Haier HRF580YPS User Manual page 17

Adjust Switch Zone temperature
Unlock the settings by long pressing key "Q" for 3 seconds.
Under unlock state, press key "L" (Temperature zone
selector) to toggle across compartments. When indicator "B"
(SwithcZone indicator) lights up, press key "K" (Temperature
control "-") or key "M "(Temperature control "+") to adjust
SwitchZone compartment temperature. Value displayed on
indicator "D" decreases by 1 °C when key "K" is pressed each
time. The display flahes and turns solid with the set
temperature, then goes off after a few seconds. Accordingly,
value displayed on indicator "D" increases by 1 °C when key
"M" is pressed each time. The display flahes and turns solid
with the set temperature, then goes off after a few seconds.
Switch Zone compartment temperature can be adjusted
from 5 °C to -18 °C with 1 °C incremental.
Switch Zone temperature can't be adjusted under lock state.
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