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If filenames begin with letters, they are played in ascending order of the file creation date/time. 

If playlist starts with a number, the playlist will be assigned to a respective virtual disc.

  Android USB Direct Streaming:

If you wish to play other Android apps through the USB cable, you will need to load a config file and DISABLE 

the Grom AALinQ feature. Other Android apps will NOT have controls. You will only have sound.

USB Audio Streaming 

is available for most Android devices with Jelly Bean Android software. In the case of USB Audio 

Streaming you will not need AALinQ media player, you will be able to use the media player of your choice, or stream the 

music through any Android music apps, such as Pandora, TuneIn, Spotify and so on.

To enable USB direct streaming please go here for instructions: 

http://www.indashpc.org/vbullettin/viewtopic.php?p=5929

  3.2.2 Android Operation Troubleshooting

Symptom

Cause 

Remedy

No music is coming from 
the car speakers or sound 
is distorted

The USB is loose or extension 
cable is bad.

See if music plays directly from USB port (with 
USB stick) connected to the box with no 
extensions.

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.

The music is distorted

You have more than one 
device (USB or AUX) 
connected at the same time

Please make sure that you connected only one 
device to GROM interface. Disconnect all other 
devices if present.

Music is not playing

Change USB debugging 
setting

To enable/disable USB Debugging, on Android 
device go to Settings 

 Applications 

 

Development

AALinQ is “acting up”

The Micro USB cable is loose, 
or the USB extension is bad

Try different MicroUSB cable, try to wiggle 
MicroUSB cable, or hold it tightly connected to the 
phone and GROM box

AALinQ will not play 
through GROM

USB computer connection 
MTP settings is not set ON

To check on Android Settings -> Storage -> USB 
Computer Connection -> MTP (Media Device)

3.3 USB MODE – USB stick operation 

  

3.3.1 Supported USB Storage Devices

All FAT16/32 formatted storages:

-

USB sticks/hard drives

-

Android phone with AALinQ app (most supported)

The GROM AND2 supports only FAT16/32 formatted storages. NTFS is not supported!

  

   3.3.2 Supported formats

The GROM-AND2 supports the following formats:

-

MP3 with bitrates up to 320Kbps

-

WMA with bitrates up to 389Kbps

Rev. 1.2

9

Summary of Contents for GROM-AND2

Page 1: ...G www gromaudio com http gromaudio com support html ...

Page 2: ...llation troubleshooting p 6 Chapter 3 Usage manual 3 1 Different MODES of GROM AND2 p 7 3 2 USB MODE Android Operation p 7 3 2 1 Android setup and operation p 7 3 2 2 Android operation troubleshooting p 9 3 3 USB MODE USB stick operation p 9 3 3 1 Supported USB Storage Devices p 9 3 3 2 Supported formats p 9 3 3 3 Operating with more than one musical device connected p 10 3 3 4 Directories Setup p...

Page 3: ...ard different for SAT emulation please refer to your installation manual Playlists on Android are mapped to disc Number of discs limited to the car stereo up to 99 on select stereos Last listened song position within the playlist or folder is remembered on most stereos Last listened song time position is restored upon ignition cycle for most stereos Ability to control the songs using car stereo or...

Page 4: ...se of the stereo For further disclaimer please see the last page of this manual 1 7 Completeness and connection of set a The GROM audio for Android adapter set consists of the GROM AND2 main interface appearance may vary one USB to Micro USB cable one vehicle harness specific for your car and one 3 5mm audio cable Figure1 One GROM AND2 module with one USB to Micro USB cable Figure2 One vehicle spe...

Page 5: ...T emulation Honda Acura 03 and up with SAT emulation Ford Lincoln Mercury Mazda 3 5 08 09 and Subaru 07 09 For a full version of the GROM compatibility guide please visit http gromaudio com grom_application_guide pdf or contact GROM Audio at http gromaudio com support html Chapter 2 General Installation 2 1 Installation location Most installations will require removing the factory stereo in order ...

Page 6: ...r the bolt 3 if it is present b Make sure that solid contact is made between the stripped black wire and the metal part of the car stereo body Note Failure to attach the black cable to the chassis of the stereo or ground will result in the GROM adapter not working All of the specified vehicles require this black ground cable to be attached 5 For Audi vehicles only Some Audi head units require an a...

Page 7: ...allation If you have trouble with the installation please see our troubleshooting section 14 Find a place for the GROM AND2 adapter In many cars the dash offers sufficient room for installation Note Make sure you mount the GROM AND2 adapter in a place with sufficient room so that when you remount the car stereo you do not break the adapter We strongly recommend you mount unit in easy access locati...

Page 8: ... sound connector on the vehicle cable is correctly aligned Chapter 3 Usage manual 3 1 Different MODES of GROM AND2 for CD changer emulation only GROM AND2 can work in two modes USB or AUX USB mode Go to CD changer mode on the stereo Connect USB stick to the USB port of the AND2 module Music will play automatically AUX mode To listen to music on aux cable remove USB stick When USB stick is removed ...

Page 9: ...able USB Debugging on Android device go to Settings Applications Development Once you connect your Android device to GROM AND2 and the Grom unit is in USB playback mode AALinQ should automatically start playing a song from your Android device Android and USB stick functionality is essentially identical Playlists on AALinQ will be mapped to discs on the stereo Skip tracks change disc fast forward r...

Page 10: ...ected to the box with no extensions 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 The music is distorted You have more than one device USB or AUX connected at the same time Please make sure that you connected only one device to GROM interface Disconnect all other devices if present Mus...

Page 11: ...of your music into these directories As soon as you connect the GROM AND2 adapter to a USB portable data medium the GROM will translate root directories into virtual discs Their number depends on the number of discs supported by the specific car stereo We recommend that you have as many directories as possible on a root level as the car stereo will not recognize subdirectories The GROM itself will...

Page 12: ...d DISC DOWN buttons Note that not all stereos will have this feature The following operations are supported by the GROM AND2 o Change virtual disc playlist o Change tracks forward and backward o Change 10 tracks in SCAN mode o Display track and track title where available o Display current track playing time o Random and Repeat functionalities o Restore last positions for up to 4 USB sticks o Rest...

Page 13: ...f the playback will continue to the next playlist once the current one has played the last song Text on some stereos this button will switch over to show the disc or artist of the current track playing 3 3 7 USB Operation Troubleshooting Symptom Cause Remedy You can t hear the music from USB An empty folder is selected on the USB Make sure that you select a folder with songs The music is distorted...

Page 14: ...ions above Grom Audio will repair or replace the product at their discretion if it is defective in the material or workmanship All customers should contact GROM Audio support team at http gromaudio com support html and obtain an RMA number All defective adapters returned to Grom Audio within warranty period must be accompanied by the original invoice or copy All shipping and handling charges are n...

Page 15: ...PRODUCTS ACKNOWLEDGES THAT THE PRODUCTS ARE REMOTELY RELATED TO SAID MOTOR VEHICLE OPERATION AND THUS ANY DAMAGES CAUSED TO THE DRIVER OF THE VEHICLE THE VEHICLE ITSELF OR ANY THIRD PARTY AND ITS PROPERTY IS NOT THE RESPONSIBILITY OF GROM ITS AGENTS OR ITS PRINCIPALS AND IS THE SOLE RESPONSIBILITY OF THE DRIVER OF SAID VEHICLE YOU THE END USER OR ANY OTHER DRIVER OF THE VEHICLE IS SOLELY RESPONSIB...

Page 16: ...mpatible with your application Due to the wide range of electronics anomalies found in car stereos compatibility and or controls may vary Should you experience incompatibility issues you may contact us via our support page Grom Audio also carries a standard 30 day return policy 5 7 Engine System Noise Disclaimer Engine system noise may occur in some installations and is not easily predictable Shou...

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