1. Introduction
The StarMax MX-100R is an HDMI to ATSC/J.83B QAM Modulator designed to convert an HDMI video source into a digital RF signal for distribution over a coaxial cable network. This device allows you to broadcast 1080p/i HD video content from sources such as set-top boxes, DVD players, surveillance cameras, computers, or video streaming devices to multiple televisions via a standard coaxial infrastructure.
2. Safety Information
Please read and understand all safety instructions before operating this device. Failure to follow these instructions may result in electric shock, fire, or damage to the unit.
- Do not expose the unit to rain, moisture, or extreme temperatures.
- Ensure proper ventilation to prevent overheating.
- Use only the provided power adapter.
- Do not attempt to open or service the unit. Refer all servicing to qualified personnel.
- Keep the unit away from strong magnetic fields.
3. Package Contents
Verify that all items are present in the package:
- StarMax MX-100R Modulator Unit
- Power Adapter (DC 12V)
- HDMI Cable
- Coaxial Cable
- Mounting Brackets and Screws
- User Manual (this document)
4. Product Overview
The MX-100R features a compact design with essential ports and controls for easy operation.
4.1 Front Panel
The front panel includes a color LCD screen for menu navigation and configuration, along with control buttons and status indicators.
Image 4.1: Front view of the StarMax MX-100R Modulator, showing the LCD display, navigation buttons (Up, Down, Left, Right, Enter, ESC), and status/power indicator LEDs.
- LCD Screen: 2-inch color display for menu navigation and status information.
- Navigation Buttons: Up, Down, Left, Right for menu selection.
- ENTER Button: Confirms selections.
- ESC Button: Exits current menu or cancels an action.
- STATUS LED: Indicates operational status.
- PWR LED: Indicates power status.
4.2 Rear Panel
The rear panel provides the HDMI input and power connection.
Image 4.2: Rear view of the StarMax MX-100R Modulator, highlighting the HDMI IN port and the DC 12V power input.
- HDMI IN: Connect your HDMI video source here.
- DC 12V: Power input for the included power adapter.
4.3 Side Panel
The side panel features the RF input and output connections.
Image 4.3: Side view of the StarMax MX-100R Modulator, showing the RF IN and RF OUT coaxial ports.
- RF IN: (Optional) Connect existing antenna or cable TV signals to combine with the modulated HDMI video.
- RF OUT: Connect this port to your coaxial distribution network or directly to a TV.
5. Setup Instructions
Follow these steps to set up your StarMax MX-100R modulator.
5.1 Connection Diagram
Refer to the diagram below for a visual guide to connecting your devices.
Image 5.1: Connection diagram illustrating how to connect an HDMI source, optional RF input, and distribute the modulated signal to multiple HD TVs.
5.2 Physical Connections
- Connect HDMI Source: Use the provided HDMI cable to connect your video source (e.g., DVD player, set-top box) to the HDMI IN port on the rear of the MX-100R.
- Connect Optional RF Input: If you wish to combine the modulated HDMI signal with existing antenna or cable TV signals, connect your antenna or cable TV drop to the RF IN port on the side of the MX-100R using a coaxial cable. If not combining signals, leave this port disconnected.
- Connect RF Output: Connect the RF OUT port on the side of the MX-100R to your coaxial distribution network or directly to the antenna/cable input of your television(s) using a coaxial cable. A splitter may be required for multiple TVs.
- Connect Power: Plug the included DC 12V power adapter into the DC 12V port on the rear of the MX-100R, then plug the adapter into a power outlet. The unit will power on automatically.
6. Operating Instructions
Once connected, configure the modulator and scan for the new channel on your televisions.
6.1 Initial Configuration
- Power On: Ensure the MX-100R is powered on. The PWR LED should be illuminated.
- Navigate Menu: Use the Up/Down/Left/Right navigation buttons on the front panel to browse the menu options displayed on the LCD screen.
- Select Channel Number: From the main menu, navigate to the "Channel Plan" or "Channel Settings" option. Select a desired channel number for your modulated HDMI video. Ensure this channel is not already in use by other broadcasts in your area to avoid interference.
- Enter Channel Name (Optional): You may enter a custom name for the channel (e.g., "HDMI Source 1") for easier identification on your TVs.
- Confirm Settings: Press the ENTER button to save your configurations.
6.2 TV Channel Scan
After configuring the modulator, your televisions need to scan for the new digital channel.
- Access TV Menu: On each connected television, access the TV's menu using its remote control.
- Initiate Channel Scan: Navigate to the "Channel Setup," "Auto Program," or "Channel Scan" option. Select to perform a full digital channel scan (ATSC or QAM, depending on your region and setup).
- Locate Channel: Once the scan is complete, use your TV's channel up/down buttons or channel list to find the newly added channel with your HDMI video content.
7. Troubleshooting
If you encounter issues, refer to the following troubleshooting steps.
| Problem | Possible Cause | Solution |
|---|---|---|
| No signal on TV / TV cannot find channel |
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| Poor video quality (pixelation, choppy video) |
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| No audio or distorted audio |
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| Other channels disappear or experience interference |
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8. Specifications
| Feature | Specification |
|---|---|
| Model | MX-100R |
| Input | 1x HDMI |
| Output | 1x RF Coaxial (ATSC / J.83B QAM) |
| Video Resolution | Up to 1080p/i HD |
| Modulation Standard | ATSC / J.83B QAM |
| Power Supply | DC 12V |
| Product Dimensions | 11.5 x 6 x 3.5 inches (29.2 x 15.2 x 8.9 cm) |
| Item Weight | 2.03 pounds (0.92 kg) |
9. Maintenance
To ensure the longevity and optimal performance of your StarMax MX-100R modulator, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Do not use liquid cleaners or abrasive materials.
- Ventilation: Ensure that the ventilation openings are not blocked. Do not place the unit in an enclosed space without adequate airflow.
- Storage: If storing the unit for an extended period, disconnect it from power and store it in a cool, dry place.
10. Regulatory Information
This device complies with relevant regulatory standards.
Image 10.1: The rear panel of the StarMax MX-100R Modulator, displaying regulatory markings such as FCC and CE logos.
The FCC and CE markings indicate that this product complies with the applicable requirements for electronic devices.
11. Warranty and Support
For warranty information or technical assistance, please contact your retailer or the manufacturer directly. Keep your purchase receipt as proof of purchase.
