I would like to zoom in/out images (zoom), I would like to use the auto focus (af), I would like to adjust the brightness (brt) – Lumens Technology PS650 User Manual

Page 24: I would like to turn on/off the lamp (lamp), 4 i would like to zoom in/out images (zoom), 5 i would like to use the auto focus (af), 6 i would like to adjust the brightness (brt), 7 i would like to turn on/off the lamp (lamp)