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6 - 20 THE CPL PROTOCOL
"S" setup text will be specified for register n; if "S" and n are left out,
user text is specified
n one of the setup registers, ranging from 0 to 10;
n=0 selects the current setup
char a character byte; range = 0 to 12, 14 to 255
(refer to character code table 6.1)
The following table contains the decimal codes of the character set for the screen
of an oscilloscope:
CHAR CHARACTER DESCRIPTION
0 .. 12 Control up/down character (conform char. 127)
13 Command terminator ASCII CR
(may not be used)
14 Control up/down character (conform char. 127)
15 and 16 Positive and negative slope characters
17 and 18 Positive and negative pulse characters
19 Dual slope character
20 Special marker (X)
21, 22, 23 Delta, degrees, micro characters
24 and 25 Low impedance (low_z) and omega (Ohm) characters
26 and 27 Arrow up and down (char. 27 is also ESC
character)
28 and 29 AC and ground (channel coupling) characters
30 Register off (but filled) character
31 Filled o character
32 ASCII space character
33 .. 35 ASCII characters ! " #
36 External Trigger char character E
T
37 .. 39 ASCII characters % & ’
40 .. 47 ASCII characters ( )
*
+ , - . /
48 .. 57 ASCII characters 0 1 2 3 4 5 6 7 8 9
58 .. 64 ASCII characters : ; < = > ? @
65 .. 77 ASCII characters A B C D E F G H I J K L M
78 .. 90 ASCII characters N O P Q R S T U V W X Y Z
91 .. 95 ASCII characters [ \ ] ^ _
96 Menu selection indication
97 .. 109 ASCII characters a b c d e f g h i j k l m
110 .. 122 ASCII characters n o p q r s t u v w x y z
123 Menu return indication
124 | character
125 and 126 Menu rocker key up and down characters
127 Control up/down character ( )
128 .. 255 Control up/down character (conform char. 127)
Table 6.1 Character code table for oscilloscopes.