How to use brightness control and display ON/OFF button
To change the display brightness, push the
button. Pushing the button again will change the
display to the day or the night display.
If no operation is performed within 5 seconds, the display will return to the previous display.
Push and hold the 
button for more
than two
seconds to turn the display off. Push the button
again to turn the display on.
See also:
Speaker Adaptation function
The Voice Recognition system has a function to
learn the user’s voice for better voice recognition
performance. The system can memorize the
voices of up to three persons. ...
Display screen, heater, air conditioner, audio and phone systems
● Do not disassemble or modify this system.
If you do, it may result in accidents,
fire, or electrical shock.
● In case you notice any foreign object in
the system hardware, spil ...