JVC DLA-X55R Projector Calibration and Settings
On this page we will repeat some of the measurements taken by Mike when calibrating. That way, on this page, you have both the calibration settings we used, and the effect they have on the JVC DLA-X55R projector's measurements.
12/29/2012 - Art Feierman
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JVC DLA-X55R Color Temperature
Out of the Box Measurements:
Lumen Output and Color Temp at 100 IRE (mid zoom):
Cinema= 712 @ 6506, 451 @ 6827 in default Low lamp mode
Film= 676 @ 5967
Natural= 721 @ 6510
Stage= 793 @ 7736
Animation= 775 @ 8377
3D= 793 @ 7755
User 1-5= 721 @ 6518
Essentially the User modes, and most of the others, are the same, but for some variation in which color temp is used.
Color Temp over IRE Range, Best mode (Pre calibration):
Cinema (User and Natural are very similar)
30 IRE 6292K
50 IRE 6478K
80 IRE 6487K
100 IRE 6518K
JVC DLA-X55R Basic Settings
In addition to calibrating Red, Green and Blue for a correct grayscale balance (6500K), there are a number of other settings that come into play. Typically Contrast and Brightness (white balance and black balance), need to be done first. Color saturation and gamma also need adjustment.
Settings for measurements (default values are in parenthesis):
All other settings at default.
|
Cinema |
Film |
Natural |
Stage |
Animation |
3D |
User 1-5 |
|
Contrast (0) |
|
-1 |
-2 |
-2 |
-2 |
-3 |
-2 |
-2 |
Brightness (0) |
|
1 |
2 |
2 |
2 |
3 |
2 |
2 |
Color Sat. (0) |
|
(0) |
(0) |
(0) |
(0) |
(0) |
(0) |
-6 |
Tint = (0) |
|
(0) |
(0) |
(0) |
(0) |
(0) |
(0) |
(0) |
Color Temp |
|
(6500) |
(6000) |
(6500) |
(7500) |
(8000) |
(7500) |
(6500) |
Gamma |
|
(A) |
(B) |
(Normal) |
(D) |
(C) |
(3D) |
(Normal) |
| Color Profile | Cinema | Film | Natural | Stage | Animation | 3D | Standard |
Ed. Note: When setting the brightness, it's always a tough call between the two closest settings (viewing black bars). Mike favors the higher Brightness number (delivers maximum shadow detail). I favor best blacks, so I'll be one number lower, give up the slightest amount of shadow detail in exchange for the blacker black. For example, above, Mike has 2 as the setting for Brightness in Film, User, etc. I prefer to choose +1 as the better choice. Fortunately the difference between +1 and +2 on this JVC is very slight. (Nothing worse than coarse controls.)
JVC DLA-X55R Projector Calibration and Settings
JVC DLA-RS45 Post Calibration Grayscale: User 1 "Best" mode:
Color Temp over IRE Range (Post calibration):
20 IRE 6429
30 IRE 6343
40 IRE 6479
50 IRE 6521
60 IRE 6612
70 IRE 6590
80 IRE 6569
90 IRE 6604
100 IRE 6588
Average gamma= 2.22
Best Mode (User 1): Lumens at 100 IRE: 703 @ 6588K
Brightest Mode (Stage) : Lumens at 100 IRE: (no "quick-cal" needed): 793 lumens
RGB Settings
Calibration settings:
Calibration settings for User 1:
Gamma on Custom
Color Space on Standard
Color on 0
Color Temp @ 6500K
JVC DLA-X55R Grayscale Calibration:
Calibration settings for User 1:
Gamma on Custom1 - Normal starting point, Color Profile on Standard
User 1, Custom Color Temp 1 w/ 6500 starting point
Gain (0) R=-9
(NOTE: Gain can G = 0
only be adjusted B = -8
down.)
Offset (0) R = -4
G = 0
B = 0
Lumens at 100 IRE: 703
Mike's notes: Grayscale calibrated pretty well, with an average Delta E of only 1.1. Adjusting Gain ond Offset has a greater effect on the total IRE range than it should, so you end up with the lower IREs slightly high in red to keep the rest of the range more accurate. As Stage (the brightest mode) is only 72 lumens more than User mode, there’s no need for a quick cal of a “bright” mode. As seems to be normal for JVC projectors, gamma was too low in any of the presets (Normal was the high with an average gamma of 2.10), so I used the custom gamma. The custom gamma started with the Normal preset, but I dropped the numbers by 15 up to 70%, and then -10 after that.
The standard color gamut is decent and doesn’t have the oversaturated green that prior models had, but the secondaries are all off a little in hue (see CIE charts*). Fortunately, the CMS works quite well and I was able to dial in the colors pretty well. Overall, colors look very good.
* Projector Reviews is starting a major redesign of our website. It's scheduled for completion in March/April '13 timeframe. The new site should be more user friendly, and will, for the first time, have a Member/Subscriber area. It is our goal to offer subscribers additional content, relative to what we are currently offering.
One of those elements will be more complete calibration information on most non-entry level home projectors. We will be featuring CIE charts and CMS settings of the individual colors, as one example of the "value add" in the Subscriber area. There will also be additional videos, (both informational ones and review summaries) There will be special offers. We will continue to have many new videos in the public areas as well. More info to follow.