Preparation for Use 1
Keysight 53220A/53230A User’s Guide 37
Digit group separator A digit group separator between every three digits on
either side of the decimal separator (radix) allows easier viewing of the displayed
reading. The separator can be one of the following:
None - there is no space between digits (e.g. 10.967342515 MHz)
Space - a space is inserted between every three digits
(e.g. 10.967 342 515 MHz)
On - a comma (,) or decimal point (.) is inserted between every three digits
depending on the decimal separator (radix) selected:
decimal point radix: 10.967,342,515 MHz
comma radix: 10,967.342.515 MHz
Screen control
Screen control is available through the keys shown below.
The display screen can be turned off to increase reading throughput and its screen
saver mode can be used to conserve power. Screen brightness can be adjusted
for optimal viewing in different environments.
Note that pressing any key with the display turned off, turns the display back on.