PROFESSIONAL AUDIO MIXER
16
MX-1646D
4. How to Use USB Memory and SD Card
① You can use your USB memory or SD card to play / record.
② In case both USB memory and SD card are mounted, press the SD/USB selection switch to select which
one you want to use for playing / recording.
③ Carefully check the direction when inserting the USB memory or SD card.
④ When inserting the SD card, push it in until it clicks.
⑤ For more detailed information about supported USB/SD memory specifications, refer to the following
[Table 3: USB/SD Memory Support Specifications].
⑥ When you insert a USB memory or SD card, files and folders are automatically sorted. Files and folders
are sorted in the following method. For detailed information, refer to the following
[Image 1: File / Folder Sorting Method].
⑦ When the memory is connected normally and the sorting sequence is completed, the LED of the STOP
button lights up and it is in the PLAY mode.
※ Caution: If a lot of files are stored in the USB/SD memory, it may take some time until the LED of the
STOP button lights up and the PLAY mode is operated.
⑧ Folder 1 is the root folder. If you add folder(s), folders are sorted starting from 2.
⑨ If a folder does not have supported audio file, the corresponding folder is not displayed.
[Table 3: USB/SD Memory Support Specifications]
Type Specifications
USB Interface USB 1.1 supported, USB Hub not supported
SD Card Interface SD, SDHC supported
Memory Format FAT16, FAT32
Maximum Memory Capacity 32GB (FAT), multi-partition not supported
Maximum Sound Source File Size 2 GB
Maximum File / Folder Name 128 bytes
Folder Structure (Tree Structure)
Up to 16 layer (Tree Structure); up to 260 characters for path
name including file name
WAV Playback
Extension wav
Sample Rate 8k, 16k, 32k, 11.025k, 22.05k, 44.1k, 12k, 24k, 48kHz
Format 16 bit PCM
MP3 Playback
Extension mp3
Sample Rate 8k, 16k, 32k, 11.025k, 22.05k, 44.1k, 12k, 24k, 48kHz
Bit Rate 8 ~ 320kbps
WAV Recording
Extension wav
Sample Rate 44.1kHz
Format 16 bit PCM
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