TM-720
9
9 Attention
Set for referring the testing of source of light
is located at the right top end (0 degree) of
the light sensor ball plane.
When the meter is not in use, please keep
the cap of the light sensor in its place to
avoid the photo diode from wearing out.
When it is not in use for a long time, please
take the batteries away. And avoid keeping
it in a place of high temperature and
humidity.