Docu-pH
+
Meter
Model: Calibration with Cal Reminder
Intended Use
In the Setup Menu, a calibration reminder can be programmed as a reminder of when 
electrode calibration should be repeated.
Step Press key Display
1. Activate menu m
2. Confirm calibration  Press 
q softkey 
functions and then pH If necessary, press
O softkey repeatedly 
3. Select “Cal reminder”
q softkey,
and confirm
O softkey 
4. Set Cal reminder
q, O softkeys 
5. Confirm Cal reminder
OK softkey 
6. Exit the menu
o, oo softkeys 
> Docu-pH
+
automatically displays
“Calibration” after the Cal 
reminder has been overwritten.
> When a calibration interval has 
expired, the following values will 
appearwith an exclamation mark:
– Current measurements
– Measurements in data memory
– Measurements on the printout 
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