User`s manual

Epson FX Emulation9–28
Horizontal Tab Execute
ASCII Code HT
HEX Code 09
Purpose Moves the simulated print head to the next horizontal tab stop.
Comment Power–on default horizontal tabs are set at every eighth character at
the current character spacing. Tab positions are not affected by a
change of font or character width. Blank spaces between HT stops
are not underlined in underline mode.
This command is ignored if a justification mode ESC a n is set with
n 0, emulating the FX.