Display Control
To speed up your measurement rate, or for security reasons, you may
want to turn off the front-panel display. From the remote interface, you
can also display a 11-character message on the front panel. See page 43
for information about the number of digits displayed.
• When the display is turned off, readings are not sent to the display
and all display annunciators except ‘ERROR’ and ‘Shift’ are disabled.
Front-panel operation is otherwise unaffected by turning off the
display.
• The display state is stored in volatile memory; the display is enabled
when power has been off or after a remote interface reset.
• You can display a message on the front panel by sending a command
from the remote interface. The meter can display up to 11 characters
of the message on the front panel; any additional characters are
truncated. Commas, periods, and semicolons share a display space
with the preceding character, and are not considered individual
characters. When a message is displayed, readings are not sent to the
display.
• Sending a message to the display from the remote interface overrides
the display state; this means that you can display a message even if
the display is turned off.
• Front-panel operation: set the display state under the 5: DISPLAY
command in the SYStem menu.
The display always turns on for menu operation; this means that even
when the display is turned off, you can still operate the menu.
• Remote operation: use the following commands to control the
display:
DISPlay {OFF|ON}
DISPlay:TEXT <
quoted string
>
DISPlay:TEXT:CLEar
disable/enable the display
display the string
enclosed in quotes
clear the message in the
display
The following statement shows how to display a message on the front
panel from a Hewlett-Packard controller.
OUTPUT 722; "DISP:TEXT ’HELLO’"
Chapter 3 Features and Functions
System-Related Operations
94
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