AC-44P3

USB Dash Camera

User Manual

Preface

Thank You for Choosing This Product

Thank you for purchasing this product. Please read this manual carefully before installation and use to ensure proper operation and safe use.

Product features, specifications, software interfaces, and illustrations in this manual are provided for reference only and may vary depending on the product version, software version, or configuration. The actual product shall prevail.

Copyright Statement

The contents of this manual, including text, illustrations, diagrams, and other materials, are protected by applicable copyright and intellectual property laws.

Without prior written authorization from the copyright owner, no organization or individual may reproduce, distribute, modify, translate, publish, or use any part of this manual for commercial purposes.

Permitted Use

This manual is provided for users of the applicable product. Users may view, store, or print the manual for personal and reasonable use.

Copyright notices, product information, and other proprietary notices contained in this manual must not be removed or altered.

Disclaimer

The manufacturer reserves the right to update or revise the product, software, specifications, and contents of this manual without prior notice.

The manufacturer shall not be responsible for damage or loss resulting from improper installation, misuse, unauthorized modification, or operation that does not follow the instructions provided in this manual.

Always comply with applicable local laws and regulations when installing and using the product.

Chapter 1 Product Overview

The AC-44P3 USB Dash Camera is designed for use with compatible Android car stereos. Once connected to the head unit via USB, it works with the HD DVR app to provide front-view video recording, photo capture, loop recording, audio recording, and other DVR functions.

DVR functions are operated through the HD DVR app on the connected compatible head unit.

1.1 Product Appearance & Components

① Adjustable Camera Lens

Captures the road ahead. Adjust the lens vertically to obtain the proper viewing angle.

② Microphone

Records in-vehicle audio together with video when audio recording is enabled.

③ microSD Card Slot

Insert a compatible microSD card for video and photo storage.

④ Adhesive Base

Secures the dash camera to the windshield.

⑤ Connector Cable

Connects the dash camera to the supplied USB extension cable and compatible head unit.

⑥ USB Extension Cable

Connects the dash camera to the USB port of the compatible head unit and extends the connection cable for installation.

Chapter 2 Installation Introduction

Installation process

Step 1 — Insert the microSD Card

Insert a microSD card before installing the camera.

Note: Use a Class 10 or higher-speed microSD card. Maximum supported capacity: 128 GB.

Important: A microSD card must be inserted to enable the DVR recording function.

Step 2 — Connect the Dash Camera

Connect the camera cable to the USB extension cable, then plug it into the head unit’s USB port.

Ensure all connections are secure.

Step 3 — Install the Dash Camera

Choose a suitable position on the upper windshield, preferably near the rearview mirror. Clean and dry the surface, remove the protective film, attach the camera firmly, and adjust the lens for a clear forward view.

Step 4 — Route the Cable

Route the cable along the windshield edge, headliner, A-pillar, and dashboard toward the head unit.

Secure the cable and keep it away from airbags, pedals, moving parts, and sharp edges.

Important Notes

● Do not operate or adjust the dash camera while driving.

● Do not frequently connect or disconnect the camera during use.

● Do not disassemble, modify, or repair the camera yourself.

● Clean the camera lens regularly to maintain clear recordings.

● Recording-related functions, including parking monitoring and loop recording, may vary depending on power supply, microSD card status, system settings, and operating conditions.

● Installation and use must comply with applicable local laws and regulations regarding windshield-mounted devices and video recording.

Chapter 3 DVR Function Instructions

When the AC-44P3 dash camera is connected to the compatible head unit, open the HD DVR app to view the live camera image, record driving videos, take photos, and manage recorded files.

3.1 Main Features

1080P Full HD Recording

Supports 1920 × 1080 Full HD video recording at up to 30 fps, providing clear footage during everyday driving.

Loop Recording

Supports continuous loop recording. When the storage space is full, older unlocked video files are automatically overwritten so recording can continue.

Night Vision Support

Improved low-light visibility helps maintain clearer video recording in dark or low-light driving environments.

Wide-Angle View

The AC-44P3 features a wide-angle lens to capture a broader area in front of the vehicle.

Photo Capture

Take a still photo directly from the live DVR screen when needed.

Audio Recording

The built-in microphone of the compatible dash camera can record audio together with the video. Audio recording can be enabled or disabled from the DVR interface.

Video File Lock

Important video clips can be locked to help prevent them from being overwritten during loop recording.

Video Playback

Recorded videos and photos can be viewed directly through the HD DVR app on the head unit.

Driving Information Display

When the required positioning information is available, the DVR interface can display driving information such as:

• Vehicle speed
• Latitude
• Longitude

3.2 HD DVR Interface

After connecting the AC-44P3, tap HD DVR on the head unit to enter the DVR interface.

The main controls include:

① Microphone

 Turns audio recording on or off.

② Snapshot

 Captures a still photo from the current camera view.

③ Record

 Starts or stops video recording.

④ Lock

 Locks the current video file to help prevent it from being overwritten.

⑤ Playback

 Opens recorded videos and photos file list.

⑥ ADAS Settings

This page contains the ADAS (Advanced Driver Assistance System) related settings. These options allow you to enable or adjust warning functions such as lane departure and distance alerts.

ADAS Switches

Turns the ADAS function on or off.

Alert Sensitivity

Adjusts how sensitive the ADAS warning system is.

Lane Departure

Enables or disables the lane departure warning function.

Distance Warning

Enables or disables the forward distance warning function.

Start in Front

Enables or disables the front vehicle start alert function.

When the vehicle ahead starts moving, the system can provide a reminder.

Sound

Turns the ADAS warning sound on or off.

Lane Departure Speed

Sets the minimum speed at which the lane departure warning becomes active.

Distance Early Warning Speed

Sets the minimum speed at which the distance warning function becomes active.

Note: ADAS functions are driver-assistance features only. They do not replace safe driving practices or driver attention.

⑦ Picture-in-Picture

Tap this icon to return to the App Drawer screen while keeping the DVR view displayed in a floating window.

⑧ General DVR Settings

This page contains the general recording and system settings for the HD DVR app.

GPS Switch

Turns GPS data recording on or off.

Time Watermark

Adds or removes the recording time watermark on video files.

Speed Units

Sets the speed display unit, such as km/h or mph.

Clip Time

Sets the length of each recorded video clip.

Format

Formats the storage used by the DVR and deletes all saved recording files.

Device Version

Displays the current connected DVR device version.

APP Version

Displays the current HD DVR app version.

Note: Formatting the storage will erase all saved files. Please back up important videos before formatting.

Chapter 4 Troubleshooting

Chapter 5 Specifications