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API / mini Series API / 0x16/0x17 Set External Audio Vol

Line-in and MIC Audio Volume Setting

Applicable Devices : mini-pro, mini-pro V3, mini v3, mini-ISO

SymbolDefinitionRemarks
Start bit<The command uses "<" as the start bit
TransmitT
ADDR0x00
SN0x00
CMD0x81
DAT10x16-0x170x16: set; 0x17: query
DAT20x00-0x010x00: Line-in; 0x01: Mic In
DAT30x00-0FLine:00-1F(12 to -34.5db, 1.5db per step), MIC: 00-08(0-40db,5db per step)
DAT40x00Not used
CHKSUMCheck sum = ADDR + SN + CMD + DAT1 + DAT2 + DAT3 + DAT4
End bit>The command uses ">" as the end bit

Command list

Start bitInstruction TypeAddressSNCommandData 1Data 2Data 3Data 4ChecksumEnd bit
MIC input volume to 25 db<T000081160105009D>
LINE input volume to -3 db<T00008116000A00A1>