802BT/802R Video Test Generator User Guide
637
Method
On monitors with a single (static) focus adjustment, adjust the control for the best average
focus over the entire screen. The focus at certain locations of the screen should be within
specified limits.
Some monitors have a static and one or more dynamic focus controls. The sequence for
adjusting them and the areas of the screen that they affect depend on the monitor under
test.
Focus_Cx
Description
In the primary version (shown below), the screen is filled with white Cx characters on a
black background. The secondary version is drawn with black characters on a white
background.
Test
Focus adjustments
Purpose
An out-of-focus monitor displays fuzzy graphic images and poorly formed, hard-to-read
text characters.
Method
On monitors with a single (static) focus adjustment, adjust the control for the best average
focus over the entire screen. The focus at certain locations of the screen should be within
specified limits.
Some monitors have a static and one or more dynamic focus controls. The sequence for
adjusting them and the areas of the screen that they affect depend on the monitor under
test.
Summary of Contents for 802BT
Page 1: ...802BT 802R Video Test Generator User Guide ...
Page 52: ...42 Chapter 2 Testing Video Displays ...
Page 62: ...52 Chapter 3 Administrative Tasks ...
Page 118: ...108 Chapter 7 Using GPIB Interface ...
Page 194: ...184 Chapter 10 Testing EDID ...
Page 204: ...194 Chapter 11 Testing HDCP ...
Page 214: ...204 Appendix A Command Reference Commands by name ...
Page 595: ...Video Test Generator User Guide 585 ...
Page 611: ...Video Test Generator User Guide 601 ...
Page 612: ...602 Appendix A Command Reference ...
Page 716: ...706 Appendix B Image Reference ...
Page 744: ...734 Appendix C Error Messages ...