Grass Valley LGK-3901 User Manual
Page 3
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GUIDE TO INSTALLATION AND OPERATION
LGK-3901/DSK-3901
Visit our web site at
www.miranda.com
Table of Contents
1
LGK-3901 3G/HD/SD Logo Inserter & Downstream Keyer ..................................................... 1
1.1
Introduction ......................................................................................................................................... 1
1.2
Features .............................................................................................................................................. 2
1.3
Functional Block Diagram ................................................................................................................... 3
2
DSK-3901 3G/HD/SD Downstream Keyer................................................................................. 4
2.1
Introduction ......................................................................................................................................... 4
2.2
Features .............................................................................................................................................. 5
2.3
Functional Block Diagram ................................................................................................................... 6
3
Applications ............................................................................................................................... 7
3.1
Downstream Branding ........................................................................................................................ 7
3.2
Rich Graphics Keying – (DSK-3901) .................................................................................................. 8
3.3
Downstream Parallel Branding ........................................................................................................... 9
3.4
Low-Cost Channel Branding for Specialty Channels........................................................................ 10
3.5
Master Control Switching .................................................................................................................. 11
3.6
Master Control Backup ..................................................................................................................... 12
4
Features .................................................................................................................................... 13
4.1
Front Card-Edge Interface ................................................................................................................ 13
4.1.1
CPU Card Front Edge
.......................................................................................................... 13
4.1.2
FPGA Card Front Edge
........................................................................................................ 14
4.2
Compact Flash Memory.................................................................................................................... 14
4.3
Video Standards ............................................................................................................................... 15
4.3.1
Output .................................................................................................................................. 15
4.3.2
Input ..................................................................................................................................... 15
4.3.3
Propagation Delay ............................................................................................................... 15
4.4
Reference.......................................................................................................................................... 16
4.4.1
Reference Types.................................................................................................................. 16
4.4.2
Adjusting Reference Timing................................................................................................. 16
4.4.3
HD-SDI Example (1080i) ..................................................................................................... 17
4.5
Audio Processing .............................................................................................................................. 19
4.5.1
Route Manager .................................................................................................................... 19
4.5.2
Example Route Manager Templates ................................................................................... 20
4.5.3
Voice-overs .......................................................................................................................... 20
4.5.4
Easyplay............................................................................................................................... 21
4.6
Video AB Mixing................................................................................................................................ 21
4.7
Store Memory.................................................................................................................................... 22
4.8
Keying Graphics................................................................................................................................ 23
4.8.1
External Graphics ................................................................................................................ 23
4.8.2
Internal Media ...................................................................................................................... 23
4.8.3
Emergency Alert System (EAS)........................................................................................... 25
4.8.4
Temperature Probe.............................................................................................................. 28
4.8.5
Keying Parameters .............................................................................................................. 29
4.9
Preview Channel ............................................................................................................................... 32