DTV Color Rendition Test Chart

The YE0226 is designed for the evaluation of the color rendition of HDTV cameras. The chart consists of 36 color patches and a 9-step gray scale. In addition to the primary and secondary colors the test chart contains mainly the colors whic...
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The YE0226 is designed for the evaluation of the color rendition of HDTV cameras. The chart consists of 36 color patches and a 9-step gray scale. In addition to the primary and secondary colors the test chart contains mainly the colors, which are critical in reproduction, e.g. dark and light skin tones, foliage, blue sky, orange, violet and others.

The chart consists of 36 color patches and 9-step gray scale. Besides the primary and secondary colors (blue, green, red, yellow, purple and cyan) the test chart contains mainly colors, which are critical in reproduction, e.g. dark and light skin tones, foliage, blue sky, orange, violet and others.

The colorimetric reports of the 36 colors are shown on the following page.

The 9-step gray scale is graduated as follows:

Step	Density	Transmission in %
1	0.00	100

2	0.06	88

3	0.20	63

4	0.36	44

5	0.55	28

6	0.81	16

7	1.15	7

8	1.65	2

9	> 3.00	0

The density is based on the 1st step of the gray scale.

Date

Some of the filter foils used are not fade less, especially when exposed to sunlight (ultra violet light). We therefore recommend to store the chart in the folder or case when not in use. We also recommend and offer a recalibration of the chart after 3 years of regular use.

Colorimetric data YE0226 – transparency standard illuminant D65

No.	Color	X	Y	Z	U´	V`	X	Y	Z	CB	CR
1	Dark skin	0,126	0,116	0,060	0,250	0,510	0,420	0,390	68,000	-16,400	18,000
2	Light skin	0,438	0,401	0,301	0,240	0,490	0,380	0,350	136,100	-14,400	26,700
3	Blue sky	0,175	0,198	0,312	0,170	0,440	0,260	0,290	93,400	13,600	-17,700
4	Foliage	0,072	0,123	0,020	0,150	0,560	0,340	0,580	66,800	-38,300	-23,200
5	Blue flower	0,352	0,334	0,565	0,200	0,430	0,280	0,270	124,900	20,400	1,800
6	Bluish green	0,307	0,419	0,438	0,150	0,480	0,260	0,360	137,100	-0,140	-40,100
7	Orange	0,410	0,337	0,046	0,290	0,540	0,520	0,420	116,100	-62,500	50,900
8	Purplish blue	0,180	0,188	0,550	0,150	0,360	0,200	0,200	84,000	43,400	-41,600
9	Moderate red	0,292	0,210	0,134	0,310	0,490	0,460	0,320	88,000	-10,100	49,300
10	Purple	0,121	0,075	0,378	0,200	0,280	0,210	0,130	46,900	49,100	8,100
11	Yellow green	0,458	0,615	0,261	0,170	0,530	0,340	0,460	169,000	-44,400	-19,500
12	Orange yellow	0,538	0,485	0,084	0,270	0,540	0,490	0,440	144,400	-68,900	45,200
13	blue flower	0,099	0,048	0,550	0,160	0,180	0,140	0,070	18,400	81,400	-29,400
14	Green	0,103	0,224	0,050	0,110	0,560	0,270	0,590	81,300	-38,800	-74,900
15	Red	0,316	0,160	0,003	0,460	0,530	0,660	0,330	35,500	-25,700	102,500
16	Yellow	0,508	0,581	0,033	0,220	0,560	0,450	0,520	157,200	-116,900	20,300
17	Magenta	0,429	0,222	0,560	0,320	0,370	0,350	0,180	69,100	52,900	80,100
18	Cyan	0,481	0,586	0,940	0,160	0,440	0,240	0,290	163,000	24,800	-46,100
19		0,253	0,246	0,140	0,230	0,510	0,400	0,380	104,900	-20,400	18,100
20		0,631	0,600	0,498	0,230	0,490	0,360	0,350	168,200	-13,200	24,000
21		0,348	0,330	0,244	0,230	0,490	0,380	0,360	123,500	-14,400	19,900
22		0,132	0,301	0,070	0,110	0,560	0,260	0,590	90,200	-39,200	-103,400
23		0,348	0,438	0,553	0,160	0,460	0,260	0,330	141,600	8,400	-34,000
24		0,512	0,515	0,783	0,190	0,440	0,280	0,280	156,500	18,600	-3,900
25		0,334	0,208	0,020	0,380	0,530	0,590	0,370	75,700	-43,100	74,200
26		0,401	0,550	0,438	0,160	0,500	0,290	0,400	159,200	-14,500	-35,700
27		0,158	0,151	0,563	0,150	0,330	0,180	0,170	70,600	52,400	-45,600
28		0,132	0,095	0,116	0,280	0,450	0,380	0,280	57,700	5,500	28,100
29		0,215	0,415	0,454	0,110	0,480	0,200	0,380	95,100	24,100	-168,900
30		0,150	0,078	0,611	0,190	0,220	0,180	0,090	40,300	74,200	4,000
31		0,279	0,135	0,146	0,410	0,440	0,500	0,240	34,300	24,300	90,300
32		0,793	0,847	0,500	0,210	0,510	0,370	0,400	200,600	-34,900	13,500
33		0,135	0,161	0,434	0,140	0,380	0,190	0,220	70,700	40,100	-62,100
34		0,014	0,074	0,060	0,050	0,510	0,100	0,490	35,300	2,800	-84,000
35		0,626	0,540	0,232	0,270	0,520	0,450	0,390	155,100	-37,600	47,100
36		0,410	0,436	0,288	0,210	0,500	0,360	0,380	143,400	-21,300	8,900

All values calculated from the colorimetric measurement results (CIE-XYZ values) for the ITU Rec. 709. The brightness is related to the picture white of patch 37 (=100% transmission).

1. When I received NH310/NH300 colorimeter and perform measurement, why the measured data is abnormal?

After receiving NH310/NH300, you have to perform white and black calibration manually when first starting.

2. In which condition, manual white and black calibration and auto calibration are required for NH310?

a. It’s needed to perform manual calibration for NH310 when first starting.

b. In the subsequent starting, NH310 will perform auto calibration at startup. No need to perform manual calibration.

c. Suggestion: it’s best to perform manual calibration once a week or when NH310 measured data is not accurate.

3. In which condition, manual white and black calibration for NH300 is required?

a. It’s needed to perform manual calibration for NH300 when first starting.

b. In the subsequent starting, no need to perform manual calibration.

c. Suggestion: it’s best to perform manual calibration once a week or when NH300 measured data is not accurate.

4. How to replace NH310 measuring aperture?

There are three measuring apertures for NH310: Φ8mm (standard accessory), Φ4mm (standard accessory), extended Φ8mm (optional accessory)

a. Turning on

b. Removing measuring aperture, install the needed measuring aperture.

c. Select “Settings-Aperture Setting” in main menu to select corresponding measuring aperture.

d. After selecting aperture, the instrument will display “White and Black Calibration” interface. White and black calibration must be performed.

e. Replace completed.

5. CQCS3 (Color Quality Control System) Installation

a. Before installation, please Copy CQCS3 folder to your computer and don’t remove any files in CQCS3 folder.

b. Double-click the setup.exe to install CQCS3 software.

c. Then double-click Install.bat under the CQCS3\USB_Driver file to install the driver.

d. Detailed installation information please read the "Installing Software" under CQCS3 User manual.doc.

6. How to check communication port?

a. Connect colorimeter to the PC with USB cable.

b. Turn on the colorimeter to enter main menu. Select “Comm” and press “Enter” key to start communication.

c. Right click on “My Computer” on the desktop. Click “Manage” -> “Device Manager” -> “Ports”, you can see similar display as “SCI USB2Serial (COM6)”.

d. Click “Settings->Communication Parameters” in CQCS3 software interface. Select the corresponding port in “Serial Port”.

7. After completing CQCS3 installation, how to solve the problem if it display “! USB Device” or “! SCI USB2Serial (COM6)” when checking the communication port?

a. Right click “! USB Device” or “! SCI USB2Serial (COM6)”, “Update Driver” -> “Install from a list or specific location (Advanced)” -> “Next” ->“Include this location in the search” -> “Browse”, specify USB driver file path “CQCS3\USB_Driver”, click “Next”. Then it will install successfully.

b.Detailed installation information please refers to “2.2 Installing USB Driver” in Color Quality Management System User Manual.doc.

8. Notes for First Using CQCS3 Software

a. Users must specify Standard File Name, Sample File Name and Sample Database File Name when first use.

b.Standard File is use to store standard measurement data. Sample File is used to store sample measurement data. Sample Database File is used to store the measured data exported from sample records.

9. How to solve the problem when “Connection Timeout” occurred?

a. When the colorimeter is disconnected to the PC, “Connection Timeout” will occur. At the moment, you have to check whether the USB cable is well connected the colorimeter and the PC. Then you can re-plug the USB to try out.

b. After ensuring the colorimeter is connected to the PC with USB cable, turn on the colorimeter and enter the main menu. Select “Comm” and press “Enter” key to start communication.

c. Turn off CQCS3 software, and reopen it.

10. How to solve the problem when the interface display "USB Disconnect"

a. Check whether the USB cable is connected. If not, please connect it. Check whether the connection is effective. You can re-plug the USB cable to test.

b. If the USB cable is connected well but the interface still displays "USB Disconnect", please re-start the colorimeter and enter "Menu" -"Comm"to start the communication.

c. Change the USB cable or change the USB port in you PC.

11. How to solve the problem when the colorimeter cannot be turned on in the condition of battery-powered?

a. If this phenomenon occurred, it means the battery power is not enough. You need to charge the battery.

b. When charge the battery, please insert the battery to the instrument, and plug in the adapter to charge the battery. After 5 minutes, the instrument can be turned on.

c. If the instrument still cannot be turned on after charging 5 minutes, you can pull out the adapter and re-plug in to check it. Or repeat this operation.

d. If the instrument still cannot be turned on after charging 5 minutes, you can turn off the colorimeter and turn on it again to check it. Or repeat this operation.

e. If you have tried all the methods above but the colorimeter still cannot be turned on, please change the battery.