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6 Maintenance
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4
Inserting the lamp holder
■ First, push the white lamp holder carefully all the way into the
opening,
■ then turn it approx. 45° clockwise and
■ then slowly let it go.
5
Closing the lamp compartment
■ Place the sealing plate onto the opening. Make sure that no
cables are being pinched.
■ Insert the four screws and tighten them in crosswise sequence
using the hex key.
■ Push the hex key into the guide rail on the cover.
■ Close the lid.
6
Calibrating the instrument
The instrument has to be recalibrated every time a lamp is replaced.
■ Switch on the instrument.
■ Recalibrating the instrument (see step 6 in the chapter "Non-reg-
ulated industries", page 12).