Self-Test Information; Screen Saver; Error Information - Rigol DS4024E User Manual

RIGOL
Chapter 13 System Function Setting

Self-test Information

Press Utility  System  SelfTestInfo to enter the self-test information interface.
You can view the result of the last self-test of the oscilloscope. The self-test
information contains the system voltage and outlet temperature.

Screen Saver

When the oscilloscope enters the idle state and holds for a certain period of time, the
screen saver program will be enabled.
Press Utility  System  Screen to open the screen saver setting menu. In this
menu,
Screensaver is "Default"; namely the icon RIGOL is used as the screen saver icon.
Press Time and turn the multi-function knob
to select the desired screen saver
time (the default is "OFF"). You can also press Time continuously to switch the
current screen saver time. The screen saver time can be set to 1 min, 2 min, 5 min,
15 min, 30 min, 45 min, 60 min, 2 hour or 5 hour. When "OFF" is selected, the screen
saver program is disabled.

Error Information

The failure that might occur includes the temperature of the mainboard is too high,
the fan stops rotating, etc. If failure occurs, users need to return the instruments
back to our factory for repair. At most 16 error messages lately appeared can be
viewed. The error information is stored in the volatile memory and will be cleared
automatically after power-off.
If there are error messages in the oscilloscope currently, an exclamation mark is
displayed in the status bar at the lower-right corner of the screen; at this point, you
can press Utility  System  ErrorInfo to view the error messages. If the
oscilloscope works normally, ErrorInfo is grayed out and disabled.
13-10 DS4000E User's Guide