:INPut:ATTenuation:CH1

Description

This command gets or sets the attenuation of channel 1.

Syntax	Parameter
`:INPut<ch>:ATTenuation<tr>:CH1`	<`numeric`>

Parameters	accepted format	allowed suffixes	possible Errors	description
<`ch`>	{ `1` \| `empty` }	`none`	`Invalid channel index`	Currently only one channel is supported. `Empty` means `1` is used as default.
<`tr`>	{ `1` \| `empty` }	`none`	`Invalid trace index`	Currently only one trace is supported. `Empty` means `1` is used as default.
<`numeric`>	numeric value	`none`	`none`	The attenuation in `dB`.

Syntax	Response
`:INPut<ch>:ATTenuation<tr>:CH1?`	<`numeric`>

Parameters	accepted format	description
<`ch`>	{ `1` \| `empty` }	Currently only one channel is supported. `Empty` means `1` is used as default.
<`tr`>	{ `1` \| `empty` }	Currently only one trace is supported. `Empty` means `1` is used as default.

Response value	description
<`numeric`>	the attenuation value in `dB`

Not all attenuation values are valid. For a list of possible values please refer to Measurement Modes.

For presets please refer to Measurement Modes.

Set the attenuation of channel 1 to 10dB.

var visaSession = new TcpipSocket(VISA_RESOURCENAME);
visaSession.RawIO.Write(":CALC:PAR:DEF S21\n");
visaSession.RawIO.Write(":INP:ATT:CH1 10\n");

Attenuation (SeriesThru)

Attenuation (ShuntThru)