... 320*240 LCD can show results and histogram in one page. Major FeaturesLCD large-screen display,320*240 lattice, backlight, LED ... the requirement of G. 704(6) Testing pattern: 26-1, 29-1, 211-1, 215-1, 220-1, 223-1, and ... 120Ω, up to G.703(5) Testing pattern: 26-1, 29-1, 211-1, 215-1, 220-1, 223-1, and ... the same as the generator. (4) Testing pattern: 26-1, 29-1, 211-1, 215-1, 220-1, 223-1, and ...