Chapter 2 Front Panel Operation  RIGOL 
User’s Guide for DSA800/E Series   
2.  System Message 
View the system messages recently displayed (up to 71 items). For more 
information about system messages, refer to “Messages”.  
 
Self-Test 
 
1.  Screen Test 
Test whether the screen has a dot defect using five colors: White, Red, Green, 
Blue and Black. Press any key to switch the screen color and exit the test. 
 
2.  Key Test 
Enter the keyboard test interface. Press the function keys at the front panel 
one by one and observe whether the corresponding key lights. If not, an error 
may have occurred in that key. To exit the test, press Esc three times. 
 
Note: If the keys at the front panel are transparent, the corresponding 
backlight will go on when testing it. 
 
 
Time/Date 
 
The system time is displayed in “hh:mm:ss YYYY-MM-DD” format in the DSA800/E 
user interface. The output file can include the time information when printing or 
storing interface image according to your setting. 
 
1.  Time/Date 
Enable or disable the Time/Date display. 
 
2.  Set Time 
Set the display time of the analyzer. The time format should be hhmmss, for 
example, 231211 (denotes 23:12:11). 
 
3.  Set Date 
Set the display date of the analyzer. The date format should be YYYYMMDD, 
for example, 20140124 (denotes January 24th, 2014).