Chapter 14: Epson - Standard Functions
14-23
a line feed command. This command deactivates double width
printing for one line.
Function Dec. Hex. ASCII
Backspace 8 08 BS
This command sets the print position at the last received printable
character; it is executed if a printable character or a print command
then follows.
The actual width of a backspace depends on the current pitch.
When using proportional spacing the backspace command moves
the print position for the first character to be overprinted to the left
by the proportional width of that character. For all following BS
commands the print position will be set 1/10 inch to the left. If the
print position is reset to a superscript character, a reverse line feed
is executed to the position of the character in question and the next
character is printed superscript; however, the alignment may not be
quite exact. If the print position is to be reset by several characters, a
backspace command must be entered for each character to be over-
printed. However, the print position cannot be reset beyond the left
margin. With this command specially composed symbols can be
printed which are not available in the character set used.
Function Dec. Hex. ASCII
Delete buffer 24 18 CAN
This command deletes all printable characters in the line buffer.
Functions set by this command are not reset, nor is the receive buf-
fer deleted.
Function Dec. Hex. ASCII
Delete last character 127 7F DEL
This command deletes the last character entered into the print buf-
fer. Spaces are also deleted by this command. If the last received
character was a horizontal tab, one space only, but not the whole
tabulator jump, is deleted. If the character to be deleted defines gra-
phic data, the command is ignored.
Backspace
Delete last
character
Delete Buffer
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