3.2.2 Android Operation Troubleshooting
Symptom Cause Remedy
No music is coming from the
car speakers or sound is
distorted
GROM-USB3 is in the wrong
mode
Make sure that you are in the USB playback mode
You can’t hear the music in
AALinQ
An empty album or playlist is
selected on the AALinQ
Make sure that you select a playlist that has songs and it
is not empty.
Music is not playing You do not have USB Debugging
enabled
To enable USB Debugging, on Android device go to
Settings Applications Development
3.3 Operation in USB MODE
3.3.1 Supported USB Storage Devices
All FAT16/32 formatted storage:
- USB sticks/hard drives
- Android phone with AALinQ app (most supported)
The GROM USB supports only FAT16/32 formatted storage. NTFS is NOT supported!
3.3.2 Supported formats
The GROM-USB supports the following formats:
- MP3 with bitrates up to 320Kbps
- FLAC Lossless up to 24 bits, 48 khz
- WMA with bitrates up to 389Kbps
- AAC / iTunes with bitrates up to 389Kbps
- OGG/Vorbis with bitrates up to 389Kbps
- VBR/CBR
Note 1: No digital rights management (DRM)-protected content purchased through major online stores will play
directly through the USB-MP3 adapter as such content is encrypted and signed by the media publisher. This includes
but is not limited to iTunes, Rhapsody, Zune Marketplace, and MSN. You need to burn such files to a CD and then
rip them back with any capable software.
The music purchased from Amazon and iTunes+ is compatible with GROM-USB2 without any modifications.
Note 2: AAC files stored on USB Flash Drives may have a delay of 5-10 seconds before the music starts playing.
3.3.3 Directories Setup
V.1.0.0 10
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