1. Introduction
The ATOTO P5 is a portable 9-inch QLED display designed to bring wireless CarPlay and Android Auto functionality to your vehicle without requiring a complex stereo replacement. It features a glare-suppressing touchscreen, multiple audio output options, and supports various camera inputs for enhanced driving safety and convenience.

Figure 1: ATOTO P5 Portable Car Stereo System Overview
2. Package Contents
Verify that all items are present in your package:
- 9-inch Wireless CarPlay Android Auto Screen
- Portable Car Stereo
- QLED Glare-Suppressing Touchscreen
- GPS Navigation (via phone)
- Mirror Link (wired)
- AUX/FM Output
- 1080P Backup Camera (AC-HD04LR)
- Remote Control (AC-44F6 SWC)
- Sticking Holder
- Power Cable
- Sticky Pad
- Extension Cable for AC-HD04LR (8m/26ft)
- AUX Cable
- Holder Adapter
- USB-C Camera Plug
- 3.5mm Microphone
- User Manual

Figure 2: ATOTO P5 Package Contents
3. Setup
3.1 Mounting the Device
- Clean the dashboard surface thoroughly to ensure optimal adhesion for the silicone pad.
- Attach the upgraded silicone pad to the desired location on your dashboard. The pad is designed to hold firmly even on uneven surfaces.
- Secure the device holder to the silicone pad.
- Slide the ATOTO P5 screen onto the holder until it clicks into place.

Figure 3: Mounting Steps for ATOTO P5
3.2 Power Connection
Connect the power cable from the ATOTO P5 to your car's 12V cigarette lighter socket. The device is designed for a clean and tidy dashboard with minimal cabling.

Figure 4: Power Connection via Cigarette Lighter Adapter
3.3 Initial Device Overview
Familiarize yourself with the ports and buttons on the ATOTO P5 unit:

Figure 5: ATOTO P5 Product Diagram
4. Operating Instructions
4.1 Wireless CarPlay & Android Auto
The ATOTO P5 allows for seamless wireless connection to Apple CarPlay and Android Auto. This enables access to online maps, music, calls, and voice assistants like Siri or Google Assistant directly from the P5 screen.
- Ensure Bluetooth and Wi-Fi are enabled on your smartphone.
- On the ATOTO P5 screen, select either 'CarPlay' or 'Android Auto'.
- On your smartphone, search for and connect to the ATOTO P5's Bluetooth device (e.g., 'T86-1D0E33').
- Confirm the pairing request on both devices.
- Once connected, CarPlay or Android Auto will launch automatically on the P5 screen.
Video 1: ATOTO P5 Portable Navigation Device Overview and Wireless Connectivity
Video 2: Demonstrating HD Wireless Android & CarPlay Screen Connection and Audio Output

Figure 6: Wireless CarPlay and Android Auto Interface
4.2 Audio Output Modes
The ATOTO P5 offers four ways to output audio to your car's sound system:
- Bluetooth Output: Connects to your car stereo via Bluetooth for clear sound.
- FM Output (Stereo Type): Transmits audio to your car's FM radio. Tune your car radio to the same frequency as the P5.
- AUX Output (Stereo Type): Connects directly to your car's AUX input using the provided AUX cable for high-quality audio.
- Built-in Speaker: For direct audio playback from the P5 unit.

Figure 7: Audio Output Options
4.3 Wired Mirroring (AutoLink)
For apps not compatible with CarPlay/Android Auto, you can project your smartphone's screen onto the P5's 9-inch display via wired mirroring (AutoLink). Connect your phone to the P5 using a USB cable.

Figure 8: Wired Mirroring (AutoLink)
4.4 Camera Features
The ATOTO P5 enhances driving safety with integrated camera support:
- 1080P Backup Camera (AC-HD04LR): Provides a 168° wide viewing angle to reduce blind spots. Features include Live Rear-View (LRV) for real-time rear visibility while driving forward, Night Vision for clear sight in low light, and strong light suppression to manage glare from headlights.
- Optional 720P On-Dash Camera (AC-44P4): Supports auto-start loop recording for continuous front-view coverage.

Figure 9: Backup Camera Features (Day and Night View)

Figure 10: AC-HD04LR Backup Camera Details
4.5 Auto-Dimmer
The P5 features a built-in light sensor that automatically adjusts screen brightness to a comfortable level based on ambient lighting conditions. This ensures clear visibility without distractions, whether driving into or out of a tunnel, and automatically switches between day and night modes for navigation.

Figure 11: Auto-Dimmer in Action
4.6 Steering Wheel Control (SWC)
The included AC-44F6 SWC allows you to control essential functions like adjusting volume, switching songs, and answering calls with a simple press, minimizing distractions while driving.

Figure 12: Steering Wheel Control Functions
5. Maintenance
To ensure the longevity and optimal performance of your ATOTO P5:
- Keep the screen clean using a soft, dry cloth. Avoid abrasive cleaners.
- Regularly check for firmware updates. Updates can be downloaded via an SD card or USB drive to address bugs and introduce new features.
- Ensure proper cable management to prevent damage to wires and ports.

Figure 13: Firmware Updates and Resources
6. Troubleshooting
If you encounter issues with your ATOTO P5, consider the following common solutions:
- Connection Issues: Ensure Bluetooth and Wi-Fi are active on your phone and the P5. Try restarting both devices.
- Audio Problems: Verify the selected audio output mode (Bluetooth, FM, AUX, or built-in speaker) is correctly configured and connected. Check volume levels on both the P5 and your car stereo.
- Screen Responsiveness: If the touchscreen is unresponsive, try restarting the device. Ensure the screen is clean and free of debris.
- Firmware: Ensure your device has the latest firmware. Outdated firmware can sometimes cause unexpected behavior.
7. Specifications
| Item Weight | 3.91 pounds |
| Package Dimensions | 11.22 x 6.93 x 4.8 inches |
| Item Model Number | P5FJPF75 |
| Display Size | 9 Inches |
| Voice Command | Touchscreen |
| Brand | ATOTO |
| Model Name | P509SD-S21 |
| Screen Size | 9 Inches |
| Special Feature | 4 Audio Outputs, 9inch QLED Glare-Suppressing Touchscreen, Auto-dimming, Live Rearview Camera & Steering wheel control, Wireless Carplay & Wireless Android Auto |
| Connectivity Technology | Auxiliary, Bluetooth, USB |
| Audio Output Mode | AUX, Speaker, Stereo |
| Mounting Type | Dashboard Mount |
8. Warranty and Support
Your ATOTO P5 comes with a 12-month warranty from the date of purchase. You can extend this by an additional 6 months by contacting customer care. For any assistance, refer to the contact details provided in the product box. Our customer care team is available around the clock on workdays.

Figure 14: Customer Support and Warranty Information





