EN-32
Ohaus Discovery
Automatic Internal Calibration
Before Automatic Internal calaibration can be used, it must be turned on first in Menu Calibrate.
With the balance on, press and hold the
Cal
button until MENU CALIBRATE is displayed, then
release the
Cal
button, CALIBRATE is (blinking).
Press the
Yes
button to enter calibration, CAL AUTO CAL is displayed.
Press the
Yes
button to select Autocal. After pressing the
Yes
button, AUTOCAL SET OFF is dis-
played.
Pressing the
No
button will change the display to AUTOCAL SET ON, then press the
Yes
button.
With Autocal set on, exit the Calibrate Menu. The balance may now be calibrated automatically
from the weighing mode.
Internal calibration can be accomplished without using an external weight. With the balance on,
press the
Cal
button, balance begins to calibrate.
Press
Exit
to abort calibration. When internal calibration is finished, the balance returns to the cur-
rently selected mode.
Automatic internal calibration is a feature included with all Discovery models. AutoCal will au-
tomatically calibrate the balance each time a change in temperature significant enough to affect
accuracy, or after every 11 hours.
Span Calibration
With the balance on, press and hold the
Cal
button, CALIBRATE (blinking) is displayed.
Press the
Yes
button to enter calibration.
Press the
No
button at AutoCal.
Press the
Yes
button to initiate span calibration.
First the zero reading is taken. Next the display shows the default span calibration weight value.
Press
No
to change to an alternate calibration weight. Press
Yes
when the desired calibration
weight is displayed.
Place the specified calibration weight on the pan. After calibration, remove the weight from the
pan.
To abort calibration at any time, press the
Exit
button.
3.7.2 Calibration
(Cont.)
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