Heidolph MR Hei-Tec - Manual (Page 29)

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3. When you reach the desired setting, release the Hei Guide rotary-push button.
Save settings
The last selected settings remain saved following switching off and are offered to
you first when setting again the calibrating function.
Safety Plus (MR Hei-Tec)
The Safety Plus function allows you to switch off error monitoring of the temperature sensor for errors "E21"
and "E22" and back on again if required (default setting: "SAF On").
Stirring function and heating function
The stirring function and the heating function may not be active.
1. Connect temperature sensor (see chapter "Installation" – "Accessories (optional)" - "Temperature sensor
Pt 1000").
2. Turn Safety Plus function off (a.) or on (b.).
Press and hold
Hei Guide
Press the Hei Guide
rotary-push button
and hold button
during the entire
settings process.
Press Heating
button
Now press the
Heating button as
well.