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20901134_EN_DVR 3pro_V1.4_060420
4. Press key ON/OFF
ON/OFF
5 Switch to pressure reading.
5 Display of current pressure.
5 Sensor adjusted to reference pressure.
The adjustment to a reference pressure is an alternative
method, if present vacuum pumps are not capable of
providing an adequate vacuum (<1 mbar).
to confirm the value.
Operation
35
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