Hitachi EC702MP-BB3 Operation Manual page 6

Uhf digital tv transmitters
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2.
Inspection...................................................................................................................................................... 87
3.
Installation Recommendations. .................................................................................................................. 87
3.1.
Preventive Protection .......................................................................................................................... 87
3.2.
Tower ..................................................................................................................................................... 87
3.3.
Fastening of cables, antennas and connectors ................................................................................ 88
3.4.
Indoors Equipment Installation........................................................................................................... 89
3.5.
Equipment Grounding ......................................................................................................................... 89
3.6.
Electric Installation Grounding ........................................................................................................... 90
3.7.
Power Supply ........................................................................................................................................ 90
4.
Equipment Assembly ................................................................................................................................... 91
4.1.
Assembly............................................................................................................................................... 91
4.2.
Internal Connections ............................................................................................................................ 95
4.3.
GND Connection ................................................................................................................................... 95
4.4.
AC Electrical Line Connection ............................................................................................................ 95
Section 5 - Initial Activation .............................................................................. 97
1.
Overview........................................................................................................................................................ 97
2.
Activation ...................................................................................................................................................... 98
3.
Main Operations. ........................................................................................................................................ 100
3.1.
Power Changing ................................................................................................................................. 100
3.2.
Communication .................................................................................................................................. 100
4.
Forbidden operations ................................................................................................................................ 100
5.
Protections .................................................................................................................................................. 101
5.1.
Reflected Power ................................................................................................................................. 101
5.2.
Over-excitation ................................................................................................................................... 101
5.3.
AC Mains Line Protection .................................................................................................................. 101
5.4.
Transmitter Operating Temperature Configuration ........................................................................ 102
Maintenance ..................................................................................................... 103
1.
Overview...................................................................................................................................................... 103
2.
Preventive Maintenance ............................................................................................................................ 103
2.1.
Cleaning .............................................................................................................................................. 103
2.2.
Visual Inspection ................................................................................................................................ 104
2.3.
Reading Verification ........................................................................................................................... 104
2.4.
Power Transistors Againg Adjust .................................................................................................... 105
Section 8 - Attachments .................................................................................. 106
1.
E-Compact MP-BB3 Series
6 | 108

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