XTRONS CM173HD

XTRONS 17.3 Inch FHD Digital TFT Screen Car Overhead Monitor

Model: CM173HD

User Manual

1. Introduction

This manual provides detailed instructions for the installation, operation, and maintenance of your XTRONS CM173HD 17.3-inch Full HD 1080P Car Overhead Monitor. Please read this manual thoroughly before using the product to ensure proper function and safety. Keep this manual for future reference.

The XTRONS CM173HD is designed to provide high-quality video entertainment for vehicle passengers, featuring a large 17.3-inch screen with 1920x1080 resolution, multiple input options, and flexible audio output capabilities.

XTRONS CM173HD 17.3-inch car overhead monitor with remote control

Image 1.1: XTRONS CM173HD Overhead Monitor and Remote Control

2. Safety Information

  • Professional Installation Recommended: Installation of this product requires technical knowledge and experience with vehicle electrical systems. It is highly recommended to have the unit installed by a qualified professional.
  • Power Supply: Ensure the unit is connected to a 12V DC power supply. Incorrect voltage can damage the device.
  • Wiring: Carefully follow the wiring diagram. Incorrect wiring can lead to malfunction, electrical short circuits, or fire.
  • Mounting: Securely mount the unit to prevent it from dislodging during vehicle movement, which could cause injury.
  • Operating Temperature: Do not expose the unit to extreme temperatures outside its specified operating range.
  • Moisture: Keep the unit dry and away from moisture to prevent electrical hazards.
  • Cleaning: Use a soft, dry cloth for cleaning. Avoid abrasive cleaners or solvents.

3. Package Contents

Verify that all items are present in the package:

  • 1 x XTRONS CM173HD Overhead Monitor
  • 1 x Remote Control
  • 6 x Mounting Nuts
  • 1 x User Manual
Image showing the XTRONS CM173HD monitor, remote control, mounting nuts, and user manual

Image 3.1: Package Contents

4. Product Features

  • 17.3-inch Full HD Display: A large 17.3-inch screen with 1920x1080 resolution for clear and vibrant visuals.
  • Built-in HDMI Port: Connect external devices such as smartphones, game consoles, or digital TV boxes via HDMI.
  • 130-Degree Rotatable Screen: Adjust the viewing angle for optimal comfort for all passengers.
  • Blue Atmospheric LED Light Bar: Integrated LED lighting for ambient illumination.
  • Positive and Negative Door Control: The LED lights can automatically turn on/off with the vehicle's door status.
  • Sleek and Elegant Touch Panel: Intuitive touch-sensitive buttons for easy control.
  • Built-in Stereo Speakers: Direct audio output from the monitor.
  • Multiple Sound Output Options: Includes built-in FM transmitter and IR transmitter for wireless headphone connectivity (headphones not included).
  • Dual AV Input Channels: Connect up to two external AV sources for versatile entertainment options.
  • USB and SD Card Support: Play media files directly from USB drives and SD cards.
  • Digital Media File Compatibility: Supports various formats including MOV, MP4, FLAC, WMV, WMA, AVI, MKV.
  • Wireless Screen Mirroring: Compatible with Android and iOS devices using optional XTRONS HDT V05 accessory (sold separately).
Diagram showing key features: 17.3 inch FHD screen, 1920x1080 resolution, built-in speakers, built-in HDMI, 130 degree rotatable screen, and positive/negative door control

Image 4.1: Key Product Features

Image illustrating the 17.3-inch HD screen with 1920x1080 pixels for 1080P video playback

Image 4.2: High Definition Display

5. Setup

5.1 Installation Considerations

Before beginning installation, ensure the vehicle's battery is disconnected. Professional installation is strongly recommended due to the complexity of vehicle electrical systems and the need for secure mounting. Consider the optimal placement for viewing and accessibility.

5.2 Wiring Diagram

Refer to the following diagram for correct wiring connections. Incorrect wiring can cause damage to the unit or vehicle.

Wiring diagram for the XTRONS CM173HD monitor showing connections for door control, audio inputs, video inputs, B+, and GND

Image 5.1: Wiring Diagram

  1. Door Control-: Connect to the negative door trigger wire of your vehicle.
  2. Door Control+: Connect to the positive door trigger wire of your vehicle.
  3. Audio Right Input 1: Right channel audio input for AV source 1.
  4. Audio Left Input 1: Left channel audio input for AV source 1.
  5. Video Input 1: Video input for AV source 1.
  6. Video Input 2: Video input for AV source 2.
  7. Audio Right Input 2: Right channel audio input for AV source 2.
  8. Audio Left Input 2: Left channel audio input for AV source 2.
  9. B+: Connect to the vehicle's constant 12V power supply.
  10. GND: Connect to the vehicle's ground point.

5.3 Mounting

The unit is designed for roof mounting. After identifying a suitable location, use the provided mounting nuts to securely fasten the monitor to the vehicle's ceiling structure. Ensure the mounting area is strong enough to support the unit's weight and that no critical wiring or components are obstructed or damaged during the process.

6. Operating Instructions

6.1 Power On/Off

Press the power button on the unit's touch panel or the remote control to turn the monitor on or off.

6.2 Source Selection

Use the 'Source' button on the touch panel or remote control to cycle through available input sources: HDMI, USB, SD, AV1, AV2.

Image showing dual AV input channels with easy switching between AV source 1 and AV source 2

Image 6.1: Dual AV Input Channels

6.3 Media Playback (USB/SD)

Insert a USB drive or SD card into the designated slot. The unit will automatically detect the media and display the file browser. Navigate through your files using the touch panel or remote control. Supported file systems for USB/SD are FAT32, with a maximum capacity of 32GB.

Image showing various digital media file formats like MOV, MP4, FLAC, WMV, WMA, AVI, MKV, compatible with the monitor

Image 6.2: Digital Media File Compatibility

6.4 Audio Output Options

  • Built-in Speakers: Audio will play directly from the monitor's integrated speakers.
  • Built-in FM Transmitter: Transmit audio to your vehicle's radio. Select an unused FM frequency on the monitor and tune your car radio to the same frequency. Available frequencies: 87.7, 88.1, 88.5, 88.9, 106.7, 107.1, 107.5, 107.9 MHz.
  • Built-in IR Transmitter: For use with wireless infrared headphones (XTRONS DWH005, DWH006 are compatible, sold separately). The IR transmitter supports dual channels (A & B).
Image illustrating multiple sound output options: built-in speakers, connection to other car stereo, and built-in IR transmitter for headphones

Image 6.3: Multiple Sound Output Options

6.5 Screen Adjustment

The screen can be rotated up to 130 degrees to achieve the best viewing angle for passengers.

Image showing the 130 degree rotatable angle of the monitor for comfortable viewing

Image 6.4: 130 Degree Rotatable Screen

6.6 Door Control Light Function

If connected to your vehicle's door control wires, the blue atmospheric LED lights will automatically turn on when a door is opened and turn off when all doors are closed. This replaces your existing roof light function.

Image demonstrating the positive and negative door control feature, showing LED lights turning on when the door is open and off when closed

Image 6.5: Door Control LED Lights

6.7 Touch Panel Controls

The sleek touch panel provides easy access to common functions:

  • Power Button: Turns the unit on/off.
  • Source Button: Cycles through input sources.
  • Volume Up/Down: Adjusts the audio volume.
  • Play/Pause: Controls media playback.
  • Next/Previous: Skips tracks or navigates menus.
Close-up image of the slim and elegant touch panel on the XTRONS CM173HD monitor

Image 6.6: Touch Panel Controls

6.8 Remote Control

The included remote control provides full functionality for operating the monitor from a distance, including power, source selection, volume, playback controls, and menu navigation.

6.9 Screen Mirroring (Optional)

To mirror your smartphone screen (Android or iOS) to the monitor, an optional XTRONS HDT V05 accessory is required. Connect the accessory to the monitor's HDMI input and follow the accessory's instructions for wireless connection.

Image showing wireless screen mirroring from Android and iOS phones to the XTRONS monitor, with an optional dongle

Image 6.7: Wireless Screen Mirroring Setup

7. Maintenance

  • Cleaning the Screen: Use a soft, lint-free cloth to gently wipe the screen. For stubborn marks, slightly dampen the cloth with water or a screen-safe cleaning solution. Avoid spraying liquids directly onto the screen.
  • Cleaning the Unit Body: Wipe the exterior of the unit with a soft, dry cloth. Do not use harsh chemicals, solvents, or abrasive cleaners.
  • Dust Removal: Regularly remove dust from the unit's vents and surfaces to ensure proper heat dissipation.
  • Avoid Impact: Protect the screen and unit from physical impact to prevent damage.

8. Troubleshooting

ProblemPossible CauseSolution
No powerLoose power connection; Blown fuse; Vehicle battery low.Check power cables and connections; Inspect and replace fuse if necessary; Check vehicle battery.
No image/signalIncorrect source selected; Loose video cable connection; External device not powered on or malfunctioning.Select the correct input source; Check all video cable connections; Ensure external device is working correctly.
No soundVolume too low or muted; Incorrect audio output selected; Loose audio cable connection.Increase volume and check mute status; Select desired audio output (speakers, FM, IR); Check audio cable connections.
USB/SD card not readingUnsupported file format; Incorrect file system (not FAT32); Card capacity exceeds 32GB; Corrupted media.Ensure media files are supported; Format USB/SD card to FAT32; Use a card with capacity 32GB or less; Try a different USB/SD card.
Remote control not workingDead batteries; Obstruction between remote and unit; Remote sensor blocked.Replace batteries; Remove any obstructions; Ensure remote sensor on unit is clear.

9. Specifications

FeatureSpecification
BrandXTRONS
ModelCM173HD
Screen Size17.3 Inches
Display TypeLED
Resolution1920 x 1080 (Full HD)
Aspect Ratio16:9
Input PortsHDMI, USB, SD, Dual AV Input
Audio OutputBuilt-in Speakers, FM Transmitter, IR Transmitter
Screen RotationUp to 130 degrees
Power Supply12V DC
Item Weight9.9 pounds (approx. 4.5 kg)
Product Dimensions17.91 x 12.99 x 1.77 inches (455 x 330 x 45 mm)
Diagram showing the dimensions of the XTRONS CM173HD monitor: 455mm width, 330mm depth, 25mm thickness when closed, 20mm screen thickness, 260mm screen height, 410mm screen width

Image 9.1: Product Dimensions

10. Warranty and Support

XTRONS products typically come with a manufacturer's warranty. For specific warranty details, please refer to the warranty card included with your product or visit the official XTRONS website. For technical support, troubleshooting assistance, or any product-related inquiries, please contact XTRONS customer service.

You can often find contact information or a support portal on the XTRONS official website:

Alternatively, if purchased through a retailer like Amazon, you can contact the seller directly through the platform's messaging system.

Screenshot showing how to contact XTRONS support via Amazon's 'Ask a question' feature

Image 10.1: How to Contact XTRONS Support