Kortek KT-2914F Service Manual page 13

b) Vertical size adjustment
adjustment : use to "V-SIZE", 400¡¾3mm
c) Horizontal position adjustment
adjustment : use to "H-POS"
d) Vertical position adjustment
4-2-2 Trapezoid adjustment
frequency : all mode
signal pattern : cross hatch
4-2-3 Pin balance adjustment
frequency : all mode
signal pattern : cross hatch
D1
4-2-4 Parallelogram adjustment
frequency : all mode
signal pattern : cross hatch
A
B
£üA-B£ü< 2.5mm
£üD1£ü,£üD2£ü¡Â1mm
D2
A
B
5mm
D1