Focus - NEC PH3501QL Installationsanleitung

4-4-3. Focus

For the L4K-11ZM, L4K-15ZM and L4K-20ZM lens units, perform the image surface adjustment before adjusting the
focus. (→ next page)
1. Press the FOCUS +/− button.
The FOCUS adjustment bar will be displayed on.
The focus is adjusted.
• On the remote control, while pressing on the CTL button, press on VOL/FOCUS (+) or (−) button.
• ◀ or ▶ buttons on the cabinet or the remote control are also available to adjust FOCUS while the FOCUS
adjustment bar is displayed on.
TIP: To obtain the best focus, perform the following (for fixed installation)
Preparation: Warm up the projector for one hour.
1. Use the FOCUS +/− buttons to make sure you obtain the best focus. If you do not, move the projector back and forth.
2. Press the TEST button on the remote control to display the test pattern.
3. Keep pressing the FOCUS − button until the grid of the text pattern is made invisible.
4. Keep pressing the FOCUS + button until you obtain the best focus.
If you adjust beyond the best focal point, go back to step 3 and repeat the procedures.
4. Projector Adjustment and Connecting
79