Trace2O AquaSafe WSL25 Plus, Instruction Manual

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Keypad:
The HL101 pocket pH/temperature tester uses a simple three-button membrane keypad, with graphical
symbols to describe the function of each key.
Map of keys and functions:
KEY FUNCTION
On/Off
Hold
•
Power the unit ON/OFF
•
Freezes the currently displayed value for recording;
press the key again to resume measuring.
•
When in calibration mode, exits calibration and
returns to measurement mode.
Cal
•
Press the key to enter the calibration mode.
•
Press and hold the key to enter the setup menu.
•
In the setup mode, press the key to select default
options.
Enter
•
Confirms the calibration or selected option.