Naifay 7-Inch HD Touchscreen Car Stereo

Product Overview

This Naifay car stereo features a 7-inch HD touchscreen, supporting Bluetooth, AM/FM radio, USB, TF card playback, MP5, and rearview camera functionality. It is compatible with Apple CarPlay, Android Auto, and MirrorLink, offering audio, video, and picture playback.

Before Installation

Thank you for purchasing the Naifay car stereo. Before installing, please test the unit with a 12V DC power supply. Connect the red and yellow wires of the power cord together to the positive pole of the battery, and the black wire to the negative pole. Press each button to check if the machine boots normally. If it boots, proceed with installation. If not, reconfirm the wiring or contact support.

Rear Interface Description

The rear of the unit features various connection ports:

• Power Connections: ACC (Ignition Switch +12V), GND (Ground wire B-), 12V Control Line, Illuminate.
• Control Lines: KEY (Steering wheel control), BATTERY (Power Supply +12V), REVERSE (Reversing camera), BRAKE (Parking brake cable).
• Audio/Video Outputs: Front speaker outputs (Left/Right), Rear speaker outputs (Left/Right), Subwoofer output (optional), External display output (optional), REM (for amplifier).
• Inputs: Front view camera (optional), Radio antenna, AUX input.

Wiring Notes:

• The unit powers on when both the yellow line (B+) and red line (ACC) have a 12V positive power supply.
• The yellow line (B+) maintains power and memory function.
• Ensure speaker cables are not grounded, shared, or touching other wires to prevent sound issues or overheating.

Reversing Camera Installation Method

Connect the reversing camera to the 'Reverse Video Input' port. The pink wire (Reverse) should be connected to the reverse light signal. The red wire from the camera connects to the reverse light positive, and the black wire to the reverse light negative (GND). If the reversing camera is not installed, do not connect the REVERSE/BACK cable to avoid improper display or automatic entry into reverse mode.

Machine Fixed Reference Method

Follow Step 1 and Step 2 for physically mounting the unit.

Main Interface

The main interface provides access to various functions:

1. HOME: Returns to the main interface.
2. Return: Goes back to the previous interface.
3. RADIO: Accesses the radio mode.
4. BT: Enters the Bluetooth phone music and call interface.
5. PhoneLink: Connects to CarPlay, Android Auto, or MirrorLink via USB for screen mirroring.
6. USB: Plays music, videos, or pictures from a USB flash drive.
7. AV IN: Enters the external audio mode interface.
8. Setup: Accesses system settings.
9. BT Music: Plays music via Bluetooth.
10. Sound: Adjusts EQ sound effects.
11. Logo: Customizes the boot logo or selects from system-provided logos.

Radio Function

Basic Operation:

• Short press ◄►► to automatically search for the next/previous station.
• Long press ◄►► to manually search stations.
• Long press P1-P6 to save current stations.
• Up to 18 stations can be pre-stored.

Controls:

• FM: Switches between FM1, FM2, FM3 bands.
• AS: Automatically searches and stores radio stations.
• Introduce: Browses radio stations.
• LOC/DX: Selects between local and long-range broadcasts.
• EQ: Accesses the sound effect setting interface.

BT Function

Pairing and Connection:

1. Power on the unit and enable Bluetooth on your mobile phone.
2. Search for the device named "Carkit" (PIN: "0000" if required) and connect.

Interface Options:

• Call Interface: Make calls.
• Call History: View call history.
• Contacts: Access phone contacts.
• Pairing Interface: Manage Bluetooth pairing.
• BT Music: Play music via Bluetooth.
• Answer Call: Answer incoming calls.
• Dial Keypad: Enter numbers to dial.
• Backspace: Erase input.
• BT Music Prev/Next: Control music playback.
• Pause/Resume: Pause or resume music playback.

AV IN Function

Connect external audio players like mobile phones or iPods via the 3.5mm Front AUX hole.

Steering Wheel Controls

Wiring Method:

1. Connect the positive pole of the original steering wheel button control line to the KEY line on the unit.
2. Connect the negative pole of the steering wheel button control line to the ground (power negative) line on the unit.

Learning Method:

1. Press and hold a steering wheel function key, then tap the corresponding function on the screen. A persistent highlight indicates successful learning. Repeat for other buttons.
2. Press 'Reset' to re-learn if an error occurs.

PhoneLink (CarPlay & Android Auto & MirrorLink)

Connect your phone via USB to project its screen onto the car stereo.

Apple CarPlay:

Connect an iPhone via USB. The unit will automatically enter the CarPlay interface. Access it via 'PhoneLink' on the HOME screen after exiting.

Android Auto:

Requires "Android Auto" app installed from "Google Play". Use Android 6.0+ and a valid data cable. Connect the phone to the unit via USB. The unit will automatically enter the Android Auto interface.

MirrorLink (Android):

Supports most Android phones below Android 11.0. Enable 'Developer Options' and 'USB Debugging' on your phone. Connect via USB, download the prompted software, and the phone screen will be projected.

MirrorLink (iPhone):

Connect an iPhone via USB to project its screen and audio in sync.

System Settings

Access various settings through the 'Setup' menu:

• Basic Setup: Includes Beep tone switch, Reverse Mute, Video warning, Front camera settings, Key light settings, Color light interval, Touch calibration, and Factory reset.
• Tuner Region: Select the appropriate radio frequency region (e.g., China, America, Europe).
• Display Settings: Adjust Brightness, Contrast, Hue, and Saturation.
• Background: Choose wallpaper.
• Language: Select from multiple language options (English, Chinese, French, Portuguese, Russian, Spanish).

Remote Control Function

The remote control allows operation of the unit. Ensure the battery insulation paper is removed before use. If the remote is unresponsive, try re-inserting the battery or replacing it.

Remote Control Buttons: Power, Left/Right, Mode, Last/Next Song, USB/SD, Volume +/-, Band/Auto Search, Digital Key, Menu, Confirm/Play/Pause, Choice, Answer Phone, Hang Up.

Common Problems and Simple Troubleshooting

1) Unable to boot normally

• Wiring: Ensure correct connections for ACC, Key Control, and Ground. Check for loose or incorrect wiring.
• Fuse: If the yellow wire fuse blows repeatedly, check for short circuits in the unit's protection circuit. Try connecting the yellow and red wires together to test.
• Car Line Issue: If the unit boots with a separate 12V power supply but not with the car's wiring, the car's wiring may be faulty.

2) Automatic shut-down

• Cable Error: Ensure the automatic antenna power supply cable (blue) is not connected to the unit's power cable.
• Voltage Instability: Test with a stable 12V-5A power supply. If the issue persists, the unit may be faulty.

3) Having noise

• Speaker Power: Insufficient speaker power can cause noise at high volumes. Consider upgrading speakers.
• Speaker Cable Grounding: Ensure speaker cables are not grounded.

4) Remote control cannot be used

Test the remote's battery using a phone camera. If the IR emitter lights up, the battery is good.

5) Settings cannot be saved (no memory)

Ensure the yellow and red wires are connected together (yellow to positive, red to key control). If reversed, swap their positions.

6) Car audio with Bluetooth but it can't work

Pair the phone by searching for "CAR-BT" and connecting with PIN "0000".

7) Product smoke / FUSE blown

If the unit smokes or a fuse blows repeatedly, the internal circuit may be damaged and requires repair.

8) Sound adjustment issues

Adjust volume for basic sound level. Use the EQ settings for sound effects. If sound cannot be adjusted, reset the unit or check the volume knob.

9) No display of reversing video

Check camera wiring, including the reverse control line (pink or brown) and the backup light connection. Ensure the camera itself is functional.

10) USB flash disk cannot be played / Card slot issue

Format USB flash drive to FAT32. If the card slot doesn't accept the card, check for damage.

11) FM does not receive the radio station

Ensure the antenna is properly inserted and connected. Use the AMS function for auto-search or manually tune. Try inserting a screwdriver into the antenna port as a temporary measure.

12) No sound right after installation

Check for short-circuited speaker cables. Ensure the correct number of speaker wires are connected per speaker.

13) No sound after a while

Disconnect speaker cables and test with an external speaker to isolate whether the issue is with the unit or the car's speaker wiring.

If problems persist, contact support at xiewufeng@leadfan.onaliyun.com.