VWR 662-2380, Instruction Manual

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6. SWITCHING THE METER ON AND OFF
After switching the meter on with the
button, the memory test proceeds.
If the test ends successfully, the meter enters the measurement screen with
settings entered before previous switching it off. In case of detecting the
manufacturer‘s calibration data loss, the following information will appear:
Pressing the button accepts standard manufacturer‘s calibration
parameters and enters the measurement screen. Such situation will be
repeating each time the meter is switched on and requires sending the meter
to the manufacturer for servicing.
In case of the user‘s data loss (i.e. the pH electrode characteristic), the
following information will appear:
Pressing the button accepts and records in the memory standard pH
electrode characteristic and enters the measurement screen. In such case,
calibration of the pH electrode is necessary. Repeating of the situation after
switching the meter on again informs about the EEPROM memory
malfunction and requires sending the meter to the manufacturer for servicing.
Switch the meter off by pressing the
button. During the process of
collecting series it is impossible to turn the meter off.