AURA STORM-535BT Bluetooth/USB/FM Receiver

Important Information

Copyright Notice: "A" and "AURA" are registered trademarks. All rights reserved. Reproduction or copying of this document, in whole or in part, is prohibited without the prior written permission of the manufacturer. Trademarks, logos, and product names used herein are the property of their respective companies and are used for editorial purposes only.

Disposal Instructions: In accordance with Directive WEEE 2012/19/EU on waste electrical and electronic equipment, do not dispose of this equipment with household waste. Please return it for recycling. Contact your local authorities for information.

Note: All illustrations in this manual are schematic and may differ slightly from the actual product. Specifications and appearance are subject to change without notice due to continuous product development.

Service Life: The service life of this device is legally set at 3 years from the date of purchase. This does not limit the actual operational life, which may significantly exceed the official service life if the product is used in accordance with the manufacturer's guidelines.

Table of Contents

• Safety Precautions
• Package Contents and Installation
• Connections
• External View and Controls
• Dimensions
• Remote Control
• Basic Operations
• Menu Functions
• Sources
• Settings Reset
• Smartphone Application
• Steering Wheel Control Programming
• Technical Specifications
• Warranty Card

Safety Precautions

This user manual contains important safety recommendations and operating information. Please follow all instructions carefully.

1. Avoid installing the unit in locations with high temperatures, humidity, or excessive dust.
2. Keep the unit and its accessories out of reach of children.
3. Do not drop the unit or expose it to impacts, as this may cause damage.
4. The manufacturer is not responsible for any data loss due to damage, repair, or other reasons.
5. Do not attempt to disassemble the unit yourself, as this will void the warranty.
6. Do not use alcohol, solvents, or gasoline to clean the unit's plastic parts or display. Use a dry, soft cloth only.
7. Avoid contact with liquids.
8. This product is designed for use with 12-volt DC negative-ground electrical systems only. Using it in positive-ground systems or with voltages other than 12V may cause damage to the vehicle and the unit.

Package Contents and Installation

Package Contents:

• 1 x USB Receiver
• 1 x Remote Control
• 2 x Keys for Receiver Removal
• 1 x ISO Connector
• 1 x Instruction Manual

Unit Installation:

1. Install the mounting sleeve into the standard 1DIN opening provided by the vehicle manufacturer. If the original slot is 2DIN, use AURA brand adapter plates.
2. Use a screwdriver to bend the metal tabs on the mounting sleeve outwards to secure it in place.
3. Check electrical connections and connectors. Connect the main connector to the unit. Test the system's functionality before securing it in the mounting sleeve.
4. Insert the unit into the mounting sleeve and push it in until it clicks into place.

Note: Some vehicles (e.g., TOYOTA, HONDA) may use screws to mount the unit to existing brackets. In such cases, the mounting sleeve is not used.

Connections

Power Connection:

1. Ensure your vehicle's onboard voltage is +12V.
2. Remove the fuse from the unit before connecting wires.
3. Connect the Yellow wire (A4) to a constant +12V power source.
4. Connect the Red wire (A7) to the ACC terminal of the ignition switch.
5. Connect the Black wire (A8) to the metal chassis of the vehicle (ground).
6. Connect the Blue wire (A5) to the remote turn-on input of an amplifier or antenna control.
7. Connect the Orange wire (A6) to a circuit that receives +12V when the parking lights are on.
8. Connect the remaining wires according to the diagram.

Note: To prevent excessive current draw and unstable operation, if connecting the Red wire (A7) to a constant +12V source (along with the Yellow wire A4), set the "CAR ACC" function in the "SYSTEM" menu to "NO".

Audio and RCA Cable Connections:

• SUB: RCA subwoofer output
• FL: Front Left RCA output
• FR: Front Right RCA output
• RL: Rear Left RCA output
• RR: Rear Right RCA output

ANT: Antenna input (not included).

Steering Wheel Control Connections:

• A1 - SWC key: Brown/Black
• A2 - SWC key: Brown
• A8 - GND (ground): Black

Front Speaker Connections:

• B3: Right Channel + (Gray)
• B4: Right Channel - (Gray/Black)
• B5: Left Channel + (White)
• B6: Left Channel - (White/Black)

Rear Speaker Connections:

• B1: Right Channel + (Purple)
• B2: Right Channel - (Purple/Black)
• B7: Left Channel + (Green)
• B8: Left Channel - (Green/Black)

External View and Controls

1. Power / Source: Turn the unit on/off or select the source.

2. Next Track / Fast Forward / Radio Tuning: Advance to the next track, fast forward, or tune to the next radio station.

3. Volume / Settings / Confirm: Adjust volume, cycle through settings, or confirm selection.

4. Display Info / Display Off: Show information on the display or turn the display off.

5. IR Receiver: Infrared receiver for the remote control.

6. LCD Display: Shows information about the current source, track, and settings.

7. USB Port: Connect USB devices for playback and charging.

8. Answer/End Call / Voice Assistant / Radio Band: Answer or end calls, activate voice assistant, or switch between FM bands (FM1/2, FM3).

9. Previous Track / Rewind / Radio Tuning: Go to the previous track, rewind, or tune to the previous radio station.

10. Back: Return to the previous menu or screen.

11. Microphone: Built-in microphone for hands-free calls.

12. Mute: Temporarily silence the audio output.

13. Track Search: Search for tracks.

14. Preset 1 / Next Folder: Recall preset station 1 or go to the next folder.

15. Preset 2 / Previous Folder: Recall preset station 2 or go to the previous folder.

16. Preset 3 / Repeat Mode: Recall preset station 3 or select repeat playback mode.

17. Preset 4 / Random Playback: Recall preset station 4 or select random playback mode.

18. Preset 5 / Pause: Recall preset station 5 or pause playback.

19. Preset 6 / Scan Tracks: Recall preset station 6 or scan tracks.

20. Reset: Reset settings to factory defaults.

21. AUX Input: Connect external audio sources via 3.5mm jack.

Dimensions

Unit Dimensions: 182mm (Width) x 108mm (Depth) x 53mm (Height)

Front Panel Dimensions: 53mm (Height) x 50mm (Width)

Mounting Depth: 108mm

Mounting Height: 49mm

Mounting Width: 178mm

Mounting Depth (from front): 182mm

Mounting Height (from front): 58mm

Mounting Width (from front): 188mm

Remote Control

Removing Battery Protection: The remote control comes with a battery protection tab (CR-2025). Pull the tab to enable the remote.

Replacing Battery:

1. When the battery is depleted, replace it as shown in the diagram.
2. Press and hold the lock (1), then pull the battery tray out (2).
3. Replace the old battery with a new one, observing correct polarity (+ on top).
4. Insert the battery tray back into the remote control.

Remote Control Usage:

• Point the remote control's emitter towards the unit's sensor.
• The effective operating angle is approximately 30 degrees.
• The distance should be less than 5 meters.
• A weak battery may cause the remote to malfunction.
• Keep batteries away from children.

Remote Control Functions:

• 1. Power/Volume Control: Turn the unit on/off and adjust volume.
• 2. Volume Up/Down: Increase or decrease volume.
• 3. Band/Seek: Switch radio bands or seek stations.
• 4. Prev/Rewind: Go to the previous track or rewind.
• 5. Source: Select the audio source.
• 6. Next/FF: Go to the next track or fast forward.
• 7. Mute: Mute/unmute audio.
• 8. Call/Clock: Answer/end calls or display clock.
• 9. Preset 1/Pause: Recall preset 1 or pause playback.
• 10. Preset 2/Scan: Recall preset 2 or scan tracks.
• 11. Preset 3/Repeat: Recall preset 3 or set repeat mode.
• 12. Preset 4/Random: Recall preset 4 or set random mode.
• 13. Preset 5/Seek Back: Recall preset 5 or seek back 10 tracks.
• 14. Preset 6/Seek Fwd: Recall preset 6 or seek forward 10 tracks.
• 15. Radio Mode: Select Mono/Stereo reception.
• 16. Loudness: Activate loudness control.
• 17. AMS: Auto Memory Scan for radio stations.
• 18. Source: Select audio source.
• 19. EQ Preset: Select equalizer preset.
• 20. LOC: Activate local seek function.

Basic Operations

Power On/Off: Press any button to turn the unit on. Press and hold the (1) SRC button to turn it off.

Volume Control: Rotate the volume knob (3) to adjust the volume level.

Source Selection: Press the (1) SRC button to cycle through playback sources: Radio -> USB -> AUX -> Bluetooth.

Mute: Press the (12) button to mute the audio.

Menu Navigation: Press the volume knob (3) and rotate to select a menu section: AUDIO (Sound Settings), DISPLAY (Display Settings), TUNER (Radio Settings), BLUETOOTH, SYSTEM (System Settings). Press the volume knob (3) again to enter the selected section.

Menu Functions

AUDIO (Sound Settings)

EQ Setting (Equalizer):

• Preset: 6 preset slots are available. Each slot can store a custom equalizer setting or one of 14 predefined settings. Double-press buttons 1-6 to quickly recall a preset.
• Custom: Manual 20-band equalizer adjustment (-9dB to +9dB) at frequencies: 32, 63, 125, 160, 250, 315, 500, 630, 800, 1k, 1.25k, 1.6k, 2.5k, 3.15k, 5k, 6.3k, 8k, 10k, 12.5k, 16k Hz.
• EQ Reset: Resets equalizer settings to default.

Presets Available: Flat, Classic, Rock, Pop, Easy, Top 40, Jazz, Vocal, Country, Super Bass, Natural, Electric, Powerful, Dynamic.

Bass Boost: Adjust bass enhancement (2 levels).

Loudness: Activate loudness control (2 levels).

Subwoofer Settings:

• Crossover Frequency (LPF): 80 / 120 / 160 Hz
• Level Adjustment: Off / 0 to -12dB

Fader: Adjusts the sound balance between front and rear speakers.

Balance: Adjusts the sound balance between left and right speakers.

Vol. Limit (Max Volume): Sets the maximum volume level (3 - 62).

Power Up (Volume at Power On): Sets the initial volume level when the unit is turned on (1 - 62). For correct operation, the Red ACC wire must be connected to the ignition switch.

DISPLAY (Display Settings)

Color Select: Adjusts the RGB backlight color. Options include "All Zone" (for both zones simultaneously) or "Zone 1" / "Zone 2" individually. "Reset" restores default color settings.

Dimmer: Adjusts backlight brightness (On/Off or two levels). For correct operation, the Orange wire (A6) must be connected to the +12V circuit of the parking lights.

TUNER (Radio Settings)

Local Seek: Enables/disables local seek tuning.

Stereo Set: Enables/disables stereo reception.

Regional: Selects the broadcast region (Europe, USA, Asia, Russia).

BLUETOOTH

Enable (BT Visibility): Turns Bluetooth discoverability on/off.

PIN Code: Changes the Bluetooth pairing PIN code.

MIC Gain: Adjusts the Bluetooth microphone level.

SYSTEM

Clock Settings:

• Format: Select 12/24 hour time format.
• Adjust: Set the hour and minute.
• Beep: Enables/disables button press sounds.

AUX IN: Enables/disables the AUX input source.

SWC (Steering Wheel Control): Program steering wheel buttons. See page 15 for detailed instructions.

Car ACC (Ignition Switch Position):

• Yes: Use if your car has an ACC position. Connect the Red power wire to the ACC terminal.
• No: Use if your car does not have an ACC position. Connect the Red power wire to a constant +12V source (with the Yellow wire). This minimizes standby power consumption.

Animation: Enables/disables and sets the interval for home screen animations (Off / 15 / 30 sec. / 1 / 2 / 4 min.).

Demo Mode: Turns the demo mode on/off.

Factory Reset: Resets all settings to factory defaults.

Version: Displays the firmware version.

TUNER (Radio)

Band Selection: Press the (8) BND button to select the radio band (FM1, FM2, FM3).

Saving and Recalling Radio Stations: Press and hold a number button (1-6) to save the current station. Press a number button (1-6) to recall a saved station. Up to 6 stations can be saved per band.

Automatic Station Search: Press the (9) or (2) buttons for quick station search.

Automatic Station Search and Save: Press and hold the (13) button for over 2 seconds. The unit will perform a quick scan and automatically save 18 strong FM stations.

Manual Station Search: Press and hold the (9) or (2) buttons for over 2 seconds to enter manual tuning mode. Press (9) or (2) to step through frequencies. Hold (9) or (2) to rapidly change frequencies.

Sources

USB

Connect a USB flash drive to the front panel USB port. MP3 and FLAC files will play automatically. The USB port also supports charging mobile devices (1A charging current).

Note: The quality of playback may vary depending on the FLAC, MP3, and WAV files used. Some files may not play correctly.

Track Selection: Press (9) or (2) to go to the previous or next track.

Fast Forward/Rewind: Press and hold (9) or (2) to fast forward or rewind.

Play/Pause: Press (18) ►/II to pause playback. Press again to resume.

Scan Tracks: Press (19) INT to play the first 10 seconds of each track. Press again to stop scanning.

Repeat Playback: Press (16) to select repeat modes: RPT FLD (repeat all files in current folder), RPT ALL (repeat all files on the device), RPT ONE (repeat current file).

Random Playback: Press (17) to enable/disable random playback.

Folder/Track Navigation: Press (15) or (14) to switch to the previous/next folder. Press and hold (15) or (14) to jump 10 tracks backward/forward.

AUX

Connect an external audio source using a 3.5mm AUX cable (sold separately).

Settings Reset

Press and hold the (20) RST button for 10 seconds to reset all settings except sound settings.

Smartphone Application

Most device settings are accessible via the AurA Audio mobile application for Android and iOS.

To control the receiver with your smartphone:

1. Install the AurA app from Google Play or the App Store.
2. Connect your smartphone to the receiver via Bluetooth.
3. Launch the AurA app to control the receiver.

[App Store QR Code] [Google Play QR Code]

Steering Wheel Control Programming (Direct SWC)

This function is compatible with vehicles that have resistive steering wheel controls where the common control wire is connected to the vehicle's ground. Ensure the steering wheel control wires are connected to the ISO connector (Section A) for proper operation.

Wiring: Connect the "WHEEL GND" wire to the black GND wire (A8). Connect the "WHEEL KEY A" and "WHEEL KEY B" signal wires to wires A1 (Brown/Black) and A2 (Brown) respectively.

Voltage Range: The operating voltage for connected buttons is 0.3V to 3.3V. The minimum voltage difference between buttons should be 0.3V to ensure proper recognition.

WARNING: The manufacturer does not guarantee correct operation with all vehicle models and is not responsible for any issues arising from incorrect installation. Consult your vehicle's dealer or a certified installer for proper wiring.

Programming Procedure:

1. Select SYSTEM menu.
2. Enter SWC section and choose a memory bank (SWC 1 or SWC 2).
3. Enable the function by selecting YES.
4. Press the "Back" button and select PROGRAM. The display will show "PRESS KEY 1".
5. Press a button on the steering wheel to assign a function. The display will show "CHOOSE KEY 1".
6. Select a button on the head unit to assign the function to. Upon successful assignment, "PRESS KEY 2" will appear.
7. Repeat steps 1-2 for each button you wish to program.
8. Press the volume knob to save the settings. The display will show "SAVED x KEYS" and return to the SWC menu.

Note: Up to 9 functions can be programmed. To disable programmed buttons, go to the SWC menu, select ENABLE, and choose NO.

Technical Specifications

General

• Operating Voltage: 12V DC (9.6V - 15V range)
• Fuse: 15A
• Max Output Power: 4 x 51W (at 4 Ohm)
• RMS Output Power: 4 x 16W (at 4 Ohm)
• Speaker Impedance: 4 - 8 Ohm
• Frequency Response: 20 Hz - 20 kHz
• Display Viewing Angle: ±30° Vertical, ±15° Horizontal
• AUX Input: 3.5mm jack (front panel)
• RCA Output: 6-channel (3 pairs)
• RCA Output Level: Up to 3.5V
• Max Current Consumption: 15A
• Mounting Dimensions: 182mm (W) x 108mm (D) x 53mm (H)
• Operating Temperature: 0°C to +60°C
• Operating Humidity: 45% to 80%

USB

• Supported Media: USB drives
• Supported Formats: FLAC (16 bit), WAV, APE, AAC, MP3
• File System: FAT16, FAT32
• USB/SD Card Support: USB 2.0, USB 3.0, up to 256GB
• ID3 Tag Support: English, Russian

Bluetooth

• Version: 5.0
• Profiles: A2DP, AVRCP, HFP
• Frequency: 2.4 GHz

FM Radio

• Station Memory: 18 FM stations
• Frequency Range: 87.5 - 108.0 MHz
• Antenna Impedance: 75 Ohm

AUX IN

• Input Signal Level: 500mV (max 2V)
• Connector: 3.5mm mini jack

Equalizer

• LPF Filter (Subwoofer): 80/120/160Hz, adjustment from 0dB to +12dB in 1dB steps.

Warranty Card

Model Name: STORM-535BT

Serial No.: _______________

Buyer Name: _______________

Buyer Address/Phone No.: _______________

Sales Date: _______________

Signature: _______________

Seller Name/Stamp: _______________

Warranty Terms and Conditions

The manufacturer guarantees the high quality and reliability of its products, provided that the technical requirements described in the operating instructions are met. This warranty is valid for one year from the date of purchase and covers defects arising from faulty materials or manufacturing. Warranty service is provided by the manufacturer, authorized dealers, and service centers within the Russian Federation.

The product is not covered by warranty if:

1. Water or other liquids have entered the product.
2. The warranty card is incomplete or missing.
3. Improper installation (incorrect wiring, poor ventilation).
4. The product has been tampered with or modified.

For disputes not covered by these terms, an Authorized Service Center will make a decision after technical inspection.

The warranty does not cover parts with limited service life (batteries, fuses, etc.). This warranty is void if the product is used for industrial purposes.

All warranty conditions comply with current consumer protection legislation.

For additional information, visit www.aurael.ru.

Notes

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