DongFeng H30, Manual, Page: 211 / 302

Maintenance of electrical applicances
22-62
(2) Other functions
When the controller has received the back light open signal, now turn on the controller back light
signal. AS the system is at OFF position, the screen back light is off. The screen back light brightness
can not be adjusted.
The automatic air conditioning controller is adopted EEPROM mode storage memory contents, the
storage time is set as 2sec after end of pressing the key, the storage contents are as follows: the
system state, each actuator state, air compressor state and blower state.
As the vehicle ignition lock is open, the controlled starts working with electricity, all equipments return
to the electricity cut-off state of the last ignition lock, namely recover all the memory state.
If the memory contents impossible to be correctly read due to the damage of the storage area, the
system automatically set up the start initial state to:
The set temperature: 25
o
C
The system state: The system is off, in manual operated state;
The mode actuator: Manual operated and face blowing;
The cycle actuator: Manual operated and outer cycle
The temperature actuator: The automatic operation