4
Operation
4.1
Emergency-off switch
The emergency off switch is for emergencies during normal operation.
In confusing and hazardous situations, press the emergency off switch to immedi‐
ately shut off the laser.
Note
The emergency off switch should not be used for normal shut off since it may con‐
tribute to the premature wear of the laser. The emergency off switch does not com‐
pletely disconnect the unit from the mains.
See also: 4.18 Switching off, Page 56
4.2
Fill the spray water
To avoid contamination with germs, the spray water in the reservoir should be com‐
pletely replaced at least once a week.
If the display "SPRAY RESERVOIR EMPTY" appears on the touch screen, this
indicates that the spray water in the reservoir is coming to an end.
Instructions for use KEY Laser 3+ 1343 KEY Laser III 1243 upgraded
4 Operation | 4.1 Emergency-off switch
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