OHAUS Guardian 3000 Hotplate-Stirrer Manuel D'instructions page 23

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TM
Guardian Hotplate-Stirrers
14. Briefly press the left knob to return to the top level of the settings menu.
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15. Rotate the left knob to scroll to ESC.
16. Briefly press the left knob to return to the main operating screen.
17. If you select RJCt in step 12, the screen will return to the calibration menu.

Rotate the left knob to ESC, and briefly press the left knob to return to the main
operating screen.
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