Memmert PM 200/400/500 Pump Module (Generation 2003) - Manual (Page 17)

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14 Quick venting function
The quick venting function is used in unloading and loading the vacuum oven without having to alter the
selected vacuum setpoint:
1. Rotate control anticlockwise and select OPENDOOR in the menu.
2. For rapid venting of the vacuum oven, press SET key.
3. The vacuum oven is vented automatically to atmosphere so that the door can be opened.
4. To evacuate the vacuum oven to the most recently selected vacuum setpoint, press the SET key
again.
15 Status indication for the heating levels
Heating tray symbol
lights up as soon
as a heating tray is
inserted
Heating symbol
lights up as soon
as this level is
heated