BERLIN, Aug. 29, 2018 /PRNewswire/ -- Acer today announced its new PL and SL series projectors -- the Acer PL6610 (WUXGA), PL6510 (1080p), SL6610 (WUXGA) and the SL6510 (1080p) -- powered by laser light sources, with the SL series offering short throw projection in tight spaces such as classrooms, and the PL series for customers who are BERLIN, Aug. 29, 2018 /PRNewswire/ -- Acer today announced its new PL and SL series projectors -- the Acer PL6610 (WUXGA), PL6510 (1080p), SL6610 (WUXGA) and the SL6510 (1080p) -- powered by laser light sources, with the SL series offering short throw projection in tight spaces such as classrooms, and the PL series for customers who are