ViewSonic P90F Service Manual download pdf (Page 28)

Item Adjustment Description SPEC.

(b)Parallelogram

(Every Mode)

*Parallelogram Adj.:

Select Parallelogram Icon

Press UP OR DOWN Key.

to correct the Orthogonality to the best.

(c)Pincushion Adj.

(Every Mode)

*Pincushion Adj.:

Select Pincushion Icon

Press UP OR DOWN Key,

to straighten Side Pincushion.

(d)Trapezium Adj.

(Every Mode)

*Trapezium Adj.:

Select Keystone Icon

Press UP OR DOWN Key,

to make picture geometric distortion the best.

Pin distortion< 1.0mm

Left / right <1.5mm

(e)Pin−corner Adj.

(Mode 11)

*Pin−corner Adjustment:

Select Pin-corner Icon

Press UP OR DOWN Key,

to make picture geometric distortion the best.

(Note this Adj. Item is used to correct the four

corners in a small quantity)

< 0.5mm in 50 mm LINE

(9).Contrast

*Standard pre-set setting is Contrast adjust to

the maximum. NC

(10)Color

Temperature.

Adjustment

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P90f-1

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ViewSonic P90F Service Manual Page 28