Optoma Technology EH505 用户手册

English

16

• Do not shake or place excessive pressure on the projector or the 

lens components as the projector and lens components contain  

precision parts.

• Before removing or installing the lens, be sure to turn off the  

projector, wait until the cooling fans stop, and turn off the main 

power switch.

• Do not touch the lens surface when removing or installing the lens.
• Keep fingerprints, dust or oil off the lens surface. Do not scratch 

the lens surface.

• Work on a level surface with a soft cloth under it to avoid scratching.
• If you remove and store the lens, attach the lens cap to the  

projector to keep off dust and dirt.

Removing the Existing Lens From the Projector

1.  Push down and  

release the top cover 

to open.

2.  Push the LENSE 

RELEASE button to 

the unlock position.

3.  Grasp the lens.

4.  Rotate the lens  

counterclockwise. 

The existing lens will 

be disengaged.

Installing or Removing the Optional Lens

v

 Removal of 

the plastic 

body cap 

before  

inserting a 

lens for the 

first time.