
4.0 Digital Display
The digital display (10) does not
require any warm-up or stabilization
time.
• If the displayed does not read
0.00 by ± 0.10 or - - - , please call
our Service Department for
maintenance or repair instructions.
• Check the automatic zero setting of
the Cupping Tester by performing a
test run as described in chapter 2.3.
5.0 Maintenance
The function safety will be raised, if
the eccentric clamping ring will be
cleaned and will be oiled occasionally.
Lens cleaning
The objectives and viewing lens
should be cleaned with a dust free
cloth (e.g. for cleaning glasses).
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