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4-4
Programming
Addressing and Initializing the Instrument
gramming control, it should be in the single measurement acquisition mode.
This is automatically accomplished when the *RST common command is used.
The *RST command initializes the instrument to a preset state:
CLEAR 720
OUTPUT 720;”*RST”
Notice in the example above, that the commands are sent to an instrument
address of 720. This indicates address 20 on an interface with select code 7.
Pressing the green
Preset
key does not change the GPIB address.
Set single acquisition mode
An advantage of using the *RST command is that it sets the Agilent 86120B
into the single measurement acquisition mode. Because the READ and MEA-
Sure data queries expect this mode, their proper operation is ensured.
Establish the wavelength range
At the start of each program, be sure to establish the input wavelength range
using the Agilent 86120B’s :CALCulate2:WLIMit command. Setting this com-
mand to off enables the full wavelength range of the instrument. If you are
measuring signals over a narrow wavelength range, use this command to
ensure that spurious second harmonic peaks are not identified. Refer to
“WLIMit[:STATe]” on page 5-36, “WLIMit:STARt[:WAVelength]” on page 5-38,
and “WLIMit:STOP[:WAVelength]” on page 5-41. Refer also to “To limit the
wavelength range” on page 2-9.