test card

noun

1. a complex pattern used to test the characteristics of a television transmission system

Example Sentences

You should have a distance test card placed at a distance of twenty feet from the person you are examining, and in a good light.

From Project Gutenberg

All the lines on the test card should look equally black and clear to the normal eye.

From Project Gutenberg

I do want to bring that out; the address on the aptitude test card, I see, is 3519 Fairmount in Dallas.

From Project Gutenberg