User Manual
10
4. pH and ORP/Fr Chl Keys
Maintenance of the pH/ORP Sensor, pg. 11 and Cleaning Sensors, 2.
pH/ORP, pg. 50).
a. pH Key
A press of
right.
b. ORP Key
A press of
5. CAL/MCLR Key
allows
If
SEL
CAL
key.
CAL
3 seconds allows ORP mode selection (ref. pg. 21).
CAL
Once in CAL
MCLR
to allow clearing records (ref. Clearing a Record/Memory Clear, pg.
37).
6.
or