1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Soundstream VCM-138H 13.8-inch Overhead Video System. This ceiling-mount DVD entertainment system features a 13.8-inch LCD display, Mobile Link smartphone mirroring capability, and RGB ambient lighting. Please read this manual thoroughly before use to ensure proper function and safety.
2. Safety Information
- Professional Installation Recommended: Due to the complexity of vehicle electrical systems and mounting requirements, professional installation is highly recommended.
- Power Source: Connect the unit only to a 12V DC negative ground power supply. Incorrect wiring can cause damage or fire.
- Avoid Moisture: Do not expose the unit to rain or moisture to prevent fire or electric shock.
- Ventilation: Ensure adequate ventilation around the unit to prevent overheating. Do not block ventilation openings.
- Cleaning: Use a soft, dry cloth for cleaning. Avoid abrasive cleaners or solvents.
- Driving Safety: Do not operate the unit or view the screen in a way that distracts the driver from safe operation of the vehicle.
- Battery Handling: The remote control uses a Lithium Metal battery. Follow proper disposal guidelines.
3. Package Contents
Verify that all items are present in the package:
- Soundstream VCM-138H Overhead Video System
- Mounting Hardware
- Wiring Harness
- Remote Control (with battery)
- Interchangeable Color Skins (Beige, Black, Grey)
- User Manual (this document)
4. Setup & Installation
This section outlines the general steps for installing the VCM-138H unit. Professional installation is strongly recommended.
4.1 Mounting the Unit
The VCM-138H is designed for ceiling mount installation. Select a suitable location in your vehicle's ceiling that provides clear viewing for passengers and does not obstruct the driver's view or vehicle safety features.
- Carefully mark the mounting points on the vehicle's ceiling.
- Cut an opening for the wiring and mounting plate as per the provided template (if included).
- Secure the mounting plate to the vehicle's ceiling structure using the supplied hardware.
- Attach the VCM-138H unit to the mounting plate, ensuring all connections are made before final securing.

Figure 1: Soundstream VCM-138H unit in a ceiling-mounted configuration with the screen extended. This image shows the overall appearance of the unit when installed.
4.2 Wiring Connections
Connect the wiring harness according to the vehicle's electrical system and the unit's wiring diagram (typically found in a separate wiring guide or on the unit itself). Key connections include:
- Power (12V DC): Connect to a switched 12V power source and a reliable ground point.
- Accessory/Ignition: Connect to a switched ignition wire.
- A/V Input: For connecting external audio/video sources.
- IR Transmitter: For wireless headphone functionality.
- FM Transmitter: For audio output through the vehicle's FM radio.
4.3 Installing Color Skins
The VCM-138H includes interchangeable color skins (beige, black, grey) to match your vehicle's interior. Gently snap the desired color skin into place around the unit's housing.
5. Operating Instructions
This section details the primary functions and controls of your overhead video system.
5.1 Controls Overview

Figure 2: Close-up view of the control panel on the Soundstream VCM-138H unit. Buttons include power, play/pause, track skip, source selection, and dome light control.
The unit can be operated using the integrated control buttons on the rear panel or the included full-function remote control.
5.2 Basic Functions
- Power On/Off: Press the power button on the unit or remote to turn the system on or off.
- Screen Swivel: The screen can swivel 450 degrees horizontally and 450 degrees vertically for optimal viewing angles. Gently adjust the screen to the desired position.
- Source Selection: Use the 'Source' button on the unit or remote to cycle through available inputs (DVD, USB, SD, AV, Mobile Link).
- Volume Control: Adjust volume using the remote control.
5.3 Media Playback
- DVD/CD Playback: Insert a DVD or CD into the disc slot. Playback will typically begin automatically. Use the play/pause, stop, fast forward, rewind, and track skip buttons for control.
- USB/SD Playback: Insert a USB drive (up to 64GB) or SD card into the respective slot. The unit supports 1080P MP4 video playback. Navigate files using the remote control.
- A/V Input: Connect external devices (e.g., game consoles, other media players) to the A/V input ports. Select 'AV' as the source.
5.4 Mobile Link Smartphone Mirroring
The VCM-138H supports Mobile Link for smartphone mirroring. This feature requires an MHL HDMI Interface Cable (sold separately) to connect your smartphone to the unit. Once connected, select 'Mobile Link' as the source to display your smartphone's screen on the VCM-138H.
5.5 Audio Output Options
- Wireless IR Transmitter: The unit features a dual-channel 2.3/3.8Mhz wireless IR transmitter for use with compatible wireless IR headphones (e.g., Soundstream VHP-10, VHP-11).
- FM Stereo Transmitter: An 8-channel FM stereo transmitter allows you to broadcast the unit's audio through your vehicle's FM radio. Tune your car radio to an unused FM frequency and set the VCM-138H to the same frequency.
5.6 LED Dome Light
The bright white LED dome light can be activated manually via a button on the unit or remote, or it can be wired to trigger automatically with the vehicle's dome light circuit.

Figure 3: The 13.8-inch LCD screen of the Soundstream VCM-138H displaying the brand logo. This illustrates the visual output of the system.
6. Maintenance
Proper maintenance ensures the longevity and optimal performance of your VCM-138H system.
- Cleaning the Screen: Use a soft, lint-free cloth to gently wipe the LCD screen. For stubborn smudges, slightly dampen the cloth with water or a screen-safe cleaner. Do not spray cleaner directly onto the screen.
- Cleaning the Unit: Wipe the exterior of the unit with a soft, dry cloth. Avoid using harsh chemicals, solvents, or abrasive cleaners.
- Disc Care: Handle discs by their edges. Keep them clean and free of scratches. Store discs in their cases when not in use.
- Ventilation: Periodically check that the ventilation openings are clear of dust and debris to prevent overheating.
7. Troubleshooting
If you encounter issues with your VCM-138H, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power/Unit does not turn on. | Incorrect wiring; Blown fuse; Loose power connection. | Check all power and ground connections. Verify the vehicle's fuse for the unit. Consult a professional installer. |
| No picture/sound. | Incorrect source selected; Loose A/V cables; Disc error; USB/SD format issue. | Ensure the correct input source is selected. Check A/V cable connections. Try a different disc/USB/SD card. Verify media format compatibility (e.g., 1080P MP4 for USB/SD). |
| Remote control not working. | Dead battery; Obstruction; Remote sensor blocked. | Replace the remote control battery. Ensure there is a clear line of sight between the remote and the unit's IR sensor. |
| Dome light malfunctions (e.g., turns on randomly, doesn't respond). | Wiring issue; Sensor interference; Internal fault. | Check the wiring for the dome light trigger. Ensure no objects are interfering with any light sensors. If the issue persists, professional inspection may be required. |
| Poor FM transmitter audio quality. | Interference; Incorrect frequency. | Try a different, unused FM frequency. Ensure the unit and car radio are tuned to the exact same frequency. |
8. Specifications
| Model Number | VCM-138H |
| Screen Size | 13.8 Inches |
| Display Type | LCD |
| Display Resolution | 1366 x 768 (16:9 Widescreen) |
| Screen Brightness | 400 NIT |
| Product Dimensions (W x D x H) | 16.5" x 13.25" x 2.25" (41.91 x 33.66 x 5.72 cm) |
| Item Weight | 2 pounds (0.91 kg) |
| Connectivity Technologies | Auxiliary, HDMI (for Mobile Link), IR, USB |
| Media Type Support | DVD-R/RW, CD, 64GB SD Card, 64GB USB (1080P MP4) |
| Wireless IR Transmitter | Dual Channel 2.3/3.8Mhz |
| FM Stereo Transmitter | 8-channel |
| Batteries | 1 Lithium Metal battery (included for remote) |
| Manufacturer | Soundstream |
9. Warranty & Support
9.1 Warranty Information
Specific warranty details for the Soundstream VCM-138H are typically provided with your purchase documentation or can be found on the official Soundstream website. Please retain your proof of purchase for warranty claims. Warranty coverage usually applies to manufacturing defects and does not cover damage caused by improper installation, misuse, or accidents.
9.2 Customer Support
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact Soundstream customer support. Visit the official Soundstream website for the most current contact information, including phone numbers, email addresses, and support resources.
Note: Always refer to the manufacturer's official resources for the most accurate and up-to-date information.





