MC-377 INSTRUCTION MANUALLEVEL METER FOR ANALOGUE ANDDIGITAL TVMC-3771 GENERAL1.1 DescriptionThe MC-377 is a compact, light-weight, portable instrumen
MC-377 INSTRUCTION MANUAL3.1.1 Selecting the mains operating voltage This equipment requires a mains power source of 110-125-220 or 230/240 V AC50 to
MC-377 INSTRUCTION MANUAL3.2 Operating on the batteryThe MC-377 is a portable device powered by a 12 volt internal battery. Before takingany measureme
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MC-377 INSTRUCTION MANUAL4 OPERATING INSTRUCTIONS4.1 Description of the controls and elementsFront panelFigure 2.- Front panel.[1]MONITOR[2]Noise Limi
MC-377 INSTRUCTION MANUAL[5]MON./SPEC Operating mode selector:Pressed key (MON.): Monitor Mode. The monitor [1] shows the demodulated TVsignal corres
MC-377 INSTRUCTION MANUAL[19]SATSatellite IF RF input and external unit powering (LNB) 0/13/18 V + 22 kHz.[20]DRAINLuminous indicator showing the exte
MC-377 INSTRUCTION MANUAL[27]Audio control and activation of the measurement information over theimage: Pressed control: Selects television sound demo
MC-377 INSTRUCTION MANUAL4.2 Using the level meter4.2.1 Start-upPress the I/O control [3]. The frequency counter display [22] will show the tunedfrequ
MC-377 INSTRUCTION MANUAL4.2.3 Spectrum Analyser operating modeThe Spectrum Analyser operating mode enables you to be easily and quickly informedon th
MC-377 INSTRUCTION MANUALIn the complete band Spectrum Analyser mode (MAX, with the SPAN/MAX key [6]released) a white horizontal line will appear on t
MC-377 INSTRUCTION MANUAL1.2 Specifications TUNINGVHFLOW VHF band (VLO) from 48.25 to 168.25 MHzHIGH VHF band (VHI) from 175,25 to 447.25 MHzUHFUHF ba
MC-377 INSTRUCTION MANUAL4.2.4 Monitor operating modeIn the Monitor operating mode the MC-377 works like a conventional television. Inaddition, when t
MC-377 INSTRUCTION MANUAL4.2.5.1 Measuring the level of analogue signalsTo measure the level of an analogue signal, proceed as described below:- Selec
MC-377 INSTRUCTION MANUALEXAMPLE A. Measuring the level of an analogue signalTake the following figure as an example, showing a television channel: th
MC-377 INSTRUCTION MANUAL4.2.5.2 Measuring the power of digital channelsThe main characteristic of digital signals is that they distribute their energ
MC-377 INSTRUCTION MANUALEXAMPLE B.- Measuring the power of a digital signalTake the following figure as an example, showing a digital signal: Measure
MC-377 INSTRUCTION MANUAL4.2.5.3 Measuring the C/N ratio of analogue and digital signalsMeasuring the Carrier/Noise ratio provides us with information
MC-377 INSTRUCTION MANUALEXAMPLE C.- Measuring the C/N ratio of an analogue signalTake the following figure as an example, showing an analogue televis
MC-377 INSTRUCTION MANUAL4.2.5.3.2 Measuring the C/N ratio of digital channelsThe C/N ratio of digital channels is measured in a similar way to analog
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MC-377 INSTRUCTION MANUAL5 MAINTENANCE 5.1 Operating recommendationsOne of the more common causes of breakdowns in TV signal level meters is thegenera
MC-377 INSTRUCTION MANUALScales range60 dB for TV analogue signals45 dB for TV digital signals40 dB for SAT analogue signals30 dB for TV digital signa
MC-377 INSTRUCTION MANUAL5.3 Battery replacementThe battery should be replaced when you notice that its capacity, once it has beencharged, has decreas
MC-377 INSTRUCTION MANUAL5.4 Cleaning recommendationsCAUTIONTO CLEAN THE COVER, TAKE CARE THE INSTRUMENT IS DISCONNECTED.CAUTIONDO NOT USE SCENTED HYD
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MC-377 INSTRUCTION MANUALAPPENDIX A. DIGITAL TV SIGNALSTerrestrial Digital Television (abbreviated as TDT) uses COFDM modulation (CodedOrthogonal Freq
MC-377 INSTRUCTION MANUALMEASURING THE POWER OF DIGITAL CHANNELSAs we have already mentioned, digital signals distribute their energy uniformly across
MC-377 INSTRUCTION MANUALTABLE OF CONTENTS1 GENERAL... 11.1 Description ...
MC-377 INSTRUCTION MANUALSpectrum Analyser ModeBandwidthMAX modeSpectrum of the entire selected band, with amarker on the tuned frequency.SPAN modeFre
MC-377 INSTRUCTION MANUALOPERATING ENVIRONMENTAL CONDITIONSAltitudeUp to 2000 mTemperature marginFrom 5 ºC to 40 ºCMax. relative humidity80% (up to 31
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MC-377 INSTRUCTION MANUAL2 SAFETY RULES 2.1 General* Use this equipment connected only to devices or systems with their negative ofmeasurement connect
MC-377 INSTRUCTION MANUAL* Symbols related with safety:DIRECT CURRENTALTERNATING CURRENTDIRECT AND ALTERNATINGGROUND TERMINALPROTECTIVE CONDUCTORFRAME
MC-377 INSTRUCTION MANUAL3 INSTALLATION The MC-377 level meter is designed for use as a portable device. A carrying caseis supplied to simplify transp
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