Power-On and Reset State
The following tables show the factory defaults for various instrument settings. The parameters marked
with a bullet (•) are stored in non-volatile memory, and are not affected by power-on or a system reset; the
indicated value is set when the instrument is shipped from the factory or by SYSTem:SECurity:IMMediate.
Other parameters are stored in volatile memory and are reset to the indicated values at power-on or after a
*RST or SYSTem:PRESet command.
The power-on state may be different than what is shown in the tables if you have enabled the
power-on state recall mode. This mode is entered from the Utility menu. See the Keysight
53220A/230A 350MHz Universal Counter/Timer User's Guide for further information.
Measurement Configuration
Default/Factory Setting
Measurement Function Frequency
Frequency Gate Source TIME
Frequency Gate Time 0.1 sec
Frequency Gate Polarity NEGative
Frequency Mode AUTO
Burst Gate Automatic Mode ON
Burst Gate Delay 0.0
Burst Gate Time 0.1 sec
Burst Narrow Pulse Mode OFF
Time Interval Gate Source IMMediate
Time Interval Gate Polarity NEGative
Totalize Gate Source TIME
Totalize Gate Time 0.1 sec
Totalize Gate Polarity NEGative
Gate Start Source EXTernal
Gate Start Slope NEGative
Gate Start Delay Source TIME
Gate Start Delay Time 0.0
Gate Start Delay Events 1
Gate Stop Source EXTernal
Gate Stop Slope POSitive
Gate Stop Holdoff Source TIME
Gate Stop Holdoff Time 0.0
Gate Stop Holdoff Events 1
External Gate Source EXTernal
Timestamp Rate 1.0E6
Input Configuration
Default/Factory Setting
Keysight 53220A/53230A Programmer's Reference 491
Power-On and Reset State
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