Radio Shack TRS-80 DT-1 - Page 62

DT-I Owner's Manual
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seriaI -- Data arrives one bit at a tirœ through a single
wire and 7 or 8 bits set in a unique combination of voltage
levels defines a character. (See Parallel.)
Set Colurnn Tab -- Sets a typewriter-type tab for the entire
SCreen vertically (at the Cursor position).
Transparent Video -- Characters typed on the Keyboard are
sent to the Host, echoed to the Terminal, but NOl' displayed
on the Screen. The Cursor does not advance as characters
are typed. Used to prevent passwords being displayed as they
are typed.
Urrlerline -- Characters input following this comrand are
underlined.
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