NEC NP-02HD Installation Manual page 36

Installation of the light module
2 Take out the notch filter kit.
(1) Turn the knob counterclockwise until it turns freely.
The knob does not come off.
(2) Pull the notch filter kit straight out to remove it.
3 Install the new notch filter kit (NFK-G18).
(1) Point the arrow upwards and slowly insert the
notch filter kit into the insertion slot in the main unit,
being careful not to hit the filter section.
NOTE
- Check the notch filter kit's model
name.
- Do not touch or hit the filter section.
(2) Turn the knob clockwise to tighten it.
4. Mount the notch filter cover.
(1) Insert the two tabs on the notch filter cover into the
grooves in the main unit, then close the cover.
(2) Turn the screw clockwise to tighten it.
Store the notch filter kit that was removed in a safe
place.
36
(1)
(1)
Insertion slot
Filter section
(1)
(2)
(2)
(2)