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Features and Functions 3
Agilent U1251A/U1252A User’s and Service Guide 53
Refresh Hold
The Refresh Hold function allows you to freeze 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.