1 Preparation for Use
36 Keysight 53220A/53230A User’s Guide
Numeric Format
The format (radix, decimal group separator) of numeric data that appears in the 
main measurement display (Figure 1-2) is set using the following keys.
The format also applies to numeric readings within trend charts, histograms, limit 
testing, etc.
Radix The decimal separator (radix point) between the integer and fractional 
parts of the reading can be a decimal point (.) or comma (,).