NEC PA1705UL-W Installation Manual page 108

2. Select one option among nine by ▲ or ▼.
Black Level Adjustment
This adjusts the black level of the overlapping area and the non-overlapping area of the multi-screen
(EDGE BLENDING).
Adjust the brightness level if you feel the difference is too large.
NOTE:
• Adjustable area varies depending on what combination of [TOP], [BOTTOM], [LEFT] and [RIGHT] are turned on.
The black level of the lower left projector is adjusted as shown in the figure.
1. Select [DISPLAY] → [EDGE BLENDING] → [BLACK LEVEL] and press the ENTER button.
The screen will switch to the black level adjustment screen.
BORDER (TOP)
TOP
CENTER
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4. Multi-Screen Projection
BORDER
(RIGHT)
RIGHT