Sony SRX-R320, Installation Manual

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2-28
SRX-R320
[SELECT]
button
“MASKING ADJUST”
menu
“LENS CONTROL” menu
“ELECTRIC V SHIFT FUNCTION” menu
“TEST PATTERN” menu
Fig. 2-6-1
2-6. Field Angle Adjustment
The fi eld angle adjustment method in this section conforms to the DCI speci fi cation.
(Lens, adjuster, image size, image position)
The
fi eld angle adjustment method is classi fi ed into two types depending on the masking method of the
theater screen.
.
Side Masking
.
Height Masking
2-6-1. Side Masking
Applicable theater
The fi eld angle of screen is changed in the horizontal direction.
Preparation
The adjustment method varies depending on whether the V shift amount required for the fi eld angle
adjustment is more or less than 1/2 screen.
Check the required V shift amount before adjustment.
1. Fix the H shift at the center.
2. Project the Scope/Flat pattern.
3. Adjust to the
fi eld angle of Flat using the zoom, focus and V shift.
When the tilt of this unit is required, determine that the V shift is 1/2 screen or more in step 4 without
performing adjustment.
4. Check whether the V shift is more or less than 1/2 screen shift according to “2-3. Lens Adjustment (H
Shift, V Shift, Zoom and Focus Adjustment)”.
Adjustment