38
39
8. TROUBLE SHOOTING GUIDE
Under certain conditions performance of the unit may be adversely affected by factors
other than defects. If problems occur, please review the following list and take remedial
action as needed. If you cannot solve the problem after checking the entire list, please
contact Bresser GmbH for assistance.
TROUBLE
CAUSE
SOLUTION
The field of view is still dark
The power supply unit is not
connected to the socket or the
input connector AC adapter
Check the connection between
the main power plug and the
power socket as well as the con-
nection between the AC adapter
and the AC adapter input terminal
The light intensity is adjusted too
low
Adjust the light intensity accor-
dingly via the brightness control
knob
There is dirt in the field of view
Dirt/dust on the sample
Please use clean samples
Dirt/dust on the eyepiece
Wipe the eyepiece
The two images do not match
Improper interpupillary distance
adjustment
Correct interpupillary distance
Improper diopter adjustment
Readjust
The left and right eyepieces have
different magnifications
Change to the same eyepieces
The image is out of focus
Incorrect focus
Adjust the focus via the coarse
focus-ing knob and fine focusing
knob so that the sample can be
clearly seen
8
TROUBLESHOOTING
9
DIMENSIONS
9. DIMENSIONS
10. WARRANTY
The regular guarantee period is 2 years and begins on the day of purchase. To benefit
from an extended voluntary guarantee period as stated on the gift box, registration on
our website is required. You can consult the full guarantee terms as well as information
on extending the guarantee period and details of our services at www.bresser.de/warran-
ty_terms.
10
WARRANTY