Acer concept D CM2241W - 24" monitor PWM brightness control?

chrisracing
chrisracing Member Posts: 2 New User
I would like to know if the flicker free brightness control is done via high frequency PWM or a current/voltage change?  There aren't many reviews on this monitor and my eyes are very sensitive to PWM.  Some do PWM only under 20%, some monitors not at all, some at all brightnesses under 100%.