Saswell SAS908XWHB-7 - Advanced Thermostat Settings; Settings Explanation

Advanced thermostat settings
To access advanced thermostat settings, turn off the device by briefly pressing the key. The device must be off or in
standby. Then long press the P button (3 seconds) and enter the advanced setting. You can change the values using 
or  keys. Press the P button to move through the menu and save the settings with the R key (exit the settings).
Settings explanation:
Step
Setting
name
(default
value)
Change
option
Description
1
CL (0)
-4 do +4
Temperature display correction
2
AH (350)
20 – 35 (v
°C)
68 – 95 (v
°F)
Maximum output, operating temperature
3
AL (50)
5 – 20 (v
°C)
41 – 68 (v
°F)
Lowest output, operating temperature
4
FC (C)
C / F
Temperature display in Celsius or Fahrenheit
5
bL (05)
00 / 05 / 15
Backlight duration in seconds