— 9-27 —
9.3.2.5. Error
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Note that an error occurs in any of the following cases :
(1)
If a nonexistent command (i.e., character string) is entered (If an entered character
string cannot be decoded).
(2)
If data or subscript out of the allowable range is entered.
(3)
If a command requiring the password is entered without the password.
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In any of these cases, the entered character string with a ‘?’ mark is returned as an error message.
u
Example 1
Figure 9-27: Input error example 1
:ABCDE
ABCDE?
:_
If ABCDE is entered, an error message is returned
since this character string is not a command.
Input (To Driver Unit)
0D
H
E
D
C
B
A
Echo back (From Driver Unit)
0A
H
0D
H
(2)
(1)
(2)
:
0A
H
0D
H
E
D
C
B
A
?
E
D
C
B
A
(1)
(4)
If the input condition is not met when entering a command.
à
In this case, the entered character string with “INHIBITED” is returned.
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