Instruction Manual
pH 500
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4.2 Keypad
The four-button keypad allows easy and quick operations of the Transmitter.
Key Function
CAL
Brings you directly into the Calibration mode.
If you were in pH Measurement mode, press CAL to enter pH Calibration
mode.
If you were in mV Measurement mode, press CAL to enter mV Calibration
mode.
▲
/
▼
To scroll through the various submenus
To increment/decrement values or toggle between options (in the
SETUP/CAL modes)
When pressed together, serves as escape function to return to MEAS mode
from any point (CAL or SETUP modes).
ENT
To confirm your calibration values in Calibration mode.
To confirm selections in SETUP mode.
While in MEAS mode, pressing ENT takes you directly to SETUP submenu