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'SL' |
Start VFU Load |
Character Printer
Use 'SL' to start VFU load. The data following 'SL' (from 'SL' up to an 'EL') defines the VFU channels.
The total number of characters defines the page length; the characters themselves represent the channels that can be slewed to. The first character must be a 1 (channel 1).
'EL' Start Edit Key Load/End VFU Load
'S#' Slew to Channel
'VT' Slew to S6, Vertical Tab