Acer AL1916, Руководство по обслуживанию

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opposite boxes, A&C or B&D. Btgt will only be displayed for aligning the LMD. It will be
turned off for the actual measurement.
♦
The target box point (Btgt) will be measured with the source box (Bsrc) turned on then off.
(Btgt is for alignment purpose only) Display the background only at level Gbkg. Display
Btgt determined in step 2 above. Using the correct distance, angle, and measurement
aperture, align the LMD to the center of the Btgt. Turn off Btgt. With Gbkg set to its
proper level, measure the luminance (or color). Next,turn on the source box Bsrc. Again
measure at the center point of Btgt (without Btgt present.). In this case the LMD will be
measuring the shadowing level, Lsh.
Panel Relative Humidity
JP777-E02
Input Signals
Video input
•
Type Analog R, G, B.
•
Input Impedance 75 ohm +/- 2
%
•
Polarity Positive
•
Amplitude 0 - 0.7 +/- 0.05 Vp
•
Display Color same as LCD panel
Sync input
•
Signal separate horizontal and vertical sync, or composite sync
which are TTL compatible
•
Polarity positive and negative.