Boundless Technologies ADDS 3153 ASCII Screen Display and Pages, Bottom Status/Label Line Display

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12 Introduction

Screen Display and Pages

This terminal offers a variety of screen lengths including 26, 30, 44, or 52 lines. These numbers include the top and bottom status lines (or label line), as well as the lines used to display data. A “page” of terminal memory represents the total number of lines that can be accessed, whether or not they are all viewable on the screen at once. Refer to Appendix A for the number and lengths of pages available for your setup.

The page length is comprised of a base page length multiplied by 1,2,4, or 8. For instance, in certain modes, 24 (24x1), 48 (24x2), and 96 (24x4) are available, the same way that 25(25x1), 50 (25x2), and 100 (25x4) are. The base page length and the screen size determine whether a bottom status line or label line is displayed or not.

Bottom Status/Label Line Display

With a screen length of “26 lines,” the page lengths that are multiples of 24 allow the bottom status/label line to be displayed, while those that are multiples of 25 do not. The same idea applies with the 44 line screen size. A page length with 42 lines as a base page size will display a label line, while the 43 line base page length will not. An exception to this rule is if the screen length is significantly larger than the that page size, then the label line will be displayed, such as if the screen is 44 lines and the page length is 25 lines.

Viewports

Up to three viewports can be selected on a page. Each viewport has its own character attribute, cursor position, field attribute propagation, tab stops and scrolling region. All of the viewports are displayed on the same screen and can be partitioned with a visual separator line. If the keyboard is associated with one viewport and the host is associated with another, it is possible to receive data in two viewports simultaniously.

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Contents Adds 3153 Ascii Display Terminal Page Contents Ascii Emulations Ansi Emulations IBM Emulation Tabs F10 Answerback F11 Program F12 Preface Adds 3153 Programmer’s Reference Manual This guideUSA and Canada calls 800-231 International calls NumberTo Disconnect How to Connect/Disconnect the TerminalSCO Trademarks and Service MarksFederal Communication Commission FCC Statement Electronic Emission NoticesCanadian Department of Communications Compliance Statement Korean Government Ministry of Communication MOC Statement Safety Notices Xii Preface Compatibility FeaturesDisplay Desk AccessoriesCharacter Sets CommunicationsKeyboards Physical FeaturesIntroduction Features Key PC Keyboard US Ansi Keyboard Usage Notes Receive Flow Control CommunicationsTransmit Flow Control Host/Printer Port 1 RS-232-C or RS-422 Parallel Printer Port Host/Printer PortTerminal to Modem DCE or Host Terminal to Host DTE or Printer Bottom Status/Label Line Display Screen Display and PagesViewports Visual Effects of Screen and Page Lengths Introduction Physical Connections Know Your DevicesLinking Ports to Sessions Number of Sessions SelectionNo Printer Option Communications Setup SelectionsKnow Your Serial PortS Protocol Connection a Host DCEConnection C RS-232 with Modem Connection B Host DTEConnection D RS-232-C with Modem Connection E PrinterAdditional Setup Options Emulation Setup SelectionSave Parameters Establish CommunicationsHost/Printer Connection Guide Common SetupsSES1-EIA DTE SES2-AUX DCE PAR User Settings Adds VP Entry and Exit OverviewMovement Inside Menus Saving ParametersAction Fields Dual Session ModeKey Menu Parameters Available Setup MapANSI-ID Emulation=IBM Quick F1Enhanced On, Off General F2Auto Wrap On, Off Display F3 Width Change Clear On, Off Keyboard F4 Keys F5 Return Key Repeat On, Off Enter Key can be defined to be either a Send or Return Key Select the characters sent by the tic/tilde key See the Quick menu earlier in this chapter Ports F6Host F7 Print F8 Ascii Emulations Emulation F9Setup Save Labels Off, On IBM Emulation Ansi EmulationsSet Control Temporary, Permanent Tabs F10 Answerback F11 Keys = F1 Program F12When Program = Edit Key or Sh-Edit Key, the choices are Save Terminal Execute Prnt ScEdit Fields Glossary of Terms Session Parameters ResetDesk Accessory Menu Desk AccessoriesInhibiting Access Direct AccessExit Keystrokes Clock CalendarCalculator Page Ascii Chart Diagnostic Menu Local Keys AppendixLocal Keys Local Keys Local Keys Configurations-Single and Dual Session User’s Notes Page Technical Support

ADDS 3153 ASCII specifications

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