Lock the current reading, press for 3 sec. to
MAX/MIN mode. In this mode, press
to browse MAX and MIN reading.
Store the current reading. Press
In Recall mode, browse records. Press both
together 3 sec. to enter advanced
Choose different function mode. Press 3 sec. to
switch ℃/℉, or switch pH-mV or ORP-
ORP mode), or switch mg/L
Turn on or off power. Press 3 sec. to enter
calibration mode
Increase stirrer speed
Decrease stirrer speed
Press to turn on the stirrer or set
stir mode (30, 60, 120 minutes or
continuously)
Press 3 sec. to turn off the stirrer
Stir mode LED indicator:
30, 60, 120 minutes or stir continuously.