Philips 27PS60S321 Technical Service Data page 17

Horizontal:
Horizontal Parallelogram (HP) Aligns straight vertical lines at the top and the
bottom of the screen; vertical rotation round the center.
Horizontal Bow(HB) Aligns straight horizontal lines at the top and the bottom of the
screen; horizontal rotation around the center.
Horizontal Shift(HSH) Aligns the horizontal center of the picture to the horizontal
center of the CRT.
East West Width(EWW) Aligns the width of the picture.
East West Parabola(EWP) Aligns straight vertical lines at the sides of the screen.
Upper Corner Parabola (UCP) Aligns straight vertical lines in the upper corners of
the screen.
Lower Corner Parabola (LCP) Aligns straight vertical lines in the lower corners of
the screen.
East West Trapezium(EWT) Align straight vertical lines at the middle of the screen.
Figure: Vertical Menu
Vertical:
Vertical slope (VSL) Aligns the picture so the proportions are the same at the top
and bottom of the screen. This alignment must be performed first, before all
other vertical alignments. Turning SBL ON will assist in performing this
alignment.
Vertical Amplitude(VAM) Aligns the height of the picture (other vertical alignments
are NOT compensated).
Vertical S-Correction (VSC) Aligns the vertical linearity, so that the vertical intervals
of the grid-patterns are the same over the entire height of the screen.