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Chapter 4 Remote Interface Reference
Output Configuration Commands
4
VOLTage:UNIT {VPP|VRMS|DBM}
VOLTage:UNIT?
Select the units for output amplitude (does not affect offset voltage or
high/low levels). The default is VPP. The :UNIT? query returns “VPP”,
“VRMS”, or “DBM”.
• The function generator uses the current units selection for both front
panel and remote interface operations. For example, if you select
“VRMS” from the remote interface using the VOLT:UNIT command,
the units are displayed as “VRMS” on the front panel.
•The VOLT? query command (see page 182) returns the output
amplitude in the units set by the most recent VOLT:UNIT command.
• The output units for amplitude cannot be set to dBm if the output
termination is currently set to “high impedance”. The units are
automatically converted to Vpp. See the OUTP:LOAD command on
page 189 for more information.
• Unless you specify the units as part of the APPLy or VOLT command,
the VOLT:UNIT command takes precedence. For example, if you
select “Vrms” using the VOLT:UNIT command and do not include
units with the APPLy or VOLT command, the value specified for the
amplitude parameter in the APPLy command will be in “Vrms”.
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