17-42 SCPI Command Reference Models 2500 and 2502 User’s Manual
Read display
DATA?
:DISPlay[:WINDow[1]]:DATA? Read top display
:DISPlay:WINDow2:DATA? Read bottom display
Description These query commands are used to read what is currently being dis-
played on the top and bottom displays. After sending one of these com-
mands and addressing the Model 2500 to talk, the displayed data
(message or reading) will be sent to the computer.
Define :TEXT messages
:DISPlay[:WINDow[1]]:TEXT
:DA
T
A
<a>
Define message; top display
:DISPlay:WINDow2:TEXT
:DA
T
A
<a>
Define message; bottom display
Parameters <a> = ASCII characters for message
Types: String ‘aa...a’ or “aa...a”
Indefinite Block #0aa...a
Definite Block #XYaa...a
where Y = number of characters in message:
Up to 20 for top display
Up to 32 for bottom display
X = number of digits that make up Y (1 or 2)
Query :DATA? Query the defined text message
Description These commands define text messages for the display. A message can be
as long as 20 characters for the top display, and up to 32 characters for
the bottom display. A space is counted as a character. Excess message
characters result in an error.
An indefinite block message must be the only command in the program
message or the last command in the program message. If you include a
command after an indefinite block message (on the same line), it will be
treated as part of the message and is displayed instead of executed.
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