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SUMAVISION TECHNOLOGIES EMR3B - Page 5

SUMAVISION TECHNOLOGIES EMR3B
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SUMAVISION EMR Operation Introduction
6.1 OUTPUT SETTINGS .................................................................................................................. 43
CHAPTER 7 FAULT ANALYSIS AND TROUBLESHOOTING .............................................. 44
7.1 ALARM INFORMATION ............................................................................................................ 44
7.1.1 LCD does not display after powering on ........................................................................... 44
7.1.2 ASI 5-channel input card fails to refresh any input signals. .............................................. 45
7.1.3 ASI 4-channel output card fails to output the decoding normally ..................................... 45
7.1.4 6-adjacent-frequncy QAM modulation card output can’t be received by STB. .................. 46
7.1.5 The main Gigabit card inputs no system bit rate. .............................................................. 46
7.1.6 The main Gigabit card outputs abnormally ....................................................................... 46
CHAPTER 8 MAINTENANCE .................................................................................................... 47
8.1 MAINTENANCE METHOD ......................................................................................................... 47
8.2 MAINTENANCE DETAILS ......................................................................................................... 47
8.3 ROUTINE MAINTENANCE ......................................................................................................... 48
8.4 MONTHLY MAINTENANCE ....................................................................................................... 48
8.5 QUARTERLY MAINTENANCE ................................................................................................... 49
8.6 ANNUAL MAINTENANCE ......................................................................................................... 49
8.7 CLEAN-UP AND MAINTENANCE ............................................................................................... 49
8.8 OPERATION AND MAINTENANCE ............................................................................................. 50
ANNEX A .............................................................................................................................................. 51

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