What are the key benefits of the GLM 4.2 update? What is GLM? Does GLM apply phase correction for the loudspeakers? How can I boost the bass range of a SAM-system? What are the benefits of the extended phase linearity mode (EPL)? How can I update the firmware of my devices in GLM 4.x ? Which SAM loudspeakers and subwoofers do support positive gain filters (AutoCal 2)? What are the latency values of The Ones for Extended Phase Linearity (EPL)? Where can I download previous versions of GLM? For example GLM 1.5, GLM 2, GLM 3 or GLM 4? Where can I download latest GLM release? Are group delay graphs available? How audible is variation in the group delay? What are the pros and cons of using the extended phase linearity? Which monitor models support the extended phase linearity? Why are shelving filters added by calibration? Why does GLM AutoCal2 use filters with positive gain? GLM 4.1 and AutoCal2 introduce positive gain. Which monitors support filters with positive gain? Should I use "symmetric EQ" or "individual EQ" with GLM? Why does GLM show different SPL readings compared to another microphone I have? GLM software doesn't see my monitors I can't install GLM4 on my Mac? What are the advantages of GLM 4 over other types of calibration systems? Are GLM 3 setup files compatible with GLM 4? Can GLM be used without Internet connection (Local AutoCal)? GLM compatibility with Genelec products Does GLM have a mono mode to allow use with only one monitor? I'm using MacOS and I get error "Could not upload setup file to the Cloud!" with GLM. What to do? What is safe operating temperature that is shown in GLM software? Why does GLM not fix dips on frequency response? Can I install the GLM™ software on another computer?