Chapter 1 – Introduction
1.1 Subject
Thank you for purchasing the GROM-USB3 adapter. It has been designed to provide endless hours of listening
pleasure through most vehicle factory stereos. To ensure that your GROM-USB3 interface performs correctly in your
vehicle, we recommend that you read this entire manual before attempting to install the GROM interface.
1.2 Functionality Highlights
- Easily access your media collection in your car, including shuffling songs, skipping between tracks, and adjusting the volume—
all with only your factory car stereo head unit or multifunction steering wheel controls.
- Listen to your favorite music directly from virtually any USB mass storage device, flash stick or portable hard drive, requiring no
dedicated media player.
- Android® phone (most supported) play, charge and control through USB port via standard USB to Android cable.
- iPod®/iPhone®/iPad® play, charge and control via standard USB to iPod cable (supports both 30-pin and Lightning style
connectors).
- Bluetooth or AUX-IN integration. To get AUX-IN you will need GROM MiniDin to 3.5mm audio and 5V USB charging cable, to
get the Bluetooth hands free and wireless functionality you will need GROM-BTD Bluetooth Dongle (both sold separately).
1.3 Main Features in USB or Android mode
- Ability to listen to songs in car on USB mass storage device (such as flash drive) or Android phone (using free
AALinQ app for Android from Google® Play Store).
- Ability to control music from car stereo or steering wheel buttons.
- Folders on the USB drives are mapped to an individual “Disc” button on car stereo’s dashboard (different for SAT
emulation – please refer to your installation manual). Play lists on Android phone are mapped to Discs.
- Number of “Discs” limited to the car stereo (up to 99 on select stereos).
- Last listened song position within the Playlist is remembered and time position is restored upon ignition cycle.
- Android phone is charged while in car.
1.4 Main Features in iPod/iPhone Mode
- Ability to play, charge and control iPod/iPhone – all using your factory car stereo.
- Playlists on the iPod/iPhone are mapped to an individual “Disc” button on car stereo’s dashboard (different for SAT
emulation – please refer to your installation manual).
- Number of “discs” limited to the car stereo (up to 99 on select stereos)
- Last listened song position within the playlist is remembered (may not apply to some iPod/iPhone/iPad)
- Last listened song time position is restored upon ignition cycle (may not apply to some iPod/iPhone/iPad)
1.5 Bluetooth Hands Free and Wireless Audio, AUX-IN Features
- With hands free (HFP) you can receive the phone calls through the factory car stereo, answer or reject the phone
calls using car stereo or steering wheel controls, speak to the other person using microphone provided with GROM
Bluetooth Dongle.
- Wireless music play from your phone to the factory car stereo (A2DP), control the music or Pandora® internet radio
with the car stereo or steering wheel buttons (AVRCP).
- AUX-IN 3.5mm audio connector for any audio source, and additional 5V charging port.
1.6 Precautions
Proper mounting location securely installs the interface in a location free from heat, humidity, moving parts, or direct
sunlight. Beware of hot-air flow from your vehicle’s climate control system. The interface should be secured in a
V.1.0.0 2
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