User`s manual

8–47IBM Proprinter Emulation
Select Attributes
ASCII Code ESC [ @ n1 0 0 0 n2 n3
Hex Code 1B 5B 40 n1 0 0 0 n2 n3
Dec Code 27 91 64 n1 0 0 0 n2 n3
Purpose Selects double high and double wide attributes, and single or double high
line spacing.
Discussion Parameter n1 selects the attributes from n2 and n3, as follows:
n1
Hex Value
Function
03
04
Set character height and line feed settings
according to the value of n2.
Set character height, line feed, and character
settings according to the values of n2 and n3.
Parameter n2 defines the height attributes, as follows:
n2
Hex Value
Function
01
02
Set single line height characters
Set double height characters
10 Set single line spacing
11 Set single height characters and single line spacing
12
Set double high characters and single line spacing
20 Set double line spacing
21 Set single height characters and double line spacing
22 Set double high characters and double line spacing
Parameter n3 defines the width attributes, as follows:
n3
Hex Value
Function
01
02
Set single wide characters
Set double wide characters