IBM 4400 Double High Print, Set/Reset, Double Strike

Double High Print, Set/Reset
165
Double High Print, Set/Reset
ASCII Code ESC w n
Hex Code 1B 77 n
Dec Code 27 119 n
Purpose Turns double-high character printing on and off. Double-high
characters are standard width but twice as high.
where:
n =hex 1 or hex 31 turns double high printing on
n =hex 0 or hex 30 turns double high printing off
†Comment TheOCR A and OCR B fonts cannot be printed in doubl ehi gh.
NOTE: It is recommended to use double Line Feeds and Carriage Returns
when double-high character printing is on (after an ESC w control
code has been sent), or else the printer overstrikes text that has
already printed.
†If Superscript/Subscript (ESC S) or Condensed Print (SI) is
combined with Double High printing,
only Double High printing
occurs.
Example The following sample illustrates double-high character printing.
Double Strike
ASCII Code ESC G
Hex Code 1B 47
Dec Code 27 71
Purpose Makes text bolder by selecting a bold font.
†Comment Thiscom mand makes text bolder by selecting a bold font.
Example The following sample illustrates bold character printing.