sandersAssociates :: graphic7 :: GA-77-274 Rev F Graphic 7 Acceptance Test Procedure May1981 . pes and quantitiesof data: DISPLAY DATA TYPE QUANTITY PER DISPLAY FORMATA B C Alphanumerical characters, 1000 750 750 small Alphanumerical characters, 1000 250 250 large Vectors, short — 100 500 Vectors, long 15 60 30 Circle, small — 15 30 Circle, large — 15 10 Average positioning 40 60 100 Each format will be displayed simultaneously on a different display,indicator with a fourth indicator displaying a composite patternconsisting of formats A, B, and C combined. Procedure 1. Verify that four display
sandersAssociates :: graphic7 :: GA-77-274 Rev F Graphic 7 Acceptance Test Procedure May1981 . pes and quantitiesof data: DISPLAY DATA TYPE QUANTITY PER DISPLAY FORMATA B C Alphanumerical characters, 1000 750 750 small Alphanumerical characters, 1000 250 250 large Vectors, short — 100 500 Vectors, long 15 60 30 Circle, small — 15 30 Circle, large — 15 10 Average positioning 40 60 100 Each format will be displayed simultaneously on a different display,indicator with a fourth indicator displaying a composite patternconsisting of formats A, B, and C combined. Procedure 1. Verify that four display indicators are connected as per figure4-14. It is assumed that each indicator was previously tested aspart of paragraph (display indicator options tests). 2. Position the GRAPHIC 7 T2C data load test program in the paper tapereader and load it according to the loading procedure contained inAppendix A. 3. Start the program as follows using the keyboard: SIZE CODE I DENT NO. 94117 SCALE * DWG NO. 1088690 SHEET 88 OF 107 OP—909 REV—A LTR DISPLAY INDICATORS REVISIONS DESCRIPTION. DATE APPROVED TERMINALCONTROLLER Figure 4-14. Data Load Test Test Set-Up SIZE CODE IDENT NO. 94117 SCALE i DWG NO. 1088690 SHEET 89 OF 107 OP—909 REV—A REVISIONS LTR DESCRIPTION DATE APPROVED (continued) a. Carriage return b. 1000 G c. Carriage returnVerify that the display patterns of figures 4-15, 4-16, 4-17, and 4. 5. 6. 4-18 appear simultaneously on all four display indicators. Verify that there is no observable flicker (see note). NOTE No observable flicker for P39 phosphor only. Verify, using an oscilloscope, that the frame time is less than 33ms when measured on the terminal controller output channel forindicator number 4 (composite picture), figure 4-18. i OP—909 REV—A SIZE A CODE IDENT NO. 94117 SCALE DWG NO. 1088690 T SHEET 90 OF 107 REVISIONS LTR DESCRIPTION DATE APPROVED
Size: 1344px × 1860px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectdisplay, bookyear1919
