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Check the voltage on the power control switch (on/off switch 
(230V/115V)). If the voltage of the power control switch 
differs from the line voltage, you must adjust the setting of 
the power control switch as follows (see fig. 1a): 
A.  Open the fuse box lid using a screwdriver. 
B.  Take out the fuse box. 
C.  Remove both fuses replacing them with two new fuses. 
  These must be identical and should correspond to the 
  line voltage. See chapter 9.0. 
B.  Turn the fuse box 180° and slide it back into place. 
 
Check that the earth connection for the instrument is present 
and attach the cable. 
 
Select an insertion tube with the correct bore diameter. See 
section 3.2.2 for information on how to select insertion tubes. 
 
The calibrator is now ready for use.