HD9084 HDTV Caption Encoder Manual
TROUBLESHOOTING
CHAPTER 6: CONFIGURATION AND TROUBLESHOOTING
TABLE OF CONTENTS
6. CONFIGURATION AND TROUBLESHOOTING ........................................ 6-1
6.1. Typical Configuration Examples ........................................................................................... 6-1
6.2. Parallel GPI/O Port Example Applications ............................................................................ 6-2
6.2.1. Automatic Upstream Caption Source Selection (defaults to HD-SDI) ................................. 6-2
6.2.2. Automatic Upstream Caption Source Selection (defaults to SD-SDI) ................................. 6-2
6.2.3. Disabling Teleprompter On Either Modem Or Telnet Connection ....................................... 6-3
6.3. Answers to frequently asked questions ................................................................................ 6-4
6.3.1. Can the HD9084 correct “illegal” captions? ........................................................................ 6-4
6.3.2. Which Serial Port Should I Connect To? ............................................................................ 6-4
6.3.3. There is No SD-SDI Video Present on the SD-SDI Output ................................................. 6-4
6.3.4. There is No HD-SDI Video Present on the HD-SDI Output ................................................ 6-5
6.3.5. How Do I Check if Captions are Being Processed? ........................................................... 6-5
6.3.5.1. Control-A Protocol Test Using a Terminal Program .................................................... 6-5
6.3.5.2. Composite Monitoring Output Check .......................................................................... 6-6
6.3.6. There are No Captions Present Out of the ATSC Encoder ................................................ 6-6
6.3.7. What Baud Rate and Port Settings Should I Use? ............................................................. 6-7
6.3.8. How Do I Check the Logic Levels and Pinouts of the Serial Ports? .................................... 6-7
6.3.9. How Do I Check the Status of My Power Supplies? ........................................................... 6-7
6.3.10. Captions are not Being Encoded at All ........................................................................... 6-7
6.3.11. Captions are not Being Encoded Correctly ..................................................................... 6-8
6.3.12. How Can I Block Upstream Captions? ........................................................................... 6-8
6.3.13. How Can I Pass Upstream Captions? ............................................................................
6-8
6.
3.14. When Should I Use “Reset to Factory Defaults?” ........................................................... 6-8
6.3.15. My Modem Connection Hangs-Up Unexpectedly ........................................................... 6-9
6.4. Before you Call Evertz Technical Support ............................................................................ 6-9