Self-Diagnosis; Optional Battery Operation - Mettler Toledo SevenEasy S20 Bedienungsanleitung

7.

Self-Diagnosis

Press and hold and
The meter displays the full screen first, then each icon blinks one after the other. The final step is to check
that the keys function. This requires the user's cooperation.
When the icon blinks, depending on the flashing content, press the corresponding key within
5 seconds.
a. When
b. When flashes, press the
c. When flashes, press the pH/mV key;
d. When
e. When
When self-diagnosis is completed, a tick
Messages" in these operating instructions for the proper action(s).
8.

Optional battery operation

The SevenEasy pH meter offers optional battery operation. Install 4 AA batteries in the rear of the meter.
If the power adapter is disconnected, the meter is operated by battery and the
When the batteries lose power, the meter displays
During battery operation, the meter has an auto-off function - if no key is pressed during the next 10
minutes, the meter will automatically switch off to save battery power. To override the auto-off function,
press and hold key for 2 seconds until
METTLER TOLEDO SevenEasy
simultaneously until the meter self-diagnosis icon
flashes, press the
key;
flashes, press the
flashes, press the key.
icon appears. If the self-diagnosis fails, turn to "9. Error
appears.
Self-Diagnosis/Battery operation
key;
key;
.
appears.
icon appears.
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