AGPtek C101B1 Guia De Inicio Rapido página 11

you should NOT:
Test with your painted fingers

and
obstruct proper readings –
use an earlobe instead in this
case.
Test under bright overhead

lighting, including sunlight,
can effect readings – take
your readings in rooms with
normal
conditions.
Move while testing, body

movement
toenails
or
which
low-light
including
8
can