IEEE-488 Reference
3-76
3.13
:DISPlay subsystem
The display subsystem controls the display of the Model 2002 and is summarized in Table 3-5.
:TEXT commands
:DATA <a>
:DISPlay[:WINDow[1]]:TEXT:DATA <a>
Define message for top display
:DISPlay:WINDow2:TEXT:DATA <a>
Define message for bottom display
<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)
:DATA?
Query the defined text message
These commands define text messages for 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 char-
acter. Excess message characters results in an error.
An indefinite block message must be the only command in the program message or the last com-
mand 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.
PRINT #1, "output 16; :disp:text:data ' Model 2002';data?"
' Define and query
message
PRINT #1, "enter 16"
' Get response mes-
sage from 2002
:STATe <b>
:DISPlay[:WINDow[1]]:TEXT:STATe <b>
Control (on/off) message; top display
:DISPlay:WINDow2:TEXT:STATe <b>
Control (on/off) message; bottom display
<b> = 0 or OFF
Disable text message for specified display
= 1 or ON
Enable text message for specified display
:STATe?
Query state of message mode for specified display
These commands enable and disable the text message modes. When enabled, a defined message
is displayed. When disabled, the message is removed from the display.
A user defined text message remains displayed only as long as the instrument is in remote. Tak-
ing the instrument out of remote (by pressing the LOCAL key or sending LOCAL 16), cancels
the message and disables the text message mode.
Parameters
Query
Description
Program fragment
Parameters
Query
Description
Summary of Contents for 2002
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