Sony SRX-T420, Installation Manual

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2-16
SRX-T420
n
Set the V shift amount within 1/2 screen. If it exceeds 1/2 screen, the zoom is changed, the image position
may not be positioned at same place.
Check if the V shift amount exceeds 1/2 screen in the following procedure.
When the V shift amount exceeds 1/2 screen, perform the adjustment.
In the case that the V shift is lowered.
How to Check
.
When the image is expanded by zoom, the upper end of image position is lowered.
How to Adjust
.
Adjust the V shift so that the upper end of image position remains unchanged when the image is expand-
ed by zoom.
Effective area of lens
Effective area of lens
Center of lens
Image
Image
Fig. 2-4c
Effective area of lens
Effective area of lens
Center of lens
Image
Image
Fig. 2-4d