BS EN 61966-5:2009 pdf download

BS EN 61966-5:2009 pdf download.Multimedia systems and equipment – Colour measurement and management- Part 5: Equipment using plasma display panels.
5 Conditions
5.1 Environmental conditions
All measurements specified in this standard shall be carried out in a dark room. Particular attention should be paid to reflected illumination caused by the ambient objects (desktop. wall. etc.) and to direct Illumination from light-emitting indicatos of measuring instruments.
A I h warm-up time should precede the measurements in 7.2, 9,2, 10.2. 11,2 and 14.2, if not specified by the manufacturer of the equipment.
The mains voltage and frequency shall be at the rated values specified by the manufacturer of a PDP display. When the mains voltage fluctuates, a regulated power supply should be used to maintain the supply voltage within ±5 % of the rated velue.
Other environmental conditions such as room temperature and relative humidity shall be reported together with the results of the measurements.
If additional environmental conditions are described in the manufacturer’s specifications, these should also be taken into account.
5.2 ConditIons of m•asurem•nts
Contrast, brightness and additional adjustments shall be set to the preset positions specified by the manufacturer of the PDP display under measurement. When the adjustment is set to a position other than the preset, the position or corresponding value should be reported with the results of the measurements.
The equipment arrangement for non-contact measurements should be as shown In figure 1. It Incorporates a spectroradiometer or a non-contact colorimeter, depending on the characteristics to be measured, The instrument optical axis should be normal to the centre of the surface of the PDP display.
The distance d between the faceplate of the PDP display and the measuring instrument shall be 4 h or larger, where h is the effective scteen height of the display, see Figure 1.
NOTE I It is recommended to take precautions so that the measurement 4 not influenced by vbrataon and fIrst thai. are no missing picture elem.nts *ith.n the fi.ld of view 01 themeasuring instrument
NOTE 2 The measurement area in the colour patch should include more than 500 picture elements
It the colorimeter used for measurements does not meet the above specifications, the model name and specification of the equipment shall be reported together with the results of measurements
NOTE 4 It is Irnown that small tilt angles of the contact.measunng head oa the surface of the POP display can lead with some instruments to large chromatucaty errOrs. Therefore. care should be taken.
NOTE 5 SynchrOnhlation or the cotorimeter and scan timing or the PDP display should be taken Into account
7 Spectral characteristics and intensity of the primaries and white
7.1 CharacterIstics to be measured
Spectral radIance distributions and corresponding tristimulus values for the peak of three primaries, red — green — blue, as well as white.
7.2 Measurement conditions
The arrangement of equipment shall be as in Figure 1 with the spectroradiometer.