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THE CPL PROTOCOL 6 - 33
QUERY TEXT QT
Purpose:
To query text from an oscilloscope.
If the
S
parameter is specified, setup text is returned. The text will be queried from
one of the setup registers of the oscilloscope. The parameter
n
specifies the setup
register. A text field of 22 characters is returned.
If the
S
parameter is not
specified, user text is returned. The text will be queried
from the screen of the oscilloscope. A text field of 64 characters is returned. The
parameter
n
may not
be used.
The queried text can be programmed again with the Program Text (PT) command.
Command:
"S" setup text of register n will be returned; if "S" and n are left out,
user text is returned
n one of the setup registers, ranging from 0 to 10;
n=0 selects the current setup
Response 1:
Response 2:
char a character byte; range = 15 to 127
(refer to PROGRAM TEXT character code table 6.1)
"QT" pds "S" pds n CR
CRacknowledge
char CR