Am[1]|2:Type; Am:wideband:state - Keysight N5171B EXG Manual

Analog Modulation Commands
Amplitude Modulation Subsystem–Option UNT ([:SOURce])

:AM[1]|2:TYPE

[:SOURce]:AM[1]|2:TYPE LINear|EXPonential
[:SOURce]:AM[1]|2:TYPE?
This command sets the AM type to linear or exponential AM.
Example
:AM2:TYPE EXP
The preceding example selects exponential type depth values for AM path 2.

:AM:WIDeband:STATe

[:SOURce]:AM:WIDeband:STATe ON|OFF|1|0
[:SOURce]:AM:WIDeband:STATe?
This command toggles the state of wideband AM, which provides bandwidth
beyond that of standard AM by utilizing an external modulating signal
connected to the I Input.
Key Entry
260
Whenever amplitude modulation is enabled, the AM
annunciator is turned on in the display.
Supported All models with Option UNT
LINear This choice selects linear AM type with depth values in
units of percent/volt.
EXPonential This choice selects exponential AM type with depth
values in units of dB/volt.
*RST LIN
Key Entry AM Type LIN EXP
Supported All Models with Option UNT
*RST 0
AM Path 1 2 WB
Remarks Instruments that have 9kHz as their lowest frequency
cannot have wideband AM at frequencies from 9kHz up
to 5MHz.
Keysight EXG and MXG X-Series Signal Generators SCPI Command Reference
AM Off On