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4.9.2.15.- Search Level ..............................................................................................................
129
4.9.2.16.- Teletext ......................................................................................................................
129
4.9.2.17.- DiSEqC Command Generator ...................................................................................
130
4.9.2.18.- Beep ...........................................................................................................................
131
4.9.2.19.- Equipment Information ...............................................................................................
131
4.9.2.20.- Exit .............................................................................................................................
131
4.10.- Spectrum Analyser Operating Mode ...........................................................................................
132
4.10.1.- Spectrum Analyser Mode Functions Menu ........................................................................
132
4.10.1.1.- Band Switching ...........................................................................................................
133
4.10.1.2.- Span ...........................................................................................................................
133
4.10.1.3.- Reference Level .........................................................................................................
133
4.10.1.4.- Dual Marker/Single Marker ........................................................................................
133
4.10.1.5.- Sweep ........................................................................................................................
133
4.10.1.6.- Reference Noise ........................................................................................................
134
4.10.1.7.- Channel Bandwidth ....................................................................................................
134
4.10.1.8.- Marker ........................................................................................................................
134
4.10.1.9.- Carrier ........................................................................................................................
134
4.10.1.10.- Bandwidth of the Spectrum Measuring Filter (Measure bandwidth) ........................
134
4.10.1.11.- Selecting the Channels Table (Channel set) ...........................................................
134
4.10.1.12.- Batteries and External Units Power Supply (Battery & Lnb) ....................................
134
4.10.1.13.- Exit ...........................................................................................................................
134
4.10.2.- Selecting the Measurement Mode ......................................................................................
135
4.10.2.1.- Measuring Carrier Levels (Level) ...............................................................................
135
4.10.2.2.- Measuring the Carrier / Noise ratio (C/N Referenced) ..............................................
135
4.10.2.3.- Measuring the Power of Digital Channels (Channel Power) .....................................
136
4.11.- Selecting the Sound Mode (Sound) ............................................................................................
137
4.12.- Measurement Configuration Memories .......................................................................................
138
4.12.1.- Storing a Measurement Configuration (STORE) ................................................................
138
4.12.2.- Retrieving a Configuration (RECALL) ................................................................................
138
4.13.- Direct Access to Functions .........................................................................................................
139
4.14.- Printing Measurements and Memories ........................................................................................
139
4.14.1.- Handshake and Control Lines ............................................................................................
140
5.- BER MEASURES ...................................................................................................................................
141
5.1.- Description .....................................................................................................................................
141
5.2.- BER measurement mode selection ...............................................................................................
141
5.3.- QAM modulation ............................................................................................................................
141
5.4.- QPSK modulation ..........................................................................................................................
143
5.5.- COFDM modulation .......................................................................................................................
145
5.6.- DVB Channels Identifier ................................................................................................................
148
6.- DESCRIPTION OF THE INPUTS AND OUTPUTS ...............................................................................
149
6.1.- RF input .........................................................................................................................................
149
6.2.- RS-232C serial port .......................................................................................................................
149
6.3.- Scart (DIN EN 50049) ....................................................................................................................
150
7.- MAINTENANCE .....................................................................................................................................
151
7.1.- Considerations about the Screen ..................................................................................................
151
7.2.- Internal fuses which user cannot replace .....................................................................................
151
7.3.- Replacing the Batteries .................................................................................................................
151
7.4.- Cleaning Recommendations .........................................................................................................
152
APPENDIX A: Channel-Frequency Tables ..................................................................................................
153
104
TV & SAT Level Meter MTD 120
User Manual