Hama 121770
Hama HDMI™ 3 Port Remote Control Switch User Manual
Model: 121770
Introduction
This manual provides essential information for the safe and efficient operation of your Hama HDMI™ 3 Port Remote Control Switch. Please read these instructions thoroughly before first use and keep them for future reference.
The Hama HDMI™ 3 Port Remote Control Switch allows you to connect up to three HDMI playback devices to a single HDMI display device, such as a TV, monitor, or projector, and switch between them conveniently using the included remote control.
Safety Instructions
- Do not open the device or continue to operate it if it becomes damaged.
- Do not use the product in damp environments and avoid splashes.
- Protect the product from dirt, moisture, and overheating.
- Only use the product for its intended purpose.
- Keep this product, as all electrical products, out of the reach of children!
- Do not drop the product and do not expose it to any major shocks.
- Dispose of packaging material immediately according to locally applicable regulations.
Package Contents
- Hama HDMI™ 3 Port Remote Control Switch
- Remote Control
- User Manual
- Power Adapter (if included, some models may draw power from HDMI source)

Image: The Hama HDMI 3 Port Remote Control Switch unit shown with its accompanying remote control.
Setup
- Connect Input Devices: Connect up to three HDMI playback devices (e.g., Blu-ray player, DVD player, TV receiver, computer, tablet PC, PlayStation, Xbox) to the HDMI INPUT 1, INPUT 2, and INPUT 3 ports on the switch using HDMI cables.

Image: Multiple HDMI cables connected to the input ports of the HDMI switch, with the remote control visible.
- Connect Output Device: Connect the HDMI OUTPUT port of the switch to your display device (e.g., TV, monitor, projector) using an HDMI cable.

Image: A rear view of the HDMI switch, illustrating the HDMI input and output ports with connected cables, and the DC 5V power input.
- Power Connection: Connect the provided power adapter (if applicable) to the DC 5V port on the switch and then to a power outlet. Some models may draw power directly from the HDMI source.
- Power On: Ensure all connected devices (source devices, switch, and display device) are powered on.

Image: The HDMI switch positioned near a television and other media devices, demonstrating a typical setup.
Operating
Switching Inputs:
- Using the Remote Control: Press the corresponding number button (1, 2, or 3) on the remote control to select the desired HDMI input.
- Using the Manual Switch Button: Press the "SWITCH" button on the front of the device to cycle through the available HDMI inputs (Input 1 -> Input 2 -> Input 3 -> Input 1).

Image: A close-up of the front panel of the HDMI switch, highlighting the power, switch, and input indicator lights.
Supported Resolutions and Formats:
The switch supports various resolutions and video formats, including:
- Resolutions: 1080p/1080i/720p/576p/576i/480p/480i at 50/60Hz
- Video Formats: 12-bit full HD video, 3D video, and 4K x 2K at 30/60Hz Ultra HD
Maintenance
- Only clean this product with a slightly damp, lint-free cloth and do not use aggressive cleaning agents.
- Ensure that no water gets into the product.
Troubleshooting
No Signal / Poor Picture Quality:
- Ensure all HDMI cables are securely connected to both the source devices, the switch, and the display.
- Verify that the correct input is selected on the HDMI switch and on your display device.
- Try using different HDMI cables, as faulty cables can cause signal issues.
- Ensure the switch is receiving adequate power. If an external power adapter is used, ensure it is properly connected.
- Test the source device by connecting it directly to the display device to rule out issues with the source or display.
Remote Control Not Working:
- Check the battery in the remote control and replace it if necessary (1 Lithium Metal battery required).
- Ensure there are no obstructions between the remote control and the IR receiver on the switch.
- Point the remote control directly at the IR receiver on the switch.
Specifications
| Feature | Detail |
|---|---|
| Product Dimensions | 3.54 x 2.76 x 9.06 inches |
| Item Weight | 11.6 ounces |
| Model Number | 121770 |
| Manufacturer | Hama |
| Connector Type | HDMI |
| Compatible Devices | Projector, Monitor, Television, DVD Player, Personal Computer, Tablet, Blu-Ray Player |
| Supported Resolutions | 1080p/1080i/720p/576p/576i/480p/480i 50/60Hz |
| Supported Video Formats | 12-bit full HD video, 3D video, 4k x 2k 30/60Hz Ultra HD |
| Batteries (Remote) | 1 Lithium Metal battery required |
Warranty and Support
For warranty information or technical support, please refer to the official Hama website or contact their customer service directly. Keep your purchase receipt as proof of purchase.
Note: Specific warranty terms may vary by region.
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