Promax MC-377+ Instruction Manual page 45

INSTRUCTION MANUAL MC-377+.
1. GENERAL.................................................................................................................. 1
1.1 Description .......................................................................................................... 1
1.2 Specifications ...................................................................................................... 2
2. SAFETY RULES ........................................................................................................ 7
2.1 General................................................................................................................ 7
2.2 Specific precautions............................................................................................. 9
2.3 Descriptive Examples of Over-Voltage Categories .............................................. 9
3. INSTALLATION ....................................................................................................... 11
3.1 Operating on the electrical mains supply ........................................................... 11
3.1.1 Selecting the mains operating voltage ......................................................... 12
3.2 Operating on the battery .................................................................................... 13
3.2.1 Recharging the battery ................................................................................ 13
4. OPERATING INSTRUCTIONS ................................................................................ 15
4.1 Description of the controls and elements ........................................................... 15
4.2 Using the level meter ......................................................................................... 19
4.2.1 Start-up ....................................................................................................... 19
4.2.2 Preliminary adjustments .............................................................................. 19
4.2.3 Video Signal Input and Output..................................................................... 20
4.2.3.1 Scart Description (DIN EN 50049)......................................................... 20
4.2.4 Spectrum Analyser operating mode............................................................. 21
4.2.5 Monitor operating mode............................................................................... 23
4.2.6 Taking measurements ................................................................................. 23
4.2.6.1 Measuring the level of analogue signals................................................ 24
4.2.6.2 Measuring the power of digital channels ............................................... 26
4.2.6.3 Measuring the C/N ratio of analogue and digital signals ........................ 28
4.2.6.3.1 Measuring the C/N ratio of analogue channels................................ 28
4.2.6.3.2 Measuring the C/N ratio of digital channels ..................................... 30
5. MAINTENANCE....................................................................................................... 31
5.1 Operating recommendations.............................................................................. 31
5.2 Fuses replacement ............................................................................................ 31
5.2.1 Mains fuse replacement .............................................................................. 31
5.2.2 Internal fuses which user cannot replace..................................................... 31
5.3 Battery replacement........................................................................................... 32
5.4 Cleaning recommendations ............................................................................... 33
APPENDIX A. DIGITAL TV SIGNALS ......................................................................... 35
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