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Chapter 3 Features and Functions
Output Configuration
3
Voltage Autoranging
Autoranging is
enabled by default and the function generator
automatically selects the optimal settings for the output amplifier and
attenuators. With autoranging disabled, the function generator uses the
current
amplifier and attenuator settings.
• You can disable autoranging to eliminate momentary disruptions
caused by switching of the attenuators while changing amplitude.
However, turning autoranging off has side effects:
• The amplitude and offset accuracy and resolution (as well as
waveform fidelity) may be adversely affected when reducing the
amplitude below a range change that would occur with
autoranging on.
• You may not be able to achieve the minimum amplitude that is
available with autoranging on.
• Front-Panel Operation: Press and select the Output Setup
softkey. Then press the Range softkey again to toggle between the
“Auto” and “Hold” selections.
• Remote Interface Operation:
VOLTage:RANGe:AUTO {OFF|ON|ONCE}
The APPLy command
overrides the voltage autorange setting
and
automatically enables autoranging.
Output Control
You can disable or enable the front-panel Output connector. By default,
the output is disabled at power on to protect other equipment. When
enabled, the key is illuminated.
• If an excessive external voltage is applied to the front-panel Output
connector, an error message will be displayed and the output will
be disabled.
To re-enable the output, remove the overload from the
Output
connector
and press to enable the output.
• Front-Panel Operation: Press to enable or disable the output.
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