1. VPL-FHZ55 VPL-FH31/36 How to adjust “Edge Blending”
Beta2 version
Sec.2, Planning Dept.
Visual Presentation Solutions Business Div.
Professional Solutions Group
Sony Corporation

2. Contents Adjusting flow outline Position of projectors
Adjust “Color Matching”
Edge Blending
Adjust “Zone Black Level Adj.”
Blend Gamma

3. 0.1 Recommendation of PC and Graphic Card
PC : Tower PC with extra slot.
CPU:Core i7 or more. Memory:4GB or more
OS : Windows 7
Win7 only support overlapping multi display function
Graphic Card
Matrox M9120 PCIe x16 (Blending 2 projectors only)
Matrox M9148 LP PCIe x16 (Blending 4 projectors)

4. 0.2 Setting of PC Software (Matrox_M81203）
Install “Matrox PowerDesk”
Open “Matrox PowerDesk”
2. Select 1: Multi-Display Setup
　　2-1) Resolution of "Display1&2" ->1920x1200.
　　2-2) "Basic Configurations" ->"Use stretched mode“.
Confirm and return to Home. 
3. Select 3: Edge Overlap and Bezel Management
　　3-1) Select "Edge Overlap" and click "Modify“.
　　3-2) "Hidden pixels" ->"Horizontal" Set “480 pixel(s)”*
* Around 20~25% overlapped image seems to be natural in general.
Now PC can output multi-display for edge blending.

5. 0.3 Reference InfoComm2013 FHZ55 tower setting
Full HD x3 contents, Not use edge blending function (function is capable)
PC : Tower PC with extra slot
Motherboard : MSi X79A-GD65
CPU : Intel 3.2ghz
RAM : 16GB Corsair Vengeance DDR3 PC1600
OS : Win 7 Ultimate
Graphic Card
Nvidia GTX 680 GPU
Others
Adaptec 6805E RAID controller
1 TB Crucial SSD RAID (2 x 256GB, 1 x 512GB)
12 TB WD GREEN (WD30EZRX) RAID (4 x 3TB)
Corsair HX850 PSU

6. 1. Adjusting flow outline
Calculate the position of projectors
Set edge blending width in PC software attached in the graphic board
Set a different ID number for each projector (ID:1~3)
Set “Picture Menu” of each projector as same setting.
Picture Mode : Standard/Color Temp/Gamma Mode : Graphics2 is better
Adjust color and brightness of each projector by using “Color Matching.”
Set the positioning of Edge Blending in order that the green line of one projector overlap with the red line of the other projector.
Adjust the black level of no blending zone using “Zone Black Level Adj.”
Set “Blend Gamma” of blending zone.

7. 2. Position of projectors
What is your screen size ?
Recommended screen aspect w 3,360 : h 1,200
i.e) Screen size of demo room
W 4,100mm x H 1,610mm
3360
1920
1920
1200
Overlap area 480 dot
Image size : 4,100mm x 1,464mm

8. 2. Position of projectors
Throw distance ?
You can get the distance using “Projection Simulator”
FHZ55/FH36/31 with standard lens case,
the distance is almost same as the screen width !

9. 2. Position of projectors
1920
1920
1200
960
Keep projector body level and
right angle to screen
Fine adjustment available with “H/V Lens Shift” & “Zoom”

10. 2. Position of projectors
1920
1920
1200

11. 2. Position of projectors
1920
1920
1200
Fine adjustment available with “H/V Lens Shift” & “Zoom”

12. 2. Position of projectors
Positioning is most difficult in edge blending process
Ceiling mount is better than desktop setting. If someone touch them, the position of projector would change on the desktop.
Vertical and horizontal lens shift : “0” is ideal. If you use shift function widely, we can’t project correct rectangle especially horizontal lens shift. It would be a little distorted. So we can’t lap over the red and green line.
Screen
Don’t use silver screen because we can realize the difference of brightness depend on the standing point.
Check the screen before you adjusting.
Set the same dot numbers of overlap zone (edge blending width) as PC software and projector.
PC software may be able to display the adjusting test pattern. So please check it.

13. 3. Adjust “Color Matching”
What is “Color Matching”
For correcting the brightness and color of the whole projected image manually from the signal level in six steps, Lv1(black)～Lv6(white).
Brightness
Color (“G” is fixed, adjust “R” and “B”)
How to adjust
We can only decrease the brightness and color in Lv6(Highest level). So adjust higher brightness and color projector to lower one.
It is easy to adjust it by using “Incident Color Meter” or such devices.
Once you set “Picture Menu” of each projector as same setting, it’s easy to adjust them.
Adjust from Lv6 to Lv2. Don’t need to adjust Lv1.
Had better to adjust color matching before adjusting edge blending.
When you adjust color matching, you should set each projector not to overlap. (zooming out is useful)

14. 3. Adjust “Color Matching”
How to adjust using “Incident Color Meter”
Lv6
Adjust brighter brightness to darker one
Adjust lower “y” value to higher one decreasing “B”
Adjust higher “x” value to lower one decreasing “R”
Fine adjust to repeat 1-3 if necessary
The result of “x,y” value is goal for lv5 to 2
Lv5 to 2
Adjust brightness
Adjust “y” value to the goal controlling “B”
Adjust “x” value to the goal controlling “R”
y : increase
(x : decrease)
Green +
x : increase
Red +
Blue +
x : decrease
y : decrease

15. 3. Adjust “Color Matching”
Brightness
Adjust to 10ths digit
In this case, you can read approx. 310
“x, y” value
Adjust to 3 places of decimals
In this case, you can read approx. (0.375, 0.394)
Incident Color Meter

16. 4. Edge Blending A C B Edge blending width Projection area of PJ-No.2
Set the same dot numbers of overlap zone as PC software and projector.
Projection area of PJ-No.2
Projection area of PJ-No.1 A C B
Brightness
100
Brightness decrease linearly in this blending zone.
Adjust black level of “A” and “B” to “C”(Zone Black Level Adj.)
Adjust gamma of “C”(Blend Gamma)

17. 5. Adjust “Zone Black Level Adj.”
When blending 9 projectors
Definition of Zone 1 2 3 4 5 6 7 8 9
Edge blending width
Projection area of PJ-No.2
Projection area of PJ-No.1 A
Zone 5 of PJ-No.1 B
Zone 5 of PJ-No.2 C
Zone 6 of PJ-No.1
Zone 4 of PJ-No.2
Black level of Zone “C” is brighter than zone “A” and “B” because 2 projectors project this zone at the same time. Adjust black level of zone “A” and “B” brighter to zone “C”.
Basically don’t change the black level of zone “C” (Zone 6 of PJ-No.1 and Zone 4 of PJ-No.2).
Don’t need to adjust “Color Matching Lv1” because we must adjust black level here.

18. 5. Adjust “Zone Black Level Adj.”
Had better to adjust black level using “Incident Color Meter” when it is difficult to adjust it only seeing
Measure in the dark place.
Had better to measure around the boundary line of blending A C B
(When adjusting using xy value)
Adjusting (x,y) value of zone ”A” and “B” to zone ”C” .
Adjust “x”
Increasing：Increase “R”.
Decreasing： Decrease “B”.
Adjust “y”
Increase or Decrease “G”.
Increase or Decrease “B”.

19. 6. Blend Gamma What is “Blend Gamma” Adjusting Range Know how
Adjusting “blend Gamma” of overlapped zone because the line of the edge of blending zone become inconspicuous.
Adjusting Range
2.3 power（Mode5）～1.9 power（Mode1）
Default：2.2 power（Mode4）
Know how
First set “Gamma mode”=Graphics 2 initially and adjust it.
Adjust it projecting all black or all white color
Basically select same gamma of each projector.
Bigger number（2.2 power ～2.3 power/Mode 4/5) is better from our own experience.