Step 4. Self-tuning setting
(Only need to do before the first time using, do not set it again in next
times use)
a. Power on the control box (power button is on back of
the of the box).
b. Long pressing to start.
c. Press botton unitl 'PV' screen show 800.
d. Short press , till 'SV' screen show 'AT OFF'.
e. Press till 'SV' screen turn to
'ON', it will flash for seconds then stable.
f. Press to exit. The 'SV' will
show 37
℃
，
meas self-tunning setting
finished.
