Value Parameter Description 0x00 A2DP stop 0x01 A2DP start Others Reserved 1 Value Parameter Description 0x00 Volume Up 0x01 Volume Down Others Reserved 1 Value Parameter Description 0x0X Fist 4 bits indicate A2DP gain level 0xX0 Last 4 bits indicate Line In gain level 1 Value Parameter Description 0xXX A2DP Absolute Volume 1 Value Parameter Description 0x00 No Mix channel 0x01 L+L channel 0x02 R+R channel 0x03 (L+R) / 2 -> L, (L+R) / 2 -> R channel 1 Value Parameter Description 0x00 Battery with Low battery 0x01 Adaptor power with Low battery 0x02 Battery power 0x03 Adaptor power 1 Value Parameter Description 0xXX Audio effect type 1 Parameter Description 0xXX Reserved 1
Value Parameter Description 0x00 A2DP stop 0x01 A2DP start Others Reserved 1 Value Parameter Description 0x00 Volume Up 0x01 Volume Down Others Reserved 1 Value Parameter Description 0x0X Fist 4 bits indicate A2DP gain level 0xX0 Last 4 bits indicate Line In gain level 1 Value Parameter Description 0xXX A2DP Absolute Volume 1 Value Parameter Description 0x00 No Mix channel 0x01 L+L channel 0x02 R+R channel 0x03 (L+R) / 2 -> L, (L+R) / 2 -> R channel 1 Value Parameter Description 0x00 Battery with Low battery 0x01 Adaptor power with Low battery 0x02 Battery power 0x03 Adaptor power 1 Value Parameter Description 0xXX Audio effect type 1 Parameter Description 0xXX Reserved 1