5.2.2  P command (P : Printer) 
I Function  I  This command is used as follows 
to 
control the 
plotter 
printer: 
*PABCJ 
Prints 
the 
letters "ABC". 
*P&TJ 
Prints 
the 
test pattern. 
*P&SJ 
Sets 
the 
line width (character size) 
to 
80 
characters/line. 
*P&LJ 
Sets the line width (character size) to 
40 
characters/line. 
*P&GJ 
Switches 
the 
printer 
to 
the 
graphic mode. 
*P&CJ 
Changes 
the 
pen calor. 
5.2.3  M command 
(M 
: Memory modification) 
Format  I  M h h h h 
Function 
h  h  h  h  .  .  .  .  .  starting address 
This command 
is 
used 
to 
change 
the 
contents 
of 
memory a 
byte 
at a time, starting 
at 
the 
specified address. 
*
MC
000
J 
C
000 
00 
FF 
C00
1 
00 
FF 
C
002 
00 
FF 
C
003 
00 
FF 
C
00
4 
00 
ISH 
I 
FT 
1
+1 
BREAK 
I 
*MC
0
10J 
C0 1 0 
00 
88 
C01
1 
00 
88 
C
01
2 
00 
88 
C
01
3 
00 
88 
C014 
00 
ISH 
I 
FT 
1+ 1 
BR
E
AK 
I 
* 
To terminate 
the 
M command, simultaneously press 
the 
I 
SHIFT 
I and I 
BREAK 
I keys. 
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