TrOuBleShOOTing
problem
The image is not circular when
viewing.
Display not focused
When measuring the range, the
display shows "
"
- - -
Display flashes or no measurement
is possible
cause
a. The viewer's pupil is not located in
the eyepiece exit pupil.
b. The position of the eyepiece cup
does not match that for correct use
with and without glasses.
Diopter compensation not exact.
a. Above or below measuring range
b. Object is not sufficiently reflective
Battery dead
30
remedy
a. Correct the eye position.
b. Correct the adjustment: If
wearing glasses, push down the
eyepiece cup; without glasses, it
should remain raised (see p. 22).
Repeat diopter compensation
(see p. 22)
Take account of specifications for
the measuring range (see p. 26)
Replace battery (see p. 20)