OHAUS Guardian 3000, Instruction Manual

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Guardian
TM
Hotplate-Stirrers EN-23
4.4.3. Clear a Calibrated Temperature
1. To clear a calibrated temperature, the unit must first be in the top level of the
settings menu. Please refer to
Accessing / Exiting Section for how to enter
the top level menu. Then wait for the screen to show
CAL
.
2. Briefly press the left knob to enter the Calibration settings menu.
3. Rotate the left knob to scroll to
CLr
.
4. Briefly press the left knob to enter the menu. If there is no stored SPC point,
select
BAcK
to return to the previous screen.
5. Rotate left knob to scroll to the calibration point you want to clear. The
calibration points are stored in ascending order by temperature.
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