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(2)
BOF
The BOF is defined as follows:
. When the FCB data has been loaded,
the BOF is the line
to
which the BOF
channel is first specified in the FCB or FCT.
(The
BOF
channel can be
specified with any channel
number at
the operator
pane.L.
For the
channel specification method, refer to Operator's
Guidq.
. When the FCB data has not been loaded or when the
SOF
channel is not
contained in the FCB, the BOF is the last line on the form (page)
without the skip-over perforation specification.
That is,
if the number
of lines skipped to the perforation is specified using the skip-over
perforation feature, the BOF is the last line not skipped. For the
setting method of the skip-over perforation feature, refer to Operator's
Guide.
4.4.2 Specification of a forms feed format
The forms feed information must be loaded into the FCB before forms feed,
except when a control code, LF code, or CR code, is specified.
The FCB data is loaded from the mainframe via the I/O interface or from the
optional FCT unit.
The loaded FCB data is used for forms feed control by the
FF code or by the Skip command transferred after print data.
Form (page) length and line spacing
(6/8
LPI) are set at the operator panel.
For the setting method, refer to Operator's Guide.
(1)
Format specification by FCB
The format control data is loaded from the mainframe into the FCB of the
printer in online mode.
Figure 4.8 shows the timing of FCB data loading.
WSB
---vv
+t
-
PI
-----
-----
-_---
-----
-+t-
WlFl-
SIF8
x
t
L
HI
L2
HI
>cjW=~
star1
code
Format control
Formar
ionrrol
Stopcode
Y'6C‘
data of line I
data of
line
2 X'6F'
X‘bD'
X'6E‘
Note:
i)
The PI signal level indicated by dashed lines can be either high or
low.
2)
The Ln and
Iln
indicate a low-order byte and a
hi;gh-order
byte.
Figure 4.8 Timing of FCB data loading
4
-
12
B02P-1500-OOOlA...O5