37
38
www.feltest.com
9. Troubleshooting
Problems
Solution
The unit does not turn on.
Charge the battery.
The display is blank.
Ensure that the power is on.
Charge the battery.
Verify that the item you want to magnify
is positioned correctly under the lens.
There are smudges or
blemishes on the display
Clean the screen and lens carefully with
soft fabric.
The microscope is connected
to a television, but no image
appears on the television
display.
Ensure that the television is on.
Switch to the appropriate video input
channel on your television.
Ensure that the video cable is securely
connected to the microscope video-out
port and plugged into the correct video
input on your television.
The battery indicator LED is
not in red, even though the
power adaptor is connected
and plugged into a wall
socket.
Ensure the power adaptor is plugged into
the microscope DC-in port and not in the
AV-output port.
The battery is not charging.
Ensure that the power adaptor has power
and is not malfunctioning. If the power
adaptor is connected to a wall switch,
make sure that the switch is on.
