Digital Equipment VR320 - Vertical Linearity (VLIN); Vertical Centering (VCEN); Height (HEIGHT); Horizontal Width (WIDTH)

4–14 Aligning the Video Monitor
This section covers the following adjustments:
• Vertical linearity (VLIN)
• Vertical centering (VCEN)
• Vertical height (HEIGHT)
• Horizontal linearity (HLIN)
• Horizontal phase (HPHASE)
• Horizontal centering (HCEN)
• Horizontal width (WIDTH)
• Side pincushioning (PIN)
• Trapezoid (TRAP)
• Dynamic focus (FOCUS1, FOCUS2, DYN PHASE, HPARAB, and
VPARAB)
For these adjustments, select the circle-crosshatch pattern or the all-white
pattern from your host system. Before starting the deflection adjustments,
place the horizontal centering and the vertical centering user controls at
the mid-point position.