B112200802006 LED electronic display equipment inquiry letter correction announcement

Each bidder:

According to the purchaser's application, the relevant contents of the LED electronic display of B112200802006 inquiry letter are corrected as follows:

1. Correct the "256 levels of gray" in item (2) of the first item to "256 × 256 levels of gray";

Second, LED electronic display parameter indicators

Φ 3.0mm double primary color 256 × 256 gray LED video screen technical parameters:

◆ Pixel size: Φ 3.0mm

â—† Pixel composition: 1 red 1 green double primary color

â—† Resolution: 62500 points / square meter

â—† Display grayscale: red and green double primary color, 256 grayscale

â—† Display color: 65536 colors

◆ Viewing angle: ≥ ± 75 degrees

â—† Screen line of sight: In the 2----30 meters, the fonts of various fonts are clearly visible.

â—† Best viewing distance: 5----20 meters

â—† Continuous display: more than 24 hours

â—† Display life: more than 100,000 hours

â—† Communication distance: 100 meters (uninterrupted)

â—† Display performance: no towing, no glitch, no flicker, no jitter

â—† Unit weight: (including structure and power supply parts) less than 28 kg / square meter

â—† Communication mode single network Cable transmission

â—† Maximum power consumption: 900W/m2

◆ Flatness: screen diagonal) ≤ 2 degrees

◆ Grounding resistance: ≤ 4 ohms

â—† Brightness: 350CD/m2

All bidders are requested to bid for the bid according to the corrected inquiry letter, and other requirements remain unchanged.

Hereby correct the Dali State Government Procurement Center February 21, 2008

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