Select Peripheral Device; Initialize Printer; Set Horizontal Tab Positions - NCR 7193 Owner's Manual

7193 Owner's Guide

Select Peripheral Device

Selects the device which the host computer sends data to.
When the printer is disabled by this command, it ignores transmitted data until the printer
is re-enabled by the same command.
Hexadecimal
1B 3D n
Other bits of n are undefined and ignored.

Initialize Printer

Clears the print line buffer and resets the printer to the following default selections
(startup configuration):
Hexadecimal
1B 40

Set Horizontal Tab Positions

Sets up to 32 horizontal tab positions in ascending order n columns from column one, but
does not move the print position. See the Horizontal Tab (09) command. The command
ends with hexadecimal 00; hexadecimal 1B 44 00 clears all tabs. The tabs cannot be set
higher than the column width of the current pitch: standard pitch = 44 columns;
compressed pitch = 56 columns.
Hexadecimal
1B 44 n1 ...
n32 00
Print and Feed n Minimum Units
Prints one line from the buffer and feeds the paper n/360 inch. The line height equals the
character height when n is too small.
Hexadecimal
1B 4A n
Note: If the Set Horizontal and Vertical Minimum Motion Units command (1D 50) is used
to change the horizontal and vertical minimum motion unit, the parameters of this
command (Print and Feed n Minimum Units) will be interpreted accordingly. For more
information, see the description of the Set Horizontal and Vertical Minimum Motion Units
command later in this chapter.
Decimal ASCII
27 61 n ESC = n
Single-Wide, Single-High, Non-Rotated, and Left-Aligned characters are set
Extra Dot Rows are set to two
User-defined characters or logo graphics (from RAM) are cleared
Character Set is set to Code Page 437 (default)
Character Pitch is reset to 15.2 CPI and column width to 44 (default)
Returns paper exhaust to the paper status line if an alternate status has been requested
(Parallel interface only)
Decimal ASCII
27 64 ESC @
Decimal ASCII
27 68 n1 ... ESC D n1 ...
n32 00 n32 00
Decimal ASCII
27 74 n ESC J n
Value of n
0 (bit 0), device not selected
1 (bit 0), device selected
Value of n Default
Column for Tab Every 8 chars. from
Minus 1 col. 1 (9, 17, 25, etc.)
Value of n
0-255
August 1998
Chapter 6: Commands
Default
1
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