6.4.3 HarId copy printout of graphics (TNC 155 only)
In the “EXT’‘-mode, a suitable matrix printer can be connected to the RS-232-C (V.24) data interface of the
TNC 155 for hard copy printout of the graphics image. The following parameters alre required for
controlling the printer (output sequence: information of bits 8 - 15 prior to bits 0 - 7):
.
Parameter
bit
Function
No.
226
8- 15 Number of command characters from the control for
3 and ESC:
setting the printer interface (binary)
795
227
o-7
Command character
8- 15
Command characters
228
8-15
Number of points/Line height (binary)
_I_
unassigned
229
230
o-7
8- 15
o-7
8- 15
unassigned
Number of command characters
from the control
I
1 before each printer line (binary)
231
232
233
-
o-7
8- 15
0-7
8- 15
o-7
8- 15
Line feed
-^
Command character
Command character
Number of
points per
line
unassigned
~--
--
Entry values *
for:
A and 8
16648
0
0
5and LF:
1290
ESC and N:
6990
512:
2
0
*The specified command characters and entry values are valid for the printer type TI OMNI 800
Model 850 XL Printer.
Before setting the printer into operation, check that an 8-bit data format has been programmed.
Parameter
No.
Entry value
222 j 169
As of software version 08:
With hardcopy printout of a graphics image, the TNC automatically switches to 8 data bits.
The TI-Matrix printer is equipped with a code switch. For graphics printout, the following switch setting is
reauired:
Channel 1 on
8 bit data format
--
Channel 2 off
Line feed non-automatic
Channel 3 off
Channel 4 off
Letter set English (UK)**
Channel 5 on
Channel 6 on
Channel 7 on
9600 Baud
Channel 8 off
Connecting cable for TI-Matrix printer
V.24 (RS-232-C)
TI-printer input
Adapter output
36 pole
25 pole
contact:
7
19
SIGNAL GND
6
34
DSR
20
33
DTR
2
16
TXD
5
15
CTS
3
35
RXD
**English (US) Channel 3 off, 4 off, 5 off
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