Quantum Data 881 User Manual page 998

Purpose
BLU_EM+, GRN_EM+, RED_EM+, WHT_EM+, MEMEPlus, MEPlus_B,
MEPlus_G, and MEPlus_R
Description
Test
Purpose
560 Appendix B Image Reference
This pattern is specified by some display manufacturers for checking and adjusting focus
one color at a time.
In the primary version, the screen is filled with blue (BLU and B), green (GRN and G), red
(R), or white (WHT and Sony) EM character blocks on a black background. Only the white
character has a secondary version. It is drawn with black characters on a white
background.
A bitmap of a single character block is shown here. The BLU_EM+ image is shown below.
Focus
This pattern is specified by one or more display manufacturers for checking and adjusting
focus one color at a time.