ChemoMetec NucleoCounter, User Manual

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5 Operation of the NucleoCounter
23
Press “

” to continue. Now the instrument prompts you to close
the lid in order to avoid false light from enter the insertion
slit during the Zero Count Check:
Close lid

Continue
Esc Abort
Figure 20
Zero Count Check, step 3
Press “

” to continue. Then a “Wait” message appears in the
display:
wait...
Figure 21
Zero Count Check, step 3A
After a few seconds the instrument has performed the Zero Count
Check. If no contamination of the insertion slit can be
detected an “OK” message appears in the display (see the figure
below). Press any key to return to “Ready mode”.
0 count OK
Press any key
Figure 22
The result of the Zero Count Check is OK
If a contamination of the insertion slit is detected an error
message is shown:
0 count ERROR
Refer to manual
Press any key
Figure 23
The Zero Count Check did not pass the test
If the Zero Count Check returns an error, it is recommended to
lean the insertion slit, e.g. with compressed, dry air (refer
to chapter 7 Maintenance of NucleoCounter and Technical Note