Epson LQ-2500 User Manual - Page 98

Control key chart, n

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More complex commands consist of two or more character codes. For example, to print in proportional mode the code format is: ASCII code: ESC p n Decimal: 27 112 n Hexadecimal: 1B 70 n In this case n can be either 1 or 0, to begin or end proportional printing. To turn ON proportional printing from BASIC the command would be: LPRINT CHR%(27);CHR$( 112);CHR$( 1) Control key chart Some application programs can use control key codes for decimal values O-27. The table below gives you the proper values. The Control Key column indicates that you press the control key at the same time you press the key for the letter or symbol in that column. For example, you press the control key and A at the same time to send the value 1. Some programs that use this system cannot use control-@, and many programs use the control keys for other purposes. Dec. Hex. Cntl. Key 0 00 @ 2 02 B 2 02 B 3 03 C 3 03 DC 5 05 E 6 06 F 7 07 8 08 H 9 09 1 10 OA J 11 OB K 12 oc L 13 OD M Dec. Hex. Cntl. Key 14 OE N 16 10 0 16 10 P 17 11 Q 178 112 19 13 S 20 14 T 21 15 U 22 16 V 23 17 W 24 18 X 25 19 Y 26 1A Z 27 1B 1 Command Summary A-3

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More complex commands consist of two or more character codes. For
example, to print in proportional mode the code format is:
ASCII code:
ESC p
n
Decimal:
27
112
n
Hexadecimal: 1B 70
n
In this case
n
can be either 1 or 0, to begin or end proportional printing.
To turn ON proportional printing from BASIC the command would be:
LPRINT CHR%(27);CHR$( 112);CHR$( 1)
Control key chart
Some application programs can use control key codes for decimal
values O-27. The table below gives you the proper values. The Control
Key column indicates that you press the control key at the same time
you press the key for the letter or symbol in that column. For example,
you press the control key and A at the same time to send the value 1.
Some programs that use this system cannot use control-@, and many
programs use the control keys for other purposes.
Dec.
Hex.
Cntl. Key
Dec.
Hex.
Cntl. Key
0
00
@
14
OE
N
2
02
B
16
10
0
2
02
B
16
10
P
3
03
C
17
11
Q
3
03
C
17
11
0
D
18
12
5
05
E
19
13
S
6
06
20
14
T
7
07
F
21
15
U
8
08
H
22
16
V
9
09
1
23
17
W
10
OA
J
24
18
X
11
OB
K
25
19
Y
12
oc
L
26
1A
Z
13
OD
M
27
1B
1
Command Summary
A-3