A&D Weighing FX-300i-PT - Manual (Page 27)

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10-2 Display Lock Function
To use this function, set “Display lock function ( ploc )” to “ON ( 1 )”.
Why use this function
This function is used to compensate time-elapsed errors caused by evaporation.
Even when the evaporation trap is used, an evaporation of 0.05 mg per minute (0.05 μL per minute)
will occur. This evaporation influences the measurement, particularly when the volume of the test
liquid is small. For such a situation, the display lock function is useful.
How this function works
After the test liquid is dispensed from the pipette, measurement starts. When the mass value is
stable, data is averaged. After a certain period of time, the averaged value is locked in the display.
Averaging process Locked display
NOTE The RE-ZERO operation unlocks the display.
Processing indicator
Blinking
Processing indicator
Stabilization indicator
Illuminated