Chapter 1 Quick Start  RIGOL 
User’s Guide for DSA800/E Series   
To Use the Numeric Keyboard 
DSA800/E provides a numeric keyboard at the front panel (as shown in the figure 
below). The numeric keyboard which supports the Chinese characters, English 
uppercase/lowercase characters, numbers and common symbols (including 
decimal point, #, space and +/-) are mainly used to edit file or folder name (refer 
to “To Input Filename”) and set parameters (refer to “Parameter Setting”).  
 
Figure 1-8 Numeric Keyboard 
 
The numeric keyboard consists of the following parts:  
1. 
 
  The input mode is fixed at number input during parameter setting. During 
parameter setting, press this key to input the symbol (“+” or “-”) of the 
figure. When the key is pressed for the first time, the parameter symbol 
is “-” and “+” when the key is pressed again. 
  Press 
 to switch among Chinese, English and number input during 
file or folder name editing. 
 
2.  Number/Letter 
  Multiplexing keys for numbers and letters. They are used to directly input 
the desired number or letter.  
 
: press this key to input 1 in number input and switch between 
uppercase and lowercase letter in English input. This key is invalid in 
Chinese input.