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Summary of Contents for Terra MHD101
- Page 1 1 x HDMI to DVB-T (COFDM) "Home" modulator MHD101 Operation Manual MHD101 manual v1.3...
- Page 2 1. IMPORTANT SAFETY PRECAUTIONS INFORMATION READ THE FOLLOWING WARNINGS BEFORE YOU USE YOUR DEVICE To avoid electric shock and prevent fire follow instructions: ● Operate the unit only within mains voltage range defined on external power supply. ● To disconnect the modulator from the mains completely, disconnect external power supply from the mains socket. ●...
- Page 3 3.2.1 Auto-reset functions and watchdog During the normal operation of the MHD101, the main CPU monitors all the internal parts in order to ensure that the device works normally. In case of an internal error or module failure, the MHD101 immediately initiates the recovery procedure by resetting the appropriate module or the device.
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Page 4: Block Diagram
3.3 BLOCK DIAGRAM 3.4 FRONT PANEL Lock Channel Channel/ Profile Attenuator Profile DVB-T Full HD Modulator MHD101 MPEG-4 encoder AVC/H.264 Output freq. range 174-862 MHz Output level 90 dBμV max RF OUT HDMI 0.34 Amax Figure 1. Front panel operating controls 1. -
Page 5: Installation
As a result, all the above modulators have different values in the above fields. Caution!!! ● Every time we choose a different Profile number, the MHD101 will apply a full reset to itself that will last for 20-30 seconds. ● Using the USB interface, someone has the ability to add custom values to the above fields. -
Page 6: Technical Specifications
4. TECHNICAL SPECIFICATIONS Input Type: 1 x HDMI Connector: 1 x HDMI Type A Video coding: MPEG-4 AVC/H.264 Profile: High profile 4.0 Resolution: 1920x1080-30p for HDMI Audio: HDMI & Mono/Stereo Standard: MPEG-1 Layer II Audio Bit Rate: 64, 96, 128, 192, 256, 320, 384 kbps Level: 0.5 Vpp to 1.0 Vpp adjustable H.264 Encoder... -
Page 7: Limited Warranty
3. In case Windows cannot install the USB drivers automatically, when prompt, insert the correct path of the CD folder named “USB drivers”, which contains the MHD101 USB drivers. 4. Once Windows have successfully installed the USB drivers of the MHD101, a pop-up message appears to verify this process. - Page 8 Software guidelines 1. From the “ComPort” combo box choose the correct USB port that connects the MHD101 and press “Connect”. 2. Once the software has successfully connected with the device, it will automatically download all the settings of the MHD101.
- Page 9 Status - Depicts the status of the modulator (Idle or Running) FW Version - Depicts the firmware version of the uP SW Version - Depicts the software version of the TERRA GUI HW Version - Depicts the hardware version of the MHD101...
- Page 10 APPENDIX B DVB-T bitrates (Mbit/s) for 8 MHz bandwidth (non-hierarchical systems). Modulation Coding Guard Interval Rate 1/16 1/32 QPSK 4.976 5.529 5.855 6.032 6.635 7.373 7.806 8.043 7.465 8.294 8.782 9.048 8.294 9.216 9.758 10.053 8.709 9.676 10.246 10.556 16-QAM 9.953 11.059 11.709...
- Page 11 DVB-T bitrates (Mbit/s) for 7 MHz bandwidth (non-hierarchical systems). Modulation Coding Guard Interval Rate 1/16 1/32 QPSK 4.354 4.838 5.123 5.278 5.806 6.451 6.830 7.037 6.532 7.257 7.684 7.917 7.257 8.064 8.538 8.797 7.620 8.467 8.965 9.237 16-QAM 8.709 9.676 10.246 10.556 11.612...
- Page 12 DVB-T bitrates (Mbit/s) for 6 MHz bandwidth (non-hierarchical systems). Modulation Coding Guard Interval Rate 1/16 1/32 QPSK 3.732 4.147 4.391 4.524 4.976 5.529 5.855 6.032 5.599 6.221 6.587 6.786 6.221 6.912 7.318 7.540 6.532 7.257 7.684 7.917 16-QAM 7.465 8.294 8.782 9.048 9.953...
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