Hayward E-Z-PH Manual De Instrucciones página 6

Keep probe into Buffer solution
7pH_Quality_100%
Quality Probe
4pH___Press_CAL
Calibration During 1 minutes
Wait________60s
Note:
If you have setting Calibrabration = 7 pH the function has 1 point calibrate only 7 pH buffer solution.
Code 0000137728
pH Probe Calibration
Calibration
Press Cal Key 3 Seconds
Wash
4pH_Quality_100%
Quality Probe
Press Enter Key to save and exit
rev. 1.0
Wash
7pH___Press_CAL
Calibration During 1 minutes
Wait________60s
Keep probe into Buffer solution
Wash
Normal Status
4