Retsch GM 300, Manual

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Operating the machine
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Fig. 14: Maximum speed for runny liquid samples
5.15 Setting the Direction of Rotation
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Turn the rotary knob to reach the direction of rotation menu item.
The selected menu item is highlighted by the dark selection bar.
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1. Press the rotary knob to set the direction of rotation.
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Turn the rotary knob until you reach the desired direction of rotation.
Direction of rotation (knife beating))
Direction of rotation (knife cutting)
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2. Press the rotary knob to return to the main menu.
5.16 Setting the interval
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Turn the rotary knob to reach the interval menu item.
The selected menu item is marked by the dark selection bar.
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1. Press the rotary knob to set the interval time in minutes.
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Turn the rotary knob to reach the desired interval time in minutes.
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2. Press the rotary knob to set the seconds.
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Turn the rotary knob to reach the desired interval time in seconds.
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3. Press the rotary knob to set the reversal of the direction of rotation.
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Turn the rotary knob to turn the reversal of direction of rotation ON or OFF.
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4./5. Press the rotary knob twice to set the interval pause - minute.
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Turn the rotary knob to reach the desired minutes.
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6. Press the rotary knob to set the interval pause in seconds.
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Turn the rotary knob to reach the desired seconds.
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3. Press the rotary knob to return to the main menu.
5.17 Emergency unlocking