Promax -10 Manual Del Usuario página 66

5 MAINTENANCE ..........................................................................................................41
5.1 Instructions for returning by mail ..........................................................................41
5.2 Method of maintenance ........................................................................................41
5.2.1 Cleaning the cover. ........................................................................................41
5.3 Components which user can not replace.............................................................41
5.3.1 Not replaceable fuses by user .......................................................................41
APPENDIXES ....................................................................................................................43
APPENDIX A.- MEASUREMENT OF THE VIDEO CARRIER LEVEL (C
-ANALOGUE CHANNELS- ..................................................................43
APPENDIX B.- MEASUREMENT OF THE ADJACENT CHANNEL LEVEL
-ANALOGUE CHANNELS- ..................................................................44
APPENDIX C.- MEASUREMENT OF THE VIDEO / AUDIO RATIO
-ANALOGUE CHANNELS- ..................................................................45
APPENDIX D.- CARRIER TO NOISE RATIO (C/N)
-ANALOGUE CHANNELS- ..................................................................46
APPENDIX E.- CARRIER / NOISE RATIO MEASUREMENT (C/N) ...........................47
APPENDIX F.- CARRIER TO NOISE RATIO FOR 64-QAM DIGITAL CHANNELS
(C/N). ....................................................................................................48
APPENDIX G.- MEASUREMENT OF THE MODULATION ERROR RATIO (MER)..49
APPENDIX H.- PRINCIPLE OF QAM MODULATION
THE CONSTELLATION DIAGRAM.....................................................51
APPENDIX I.- FREQUENCY OFFSET ADJUSTMENT FOR TUNING ANALOGUE
AND DIGITAL CHANNELS..................................................................53
USER'S MANUAL. PROMAX-10
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