Omtech SH-G1390 User Manual page 56

5 Operation
5.4 Engraving
1. Press to engrave your design.
Again, do not stare continuously at the laser even through the protective polycarbonate window.
Watch for possible issues like sparks or fires, however, and be prepared to quickly extinguish a
fire if necessary.
2. Once the laser has stopped,
If not, adjust the parameters as needed. For parameter reference, see
Specific Materials on Page 51.
3. Remove the sample material and place the actual material for engraving.
4. Press to engrave your design.
For your own safety and that of passersby, this engraver can be locked shut using
the provided laser key. It is recommended that you use it to lock the machine
between sessions, preventing any unauthorized operation of the machine.
5.5 Wrapping-up
1. Once you have finished engraving, close your software and then turn off your machine in the
following order:
a. Close your engraving software, and
unplug the USB cable or ethernet cable.
b. Turn and remove your laser key.
c. Turn off the main power by pressing the
main power button.
d. Press the emergency stop button.
e. Allow time for the ventilation and cooling
systems to continue running, cooling the
laser and removing any remaining fumes
or dust.
f. Turn off the water cooling system and your additional ventilation system if any (such as a
dedicated purifier).
open the cover and check that the engraved pattern is desired.
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§ 5.7 Instructions for
d
c
b