1 Preparation for Use
44 Keysight 53210A User’s Guide
The minimum frequency at which auto-leveling can occur is set as shown. 
 
Slow sets the minimum frequency for auto-leveling at 50 Hz. Fast sets the 
minimum frequency for auto-leveling at 10 kHz.
Refer to "Threshold Level and Sensitivity" in Chapter 4 for additional information 
on using auto-level.
Keysight 53100 Series Counter Emulation Mode
 
The 53210A’s emulation mode enables the Keysight 53181A SCPI command set 
to be used with the counter.