1. Introduction
The Zenith DTT900 Digital TV Tuner Converter Box allows you to receive digital television broadcasts on your analog television set. This device converts over-the-air digital signals (ATSC) into an analog format (NTSC) that older televisions can display, providing access to digital channels and improved picture quality without a subscription. This manual provides essential information for setting up, operating, and maintaining your converter box.
2. Package Contents
Before you begin, please ensure all items are present in the package:
- Zenith DTT900 Digital TV Tuner Converter Box
- Remote Control (with batteries)
- RF Cable
- Audio/Video Cables (RCA type)
- Setup Guide
Note: An antenna is NOT included and must be purchased separately to receive digital broadcasts.
Figure 2.1: Zenith DTT900 Converter Box, remote control, and included cables.
3. Setup
3.1 Connecting the Converter Box
Follow these steps to connect your Zenith DTT900 to your television:
- Connect the Antenna: Connect your outdoor or indoor antenna to the ANT IN port on the back of the converter box.
- Connect to TV (Option 1 - RF Cable): If your TV has an RF input (coaxial), connect one end of the RF cable to the ANT OUT port on the converter box and the other end to the ANT IN or CABLE IN port on your TV. Tune your TV to Channel 3 or 4.
- Connect to TV (Option 2 - Audio/Video Cables): If your TV has RCA (yellow, white, red) input jacks, connect the yellow video cable to the VIDEO output on the converter box and the yellow video input on your TV. Connect the white audio cable to the L-AUDIO output on the converter box and the white audio input on your TV. Connect the red audio cable to the R-AUDIO output on the converter box and the red audio input on your TV. Select the corresponding A/V input on your TV.
- Power On: Plug the power adapter into the converter box and then into a wall outlet. Turn on your television and the converter box.
Figure 3.1: Rear view of the Zenith DTT900 showing connection ports.
3.2 Initial Channel Scan
After connecting the converter box, you need to scan for available digital channels:
- Press the MENU button on the remote control.
- Navigate to the 'Channel Search' or 'Auto Scan' option using the arrow buttons.
- Select 'Start Scan' or 'Auto Search' and press OK.
- The converter box will now search for all available digital channels. This process may take several minutes. Do not turn off the device during the scan.
- Once the scan is complete, the channels will be saved, and you can begin watching digital TV.
4. Operating Instructions
4.1 Basic Operation
- Power On/Off: Press the POWER button on the remote control or the front panel of the converter box.
- Channel Selection: Use the CH+/- buttons to change channels sequentially, or enter the channel number directly using the numeric keypad.
- Volume Control: Use the VOL+/- buttons to adjust the volume.
- Mute: Press the MUTE button to temporarily silence the audio.
4.2 Remote Control Functions
The remote control provides full functionality for your DTT900 converter box. Familiarize yourself with the buttons for menu navigation, channel selection, volume control, and other features.
Figure 4.1: Zenith DTT900 remote control.
5. Maintenance
To ensure the longevity and optimal performance of your Zenith DTT900 converter box, follow these maintenance guidelines:
- Cleaning: Use a soft, dry cloth to clean the exterior of the converter box. Do not use liquid cleaners or aerosol sprays, as they may damage the device.
- Ventilation: Ensure the converter box is placed in a well-ventilated area. Do not block any ventilation openings on the device.
- Power: Disconnect the power cord from the wall outlet during lightning storms or when the device is left unattended for long periods.
- Storage: Store the converter box in a cool, dry place away from direct sunlight and extreme temperatures.
6. Troubleshooting
If you encounter issues with your Zenith DTT900, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No picture or sound | Incorrect TV input selected, loose cable connections, converter box not powered on. | Verify TV input (e.g., AV1, Channel 3/4). Check all cable connections. Ensure converter box is plugged in and powered on. |
| Poor picture quality or missing channels | Weak antenna signal, antenna not positioned correctly, incomplete channel scan. | Adjust antenna position. Perform a new channel scan (refer to Section 3.2). Consider a stronger antenna or signal amplifier. |
| Remote control not working | Dead batteries, obstruction between remote and converter box, remote not pointed correctly. | Replace batteries. Remove any obstructions. Point the remote directly at the converter box's IR sensor. |
| Audio out of sync | Temporary signal issue. | Restart the converter box by unplugging it for 30 seconds and plugging it back in. |
7. Specifications
Key technical specifications for the Zenith DTT900 Digital TV Tuner Converter Box:
- Brand Name: Zenith
- Item Weight: 2.3 pounds
- Product Dimensions: 12.8 x 9.9 x 2.8 inches
- Item Model Number: DTT900
- Batteries: 2 AA batteries required (for remote)
- Color: Black
- Compatible Devices: Television
- Connector Type: RF Connector
- Connectivity Technology: Powerline
Figure 7.1: Product label displaying model and compliance information.
8. Warranty and Support
8.1 Warranty Information
This product is covered by a limited manufacturer's warranty. Please refer to the included Basic Warranty Statement in your package for specific terms, conditions, and duration of coverage. Keep your proof of purchase for warranty claims.
8.2 Customer Support
For technical assistance, troubleshooting, or general inquiries, please contact Zenith customer support. Contact information can typically be found in the included Setup Guide or on the official Zenith website.