Zenith PRO895X setup guide Digital Display Setup Procedure Geometry Convergence, Remote

SYSTEM ALIGNMENT

DIGITAL DISPLAY SETUP PROCEDURE GEOMETRY CONVERGENCE

Geometry controls all three colors at the same time. January 1998

Remote	Adjustment	Goal	Remote			Adjustment	Goal
Key			Key
1. SIZE	H. Size	Set to fill screen at C and D. (Use		19. T/L KEY		V. Top Key	Set top edge E-F straight with respect
		external source not internal test					to screen border.
		pattern)
				20. T/L PIN		V. Top Pin	Set for straight top edge, line E-F.
2. SIZE	V. Size	Set to fill Screen at A and B. (Use
		external source not internal test	21.		T/L S	V. Left S	Set for straight edge, line E-F (middle
		pattern.)					areas J & L move opposite; center A
							and ends E & F are stable).
3. LIN TB LR	H. Lin L-R	Set equal widths CZ=ZD
			22.		T/L KEY	H. Left Key	Set left edge E-G straight with respect to
4. LIN TB LR	V. Lin T-B	Set equal height AZ=ZB					screen border top and bottom move in
							opposite directions, center C is stable).
5. LIN C	H. Lin C	Set box width at center equal to
		average of left and right box widths		23. T/L PIN		H. Left Pin	Set for straight left edge, line E-G
		and size.					(corners E & G move, center C is stable).
6. LIN C	V. Lin C	Set box heights at center equal to	24.		T/L S	H. Left S	Set for straight left edge, line E-G
		average of top and bottom box widths					(middle areas N & P move opposite; center
		and size.					C and ends E & G are stable).
7. SMALL	H&V Video	Set the position of the external source	25.		IN-KEY	H. In Key	Set J-K and L-M straight with respect to
ARROWS	Phase	to be centered on the screen.					line E-G, A-B, and F-H (adjust for
							minimal internal keystone; top bottom
8. SKEW	V. Skew	Level line C-D.					move in opposite directions; centers 3 and
							4 are stable).
9. BOW	Bow V.	Straighten line C-D (note that some
		screen frames are curved).	26.		IN-PIN	H. In Pin	Set J-K and L-M straight (adjust for
							minimal internal pincushion).
10. SKEW	H. Skew	Line A-B edges equal distance to
		screen edge.	27.		W-MV	W-M	Average error for straightest lines G-H
							and E-F (middle areas K & M, and J & L
11. BOW	H. Bow	Straighten Line A-B					move in same direction; center B, A and
							ends G & H, are stationary).
12. KEY	V. Key	Set bottom edge G-H straight with
		respect to screen border.	28.		Touch up all controls		Due to the interaction of IN-XXX con-
							trols, key controls, and pin controls for
13. PIN	V. Pin	Set for straight bottom edge, line G-H					best overall convergence, it may be
		(corners G & H move, center B is					necessary to ‘tweak’ the other controls.
		stable.)
14. S-ING	V. ‘S’	Set for straight bottom edge, line G-H
		(middle areas K & M move in opposite
		direction, center B; and ends G & H are
		stable).
15. W-M	V. W-M	Adjust for straightest line G-H (middle
		areas K & M move in same direction,
		center B and ends G & H are
		stationary).
16. KEY	H. Key	Set right edge F-H straight with respect
		to screen border (top and bottom move
		in opposite directions; center D is
		stable.)
17. PIN	H. Pin	Set for straight right edge, line F-H
		(corner F&H move, center D is stable.)
18. S-ING	H. ‘S’	Set for straight right edge, line F-H
		(middle areas O & Q move opposite and
		center D and ends F & H are stable.)

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