Olivetti PR 4 Programmer's Manual page 57

ESC U n
Turn on/off unidirectional printing mode
Hexadecimal code: 1B 55 n
n = 0-255
Range:
Turns unidirectional printing mode on or off.
When the LSB of n is 0, turns on unidirectional printing mode.
When the LSB of n is 1, turns off unidirectional printing mode and turns on bi-directional printing mode.
- When unidirectional printing mode is turned on, the printer prints from left to right.
Notes:
- To avoid horizontal misalignment, unidirectional printing mode should be used.
-
Only the lowest bit of n is enabled.
n = 0
Default:
ESC \ nL nH
Set relative print position
Hexadecimal code: 1B 5C ..
nL = 0-255
Range:
nH = 0-255
Sets the print starting position based on the current position.
- Use the supplement of n for setting n pitch movement to the left:
Notes:
- The print starting position is [(nL + nH x 256) x (horizontal motion unit)] inches calculated
from the current position.
- Any value that falls outside the printable area is ignored.
References: ESC $, GS P
ESC a n
Select justification
Hexadecimal code: 1B 61 n
n = 0-2; 48-50
Range:
Aligns all the data in one line to specified position.
n selects the type of justification as follows:
n Justification
0, 48 Left justification
1, 49 Centering
2, 50 Right justification
Epson TM-U950 Commands
- n pitch = 65536 - n
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