JEITA CP-3451 - 36 - 00b = No strobe return detection function   01b = reserved 10b = Strobe return light not detected. 11b = Strobe return light detected. Values for bits 3 and 4 indicating the camera's flash mode. 00b =    unknown 01b =    Compulsory flash firing 10b =    Compulsory flash suppression 11b =    Auto mode Values for bit 5 indicating the presence of a flash function. 0b =    Flash function present 1b =    No flash function   Values for bit 6 indicating the camera's red-eye mode. 0b =    No red-eye reduction mode or unknown 1b =    Red-eye reduction supported Resulting Flash tag values.   0000.H = Flash did not fire. 0001.H = Flash fired. 0005.H = Strobe return light not detected. 0007.H = Strobe return light detected. 0009.H = Flash fired, compulsory flash mode 000D.H =      Flash fired, compulsory flash mode, return light not detected 000F.H =      Flash fired, compulsory flash mode, return light detected 0010.H =      Flash did not fire, compulsory flash mode 0018.H =      Flash did not fire, auto mode 0019.H =      Flash fired, auto mode 001D.H =      Flash fired, auto mode, return light not detected 001F.H =      Flash fired, auto mode, return light detected 0020.H =      No flash function   0041.H =      Flash fired, red-eye reduction mode 0045.H =      Flash fired, red-eye reduction mode, return light not detected 0047.H =      Flash fired, red-eye reduction mode, return light detected 0049.H =      Flash fired, compulsory flash mode, red-eye reduction mode 004D.H =      Flash fired, compulsory flash mode, red-eye reduction mode, return light not detected 004F.H =      Flash fired, compulsory flash mode, red-eye reduction mode, return light detected 0059.H =      Flash fired, auto mode, red-eye reduction mode 005D.H =      Flash fired, auto mode, return light not detected, red-eye reduction mode 005F.H =      Flash fired, auto mode, return light detected, red-eye reduction mode Other = reserved