24
Troubleshooting
Problem
Solution
The display will not turn on.
Charge the battery using the
supplied AC adapter, or by
connecting the Focus to a computer
using the USB cable. The unit will
always power on when connected to
USB. If not connected to USB, make
sure you press and hold the
Power
button for at least two seconds.
The battery is not charging or is
taking longer to charge than
expected.
Make sure you are charging the
Focus Blue using the Freedom
Scientific supplied AC adapter. The
battery takes a maximum of three
hours to charge using the supplied
AC adapter. If you are charging the
Focus using a USB connection to
your computer, the battery will take
longer to charge. To verify the Focus
is charging correctly, press the
Menu
button to display the Focus status
information.