MTD 110-302R000 User Manual

TV & SAT Level Meter User´s manualMTD 120Ref. 4202(Color)Ref. 4207 (B/N)--(Bit Error Rate)BER

111ENGLISHTV & SAT Level Meter MTD 120 User Manual3.- INSTALLATION3.1.- Power SupplyThe MTD 120 is a portable instrument powered by two 6 V -

4.- OPERATING INSTRUCTIONS4.1.- Description of the Controls and ElementsFigure 1.- Front panel.[1]On / Off key. This turns on the instrument, and t

113ENGLISHTV & SAT Level Meter MTD 120 User ManualSystem & Standard Selects the colour system (PAL, SECAM or NTSC) and the TV standard (B/G,

114TV & SAT Level Meter MTD 120 User Manual[6] Tuning control and moving between the various on-screen menus. Tuning purposes: when pressing k

115ENGLISHTV & SAT Level Meter MTD 120 User Manual[28] FADirect access key which can be assigned to any function on any menu.Key number 8 to ent

116TV & SAT Level Meter MTD 120 User Manual4.2.- Adjustment of Volume and Monitor ParametersRepeatedly pressing key SCREEN [3] sequentially act

117ENGLISHTV & SAT Level Meter MTD 120 User Manual4.8.- External Units Power Supply (EXT. SUPPLY)The MTD 120 can supply the voltage needed to p

118TV & SAT Level Meter MTD 120 User Manual4.9.- TV Operating Mode4.9.1.- Selecting the Measurement Mode (MEASURE)The types of measurements av

119ENGLISHTV & SAT Level Meter MTD 120 User Manual4.9.1.1.- Measuring the Video Carrier Level (Level)If you select the Level measurement mode,

The operation modes available are:TV: Monitor operating as a conventional television set.TV+LV: Monitor operating as a conventional television set,

103ENGLISHTV & SAT Level Meter MTD 120 User ManualINDEX ...

121ENGLISHTV & SAT Level Meter MTD 120 User Manual4.9.1.3.- Measuring the Carrier / Noise Ratio (C/N)The MTD 120 offers two ways to make this m

122TV & SAT Level Meter MTD 120 User Manual4.9.1.4.- Measuring the Power of Digital Channels (Channel power)The MTD 120 offers two different me

123ENGLISHTV & SAT Level Meter MTD 120 User Manual4.9.2.- TV Mode Functions MenuIn TV operation mode, press key ENTER [5] to access the functio

Table 2.- Selectable terrestrial analogue standards and their characteristics.4.9.2.3.- Batteries and External Units Power Supply (Battery & Lnb)

125ENGLISHTV & SAT Level Meter MTD 120 User ManualFigure 13.- DATALOGGER screen.As you can see in the previous figure, the main screen of the Dat

press key ENTER [5]. This will lead to a screen like the one shown below:Figure 15.- Defining the starting time of measurement acquisition.The first lin

127ENGLISHTV & SAT Level Meter MTD 120 User Manual4.9.2.4.2.- Selecting the Measurements to be TakenOnce the Data logger function has been confi

Measuring signal level fluctuation at a pickup (acquisition over a time period)1. Define the acquisition time interval Measure interval (1 h for example

129ENGLISHTV & SAT Level Meter MTD 120 User Manual4.9.2.10.- C/N setupTo measure C/N the MTD 120 offers two different modes in TV mode:C/N (Aut

130TV & SAT Level Meter MTD 120 User ManualThe Teletext function is especially valuable for the final optimization process in TV installations. A

4.9.2.15.- Search Level ... 1294.9.2.16.-

131ENGLISHTV & SAT Level Meter MTD 120 User ManualTabla 3.- DiSEqC commands.4.9.2.18.- BeepThis function allows the user to switch the audible

4.10.- Spectrum Analyser Operating ModeThe Spectrum Analyser mode allows the user to discover the signals present in the frequency band in quickly an

133ENGLISHTV & SAT Level Meter MTD 120 User Manual4.10.1.1.- Band SwitchingPermits to swicth from terrestrial (5-862 MHz) to satellite band (92

134TV & SAT Level Meter MTD 120 User Manual4.10.1.6.- Reference Noise(Only in C/N measurements). Permits to define the frequency where noise lev

135ENGLISHTV & SAT Level Meter MTD 120 User Manual4.10.2.- Selecting the Measurement ModeThe Spectrum Analyser mode permits to make different m

Figure 20.- Carrier to Noise measurement in Spectrum mode (digital channel).To define the frequency to measure the noise, select the Reference noise fu

137ENGLISHTV & SAT Level Meter MTD 120 User ManualIMPORTANT REMARKTo measure digital channels power correctly it is indispensable to tune channe

the error rate is below 1 e-5.4.12.- Measurement Configuration MemoriesTo facilitate measurement, the MTD 120 is able to store up to 99 configurations

139ENGLISHTV & SAT Level Meter MTD 120 User Manual4.13.- Direct Access to FunctionsKeys FA [28] and FB [29] give direct access to any of the fu

4.14.1.- Handshake and Control LinesNext is described the handshake and control lines used by the MTD 120:- The following parameters are used for pri

105ENGLISHTV & SAT Level Meter MTD 120 User Manual1.- GENERAL1.1.- DescriptionThe result of uniting long experience in the design of TV signal

141ENGLISHTV & SAT Level Meter MTD 120 User Manual5.- BER MEASUREMENT OF QPSK & QAM MODULATED SIGNALS5.1.- DescriptionBy means of the opti

First of all it is shown the BER before FEC (Forward Error Correction).In a digital reception system for cable signals, after the QAM decoder an error

143ENGLISHTV & SAT Level Meter MTD 120 User Manual5.4.- QPSK modulationBefore to measure the BER it is necessary to define some parameters conce

The BER measurement is provided in scientific notation (i.e. 2.0 E-3 means 2.0x10-3, that is to say two incorrect bits of every 1,000) andthrough an an

145ENGLISHTV & SAT Level Meter MTD 120 User Manual5.5.- COFDM modulationBefore to measure the BER it is necessary to define some parameters conc

Figure 31.- COFDM reception system.The BER measurement is provided in scientific notation (i.e. 3.1 E-7 means 3.1x10-7, that is to say 3.1 wrong bits o

147ENGLISHTV & SAT Level Meter MTD 120 User ManualTPS in lockThe TPS (Transmission Parameter Signalling) are decoded. The TPS are carriers (17 i

5.6.- DVB Channels Identifier: DCI functionThis function permits to identify DVB channels with no need to have a digital signal decoder which permits

149ENGLISHTV & SAT Level Meter MTD 120 User Manual6.- DESCRIPTION OF THE INPUTS AND OUTPUTS6.1.- RF inputThe RF input is through the RF [35]

6.3.- Scart (DIN EN 50049)Figure 35.- Scart socket (external view).Also known as PERITEL connector (in conformity with standard NF-C92250). The signa

1.2.- Specifications TUNING Digital frequency synthesis. Continuous tuning from 5 to 862 MHz and from 920 to 2150 MHzTuning modes Frequency, Channel

151ENGLISHTV & SAT Level Meter MTD 120 User Manual7.- MAINTENANCE 7.1.- Considerations about the Screen (only ref. 4202)This paragraph offers

IMPORTANTThe maximum period of time that the instrument can remain disconnected from the batteries before loosing measurementconfigurations and stored

ESPAÑOLFRANÇAISENGLISHCh. Freq.2 48,25 3 55,25 4 62,25 S01 105,25 S02 112,25 S03 119,25 S04 126,25 S05 133,25 S06 140,25 S07 147,25 S08 154,25 S09 161

MTD 120154ASTRA-HLASTRA-VLASTRA-HHASTRA-VHCh. Freq.49 10714,25 51 10743,75 53 10773,25 55 10802,75 57 10832,25 Ch. Freq.59 10861,75 61 10891,25

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107ENGLISHTV & SAT Level Meter MTD 120 User ManualDCI FUNCTION DVB Channel Identifier. It provides information about the channel we are making t

MONITOR DISPLAYMonitor LCD colour 4 inches (ref. 4202)Black & White 4 1/2 inches (ref. 4207)Colour system PAL, SECAM and NTSCTV standard M, N, B,

109ENGLISHTV & SAT Level Meter MTD 120 User ManualMECHANICAL FEATURESDimensions 280 (W) x 95 (H) x 250 (D) mmWeight 5,2 kgINCLUDED ACCESSORIESRe

2.- SAFETY RULES * Use this equipment connected only to systems with their negative of measurement connected to ground potential.* The external DC a