Front-Panel Operation 3
Keysight E3633A and E3634A User’s Guide 77
Display control
For security reasons, you may want to turn off the front-panel display. From the
remote interface, you can display a 12-character message on the front panel.
– The display can be enabled / disabled from the remote interface only.
– When the display is turned off, outputs are not sent to the display and all
annunciators are disabled except the ERROR annunciator. Front-panel
operation is otherwise unaffected by turning off the display.
– The display state is stored in volatile memory; the display is always enabled
when power has been off, after a remote interface reset, or after returning
to local from remote.
– You can display a message on the front panel by sending a command from
the remote interface. The power supply can display up to 12 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, outputs 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.
– The display state is automatically turned on when you return to the local
(front panel) operation. Press (Local) key to return to the local state
from the remote interface.
– Remote interface operation:
The following statement shows how to display a message on the front panel
from a Hewlett-Packard controller.
DISP {OFF|ON} Disable / enable the display
DISP:TEXT <quoted string> Display the strong enclosed in quotes
DISP:TEXT:CLE Clear the displayed message
“DISP:TEXT ‘HELLO’”
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