld and battery from any
external
heat sources (for example, sunlight).
The handheld and battery
were op
erating in a very
cold environment.
Using the handheld in cold temperatures consumes
additional battery power and so shortens battery life
between charges. Keep a spare charged battery when
working in low temperatures.
The battery has reached
or excee
ded is maximum
charge cycles / lifespan.
Replace the battery.
Problem Cause Solution
The backlight does not
com
e on when you tap
the screen or press a
button.
The backlight is not set to
turn on in the Backlight
control.
Tap / Settings / System / Backlight to view the
Backlight control, and
make sure that:
•the T
urn on backlight when a button is pressed or
the screen is tapped check box is selected.
• the brightness is not set to Dark in
the Brightness
tab.
The screen is blank or
hard to s
ee.
The backlight is off. Tap the screen or press a button.
The backlight level needs
to be
adjusted.
Tap / Settings / System / Backlight to view the
Backlight control and then adjus
t the slider in the
Brightness tab.
Problem Cause Solution
The touch screen
do
es not respond to
stylus taps.
The touch screen is
incorrectly aligned.
Realign the screen (see page 36).
The touch screen is locked. To unlock the touch screen, tap
Unlock in the menu bar of
the Home screen.
The handheld has locked
up
.
Reset the handheld (see Resetting the handheld, page 22).
The screen is blank. The handheld is turned
of
f.
Press the Power button to turn on the handheld.
The battery is flat. Recharge the battery (see page 36).
The handheld has locked
up
.
Reset the handheld (see Resetting the handheld, page 22).
A voice call is active. The screen will become active and visible again when the
ca
ll is ended (see Voice calls, page 40).
Problem Cause Solution