Agilent Technologies E5071C Manual page 1085

E5071C
The command set you can use differs depending on whether you use the
macro function to control the E5071C or a peripheral.
Controlling the E5071C
When you want to control the E5071C itself, you can create a program
using COM objects within the E5071C VBA environment. COM objects that
come with the E5071C include seven objects specific to the COM interface
and COM objects that correspond to SCPI commands.
Controlling a Peripheral
When you want to control a peripheral, you can create a program using
VISA library functions within the E5071C VBA environment.
For information on using the VISA library, see Controlling Peripherals. For a
complete description of VISA functions, refer to the VISA library's online
help.
For information on the GPIB commands available with a particular
peripheral, refer to the documentation that comes with the peripheral.
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