NEC PH3501QL Installationsanleitung Seite 98

Performing Lens Calibration
• After installing the lens unit L4K-11ZM/L4K-15ZM/L4K-
20ZM (sold separately), press the L-CALIB. button on the
projector, or hold down the CTL button on the remote control
then press the INFO/L-CALIB. button to carry out [LENS
CALIBRATION].
By carrying out [LENS CALIBRATION], the adjustment
range of the zoom of the [LENS MEMORY] is calibrated.
If you need to install or replace the lens unit, contact your
distributor and have them do it for you.
4. Projector Adjustment and Connecting
72