Functions and Features 3
Keysight U1251B and U1252B User’s and Service Guide 81
Refresh Hold
The Refresh Hold function allows you to hold the displayed value. The bar-graph
is not held and will continue to reflect the instantaneous measured value. You can
use the Setup mode to enable Refresh Hold mode when you are working with
fluctuating values. This function will auto trigger or update the held value with a
new measured value and emit a tone as a reminder.
1 Press to enter Refresh Hold mode. The present value will be held and
the symbol will appear.
2 It will be ready to hold a new measured value once the variation of measured
values exceeds the variation count setting. While the multimeter is waiting for
a new stable value, the symbol will flash.
3 The symbol will stop flashing once the new measured value is stable
and the new value will be updated to the display. The symbol will remain on
and the multimeter will emit a tone to remind you of this.
4 Press again to quit the Refresh Hold function.
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