Flyron FN-BC20 - Page 11

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Flyron Technology Co., Ltd. 20 Channel MP3 Sound Board
11
4.3.4 Examples of sending query commands
Command Description
Serial Commands
[with c heck sum]
Serial Commands
[without c heck sum]
Notes
Query current online storage
device
7E FF 06 3F 00 00 00 FE BC EF
7E FF 06 3F 00 00 00 EF
Query current status
7E FF 06 42 00 00 00 FE B9 EF
7E FF 06 42 00 00 00 EF
Query current volume
7E FF 06 43 00 00 00 FE B8 EF
7E FF 06 43 00 00 00 EF
Query total track numbers in USB
flash disk
7E FF 06 47 00 00 00 FE B4 EF
7E FF 06 47 00 00 00 EF
Total file numbers of
current device
Query total track numbers in SD
card
7E FF 06 48 00 00 00 FE B3 EF
7E FF 06 48 00 00 00 EF
Total file numbers of
current device
Query current track in USB flash
disk
7E FF 06 4B 00 00 00 FE B0 EF
7E FF 06 4B 00 00 00 EF
Query the track being
played
Query current track in SD card
7E FF 0 6 4C 00 00 00 FE AF EF
7E FF 06 4C 00 00 00 EF
Query the track being
played
Query total track numbers in a
folder
7E FF 06 4E 00 00 01 FE AC EF
7E FF 06 4E 00 01 00 EF
Query total folder numbers in
current storage device
7E FF 06 4F 00 00 00 FE AC EF
7E FF 06 4F 00 00 00 EF
SD card or USB flash
disk