- 3 -
4.2
Keypad
3.2.1. Keypad operations
Short press ----- <1.5 seconds; Long press ----- >1.5 seconds.
3.2.2 For keypad operation, please see Table-1.
Table – 1 Keypad operations and descriptions
Keypad
Operation
Functions
Short Press
•
Power on/off
Short Press
•
Select measuring mode: pH→mV.
Long Press
•
Enter parameter setting
：
P1→P2→…P4.
Short Press
•
Enter Calibration mode
•
Cancel any operation and go back to measurement mode
Short Press
•
In calibration mode, press to conduct calibration
•
In parameter setting, press to confirm selection
Short Press
•
Store measuring data
Long Press
•
Recall stored measuring data
Short Press
or
Long Press
•
In manual temperature compensation mode, short press to change
temperature, long press to change quickly
•
In parameter setting mode, short press to change parameter and settings.
•
In recall mode, short press to change numberings, long press to change
quickly.
Short Press
•
Buttons for max/min values (refere to section 3.6)
Figure-2
