R&S ESU Remote Control – Description of Commands
INPut Subsystem
6.130 Operating Manual 1302.6163.12 - 03
INPut<1|2>:ATTenuation:PROTection:RESet
The R&S ESU is equipped with an overload protection mechanism. This mechanism becomes active
as soon as the power at the input mixer exceeds a value of 27 dBm. It ensures that the connection
between RF input and input mixer is cut off.
The command resets the attenuator into the state that it had before the overload condition was
detected. It re-connects the RF input with the input mixer.
Example: "INP:ATT:PROT:RES"
Characteristics: *RST value: --
SCPI: device-specific
Mode: R, A
This command is an event and therefore has no query and no *RST value.
INPut<1|2>:COUPling AC | DC
This command switches the input coupling of the RF input between AC and DC.
Example: "INP:COUP DC"
Characteristics: *RST value: AC
SCPI: conform
Mode: R, A
INPut<1|2>:GAIN:STATe ON | OFF
This command switches the preamplifier for the instrument on or off. The switchable gain is fixed to 20
dB.
In analyzer mode, the command is only available, if the preselector measurement has been activated.
Example: "INP:GAIN:STAT ON"
'Switches the 20 dB preamplifier on.
Characteristics: *RST value: OFF
SCPI: conform
Mode: R, A
INPut<1|2>:GAIN:AUTO ON | OFF
This command includes the preamplifier into the autoranging function of the R&S ESU.
Example: ":INP:GAIN:AUTO ON"
'Includes the preamplifier into the auto range function
Characteristics: *RST value: OFF
SCPI: conform
Mode: R
This command comes into effect only if the reason for the overload condition has
been eliminated. Otherwise the connection between RF input and input mixer is
left open.
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