horiba LAQUAact-PD110, Instruction Manual, Page: 77 / 117

Measurement setting
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4. Select "YES" to delete the calibration data, or select "NO" to cancel deleting it.
And then press the key to confirm selection.
When "YES" is selected and the key is pressed, "END" appears after deletion is
complete.
To return to the measurement mode, press the key.
Tip
When the key is pressed for more than three seconds in the measurement mode,
"CAL CLR" screen appears, and the calibration data can be deleted.
Select "YES"
and press the
key
key