NEC PA1705UL-W Installation Manual page 180

2. Remove the lens cap on the back of the lens.
NOTE:
• Make sure to remove the lens cap at the unit back side. If
the lens unit with the lens cap remaining on is installed
on the projector, it may cause of malfunction.
3. Remove the lens cover.
Pull the cover about 2 cm forward, then lift
it up.
4. Check that the lens lock lever is in the UN-
LOCK position.
If it is in the LOCK position, press the right
side of the lens lock lever to move it to the
UNLOCK position.
6. Attachment/detachment of parts sold separately
a
b: Lens lock lever
145
a: Lens cover
b