Sim2 Sirio User Manual page 15

Connect cables as shown on picture.
To replace the lens, repeat the above steps in opposite sequence.
Attempting to remove the lens without lens centering may cause damage to the lens
assembly.
3 Installation
When carrying or moving the projector, do not handle by the lens. This
may damage the lens, the chassis or other mechanical parts inside the
projector. For the lens centering refer to "Projection Lens" on page 31.
SIRIO 15
User Guide