Oakton PH550 - Keypad

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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