Enter menu setting mode
Return measurements
Two modes switching
Enter standard solution
calibration mode
Return to
previous menu
Confirmation
options
6
Keypad descriptions
Keypad operation tips:
Short press: Short press means to release the key immediately after pressing. (Short press if
not specified below)
Long press: Press and hold for 3 seconds and then release the key.
Menu setting mode: press this key to loop
down the menu options
Calibrated: check the calibration status
Re-calibration: press “ENT” again
Menu setting mode:
press this key to
rotate menu options
Press the key in
measurement mode to
display the trend chart