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Chapter 3 Features and Functions
Output Configuration
3
Voltage Autoranging
Autoranging is enabled by default and the waveform generator
automatically selects the optimal settings for the attenuators. With
autoranging disabled, the waveform generator uses the current attenuator
settings and does not switch attenuator relays.
• 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 (and 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.
• Some instrument specifications do not apply with autoranging off.
• Front-Panel Operation: Press or
or
and 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 channel output connector. By
default, the output is disabled at power on to protect other equipment.
When a channel output connector is enabled, the corresponding
or
or
key is illuminated.
• Front-Panel Operation:Press
or
or followed by
Output On/Off
to enable the output.
• If an excessive external voltage is applied to a front-panel channel
output connector by an external circuit, the instrument will generate
an error message and disable the output.
To re-enable the output,
remove the overload from the connector
and press
or
or
followed by
Output On/Off
to enable the output.
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