Printronix LQH-HWTM Appendix C

284
Appendix C Paper Motion Using the PI Line (Relative Line Slewing)
The binary slew commands can skip from 1 through 15 or 1 through 16 lines
on the form, depending on how the Slew Range configuration option is
configured. Refer to Table 24 which illustrates how lines are s kipped for each
value. (Note that the state of data bit 5 is the difference between line slewing
and using the interface lines as EVFU channel codes.) This type of vertical
paper motion occurs whenever the line slewing command is used regardless
of whether the EVFU memory is loaded or not.
Table 24. Line Space Slewing
ASCII
Hex 7 6 5 4 3 2 1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
1
1
1
1
0
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Dec
X = Undefined, 0 or 1 1 = High 0 = Low
8*
1
1
1
1
1
1
1
1
1
1
0
115
Data Bits
Code
10
11
12
13
14
15
16
17
18
19
1A
1B
1C
1D
1E
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
DLE
DC1
DC2
DC3
DC4
NAK
SYN
ETB
CAN
EM
SUB
ESC
FS
GS
RS
1F 31 US 16
Slew Range
Configuration Value
01
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
1
X
X
X
X
Note *The ASCII values in Table 24 assume that all undefined bits
are set to 0. When the PI line is enabled, data bit 8 is the PI
line on a serial interface, and data bit 8 is undefined on a
parallel interface.