Chapter 2 Front Panel Operation  RIGOL 
User’s Guide for DSA800/E Series   
Freq Count 
 
Figure 2-26 Frequency Counter Measurement 
1.  State 
Turn on or off the frequency counter. 
 
Key Points: 
  If no active marker currently exists, turning on the frequency counter will 
open a Normal marker automatically.  
  The frequency readout is more accurate when the frequency counter is 
enabled. 
  The frequency counter measures the frequency near the center 
frequency in Zero span mode. 
 
2.  Resolution 
Set the resolution of the frequency counter manually or automatically. The 
available resolutions are 1 Hz, 10 Hz, 100 Hz, 1 kHz, 10 kHz and 100 kHz. 
Table 2-59 Resolution of frequency counter 
Parameter  Explanation 
Default  1 kHz 
Range  1 Hz to 100 kHz 
Unit  GHz, MHz, kHz, Hz 
Knob Step  10 times 
Direction Key Step  10 times 
Counter Readings