AUDIOTEK Car Stereo Audio in-Dash FM Aux Input Bluetooth Receiver User Manual

Product Overview

The AUDIOTEK AT-236BT is an in-dash mechless car stereo receiver designed to provide versatile audio playback options for your vehicle. It features an AM/FM tuner, Bluetooth connectivity for wireless audio streaming and hands-free calls, and multiple input options including USB, SD card, and a front auxiliary input.

Image: The retail box of the AUDIOTEK AT-236BT car stereo, showcasing its features and design.

Key Features:

• In-Dash Mechless AM/FM/Digital Media Car Stereo Receiver
• Power Output: Peak: 50 watts x 4 channels RMS: 25 watts x 4 channels
• Balance/Fader/Treble adjustment control
• Playback of MP3 and WMA audio files
• AM/FM tuner with 18 FM and 12 AM presets
• Front Auxiliary Input and Front USB Input
• Bluetooth for audio streaming and hands-free calling

Setup and Installation

Proper installation is crucial for the optimal performance and safety of your car stereo. If you are unsure about any steps, it is recommended to seek professional assistance.

Package Contents:

• AUDIOTEK AT-236BT Car Stereo Receiver
• Wiring Harness
• Mounting Hardware (Sleeve, Keys)
• User Manual (this document)

Wiring Diagram:

Refer to the wiring diagram on the unit's chassis or the included wiring harness for specific connections. Below is a general guide for common connections.

Image: The rear view of the AUDIOTEK AT-236BT car stereo, displaying the various input and output ports, including RCA outputs and the antenna input.

Important: Ensure all connections are secure and properly insulated to prevent short circuits. Connect the ground wire first.

Mounting:

1. Insert the metal mounting sleeve into the dashboard opening. Bend the tabs outward to secure it.
2. Connect all necessary wiring harnesses and the antenna cable to the rear of the stereo.
3. Carefully slide the stereo into the mounting sleeve until it clicks into place.

Initial Power On:

After installation, turn on your vehicle's ignition. The stereo should power on. If not, recheck your wiring connections.

Operating Instructions

Familiarize yourself with the front panel controls for easy operation.

Image: The front panel of the AUDIOTEK AT-236BT car stereo, showing the display, rotary volume knob, and various control buttons for power, mode, clock, band, mute, EQ, and media playback.

Front Panel Controls:

• PWR/MOD Button: Press to turn on/off. Press to cycle through modes (FM, USB, SD, AUX, Bluetooth).
• CLK Button: Press to display clock. Press and hold to enter clock setting mode.
• BND/AS Button: In FM mode, press to select radio band (FM1, FM2, FM3). Press and hold to auto-store stations.
• Volume Knob: Rotate to adjust volume. Press to select menu options.
• MUTE Button: Press to mute/unmute audio.
• EQ Button: Press to cycle through equalizer presets (e.g., POP, ROCK, CLASSIC, FLAT).
• ◀◀ / ▶▶ Buttons: Skip tracks/stations. In radio mode, short press for manual tuning, long press for auto-seek.
• 1-6 Number Buttons: Store and recall radio presets. In USB/SD mode, used for direct track selection or folder navigation.
• USB Port: Connect USB flash drives for media playback.
• TF (SD Card) Slot: Insert SD/MMC cards for media playback.
• AUX Input: Connect external audio devices via a 3.5mm jack.

Radio Operation (FM):

1. Press the PWR/MOD button to select FM mode.
2. Press BND/AS to select FM1, FM2, or FM3 band.
3. Short press ◀◀ or ▶▶ to manually tune. Long press to auto-seek.
4. To store a preset: Tune to desired station, then press and hold a number button (1-6) until you hear a beep.
5. To recall a preset: Short press the corresponding number button (1-6).
6. To auto-store stations: Press and hold BND/AS button. The unit will scan and store strong stations automatically.

Bluetooth Operation:

1. Press the PWR/MOD button to select Bluetooth mode (BT). The display will show "BT".
2. On your mobile device, enable Bluetooth and search for available devices.
3. Select "CAR BT" or similar from the list. No password is typically required.
4. Once paired, you can stream audio from your device to the stereo. Use the ◀◀ / ▶▶ buttons to control playback (skip tracks).
5. For hands-free calls, the stereo will automatically switch to call mode when a call is received. Use the volume knob to adjust call volume.

USB/SD Card Playback:

1. Insert a USB flash drive into the USB port or an SD/MMC card into the TF slot.
2. The unit will automatically switch to USB/SD mode and begin playing compatible audio files (MP3, WMA).
3. Use ◀◀ / ▶▶ buttons to skip tracks.
4. Use number buttons (e.g., 5/10+, 6/10-) for folder navigation or direct track selection if supported.

Auxiliary Input:

1. Connect your external audio device (e.g., smartphone, MP3 player) to the front AUX input using a 3.5mm audio cable.
2. Press the PWR/MOD button to select AUX mode.
3. Control playback from your connected device.

Sound Settings:

• EQ: Press the EQ button to cycle through preset equalizer settings (e.g., POP, ROCK, CLASSIC, FLAT).
• Bass/Treble/Balance/Fader: Press the volume knob to cycle through audio settings (BASS, TREB, BAL, FAD). Rotate the volume knob to adjust the selected setting.

Setting the Clock:

1. Press the CLK button to display the current time.
2. Press and hold the CLK button until the hour digits start flashing.
3. Rotate the volume knob to adjust the hour.
4. Press the volume knob again to switch to minute adjustment.
5. Rotate the volume knob to adjust the minutes.
6. Press the CLK button again or wait a few seconds for the setting to be saved.

Maintenance

Regular maintenance helps ensure the longevity and optimal performance of your car stereo.

• Cleaning: Use a soft, dry cloth to wipe the front panel. For stubborn dirt, slightly dampen the cloth with water. Do not use abrasive cleaners or solvents.
• Connections: Periodically check all wiring connections to ensure they are secure and free from corrosion.
• Environment: Avoid exposing the unit to extreme temperatures, direct sunlight for prolonged periods, or excessive moisture.

Troubleshooting

If you encounter issues with your AUDIOTEK AT-236BT car stereo, refer to the following common problems and solutions.

If the problem persists after trying these solutions, contact customer support or a qualified technician.

Specifications

Warranty and Support

For specific warranty information, please refer to the documentation included with your purchase or contact the retailer where the product was acquired. Warranty terms may vary by region and seller.

For technical support or further assistance, please contact the seller or the manufacturer, AUDIOTEK. Keep your purchase receipt and product model number (AT-236BT) ready when contacting support.

Manufacturer: Audiotek