2. The File Allocation Table (FAT) of the connected device must be FAT16 (＜ 2 GB) or FAT32 (＞ 2 GB). The maximum number of primary partitions should be no more than 4.
3. When playing a recording from a very large external storage device, a delay may occur due to reading the file structure.
4. When playing a recording from a very branched directory tree, a delay may occur due to reading the file structure.
5. It is desirable that the directory tree of the connected device has no more than eight levels. There should be no more than 1000 files in one directory.
6. The radio receiver works with external media of the following formats:
- SDHC up to 32 GB;
- SD up to 32 GB;
- USB 2.0 up to 64 GB;
- USB 3.0 up to 64 GB.
SD memory card slot: supports SD, SDHC cards with dimensions of 32 x 24 x 2.1 mm.
Note: The more files/folders on the storage device, the longer it will take to load the files. It is recommended to use a storage medium that contains only audio files.
7. For the highest possible file access speed, it is recommended to use SD memory cards of power class 4 and higher.
Attention! It is prohibited to use USB extension cables and USB hubs to connect the device.
8. The radio receiver supports playback of the following audio files:
- *. MP3. With constant or variable bit rate, transfer rate of 32-320 kbps and sampling frequency of 44.1/48 kHz;
- *. WMA. (without DRM protection). With constant bit rate and transmission speed of 10-320 kbps, with variable bit rate and transmission speed of 32-192 kbps.