3
█ Phone button (if any)
Press this button to accept a call (the audio system will become mute if the button
is pressed) and enter the Bluetooth call interface.
When the system displays an interface not related to Bluetooth, if Bluetooth is not
connected, press this button once to make the system enter the main interface of
phone selection; if Bluetooth has been connected, press this button to make the
system enter the dial interface.
If the Bluetooth is connected, after entering a phone number in the dial interface or
select an entry in the call recents or phone directory interface, press this button
once to achieve the dial function;
When the Bluetooth is connected and no phone number is entered in the dial
interface, press this button to skip to the first entry under the call recents, and
press this button again to enable the system to automatically make a call of the
first entry on the outgoing call interface.
Only accepting a call is allowed on the safety warning interface.
In the call connection status, press this button once to enter the call interface from
the map interface.