4 Remote Interface Reference
172 Keysight 34420A User’s Guide
Chart Output (Analog Out) Commands
See also “Chart Output (Analog Output)” on page 111 in Chapter 3.
OUTPut
[:STATe] {OFF | ON}
[:STATe]?
These commands enable or disable the chart output (analog output) and query 
the output state. When disabled, the output is held at 0 V.
OUTPut
:REFerence:OFFset {<number> | MIN | MAX}
:REFerence:OFFset?
:REFerence:NULL
These commands set or query the offset value. The offset can be set in the range 
of -1.0E9 to 1.0E9. MIN sets –1.0E9 V and MAX sets 1.0E9 V. The :NULL form of 
this command makes the next measurement value the null value.
OUTPut
:REFerence:SPAN [{<number> | MIN | MAX}]
:REFerence:SPAN? [{MIN | MAX}]
:REFerence:GAIN?
These commands set or query the span value. The span can be set in the range of 
5E-9 to 1.0E9. MIN sets 5E-9 and MAX sets 1.0E9. The :GAIN? query returns the 
reciprocal of the span value.
OUTPut
:REFerence:VALue {<value> | MIN | MAX}]
This command allows you to set a fixed value output. The value can be set in the 
range of ±3.00 V. MIN sets -3.00 V and MAX sets +3.00 V.