1->6 Quick access keys

[Chris]

Do you know the case codes for the 1-to-6 quick access codes?
Also
If case 0x30 is Key command from Head Unit na d case 0x50 is Head Unit Ask for CD Text what is case 0x40?

i.e

case 0x??:
   UART_SendByte ('1');   // Quick key 1
   break;

Cheers
   Chris

[brokly]

0x40 and 0x70 - POWER STATUS. 0x40 It is necessary for processing, 0х70 facultatively. 0x30 key command include master code (position 7) and unessential slave code (position 8 ).