This is by design - if the default was to have the laser on, anyone with a CO2 (invisible) laser would likely be blind by now. 
Read here for how to do this: How do I turn on my diode at low power to focus it or frame a job?
This is by design - if the default was to have the laser on, anyone with a CO2 (invisible) laser would likely be blind by now.
Read here for how to do this: How do I turn on my diode at low power to focus it or frame a job?