User's Manual

Digital ATSC Exciter-Modulator System Table of Contents
Axcera Axciter, Rev. 0 i March 22, 2007
CHAPTER 1: INTRODUCTION...................................................................................................................... 1
MANUAL OVERVIEW .......................................................................................................................................... 1
AXCITER OVERVIEW .......................................................................................................................................... 1
SAFETY............................................................................................................................................................... 2
Read All Instructions ..................................................................................................................................... 2
Retain Manuals.............................................................................................................................................. 2
Heed Notes, Warnings, and Cautions............................................................................................................ 2
Follow Instructions........................................................................................................................................ 2
Cleaning ........................................................................................................................................................ 2
Ventilation ..................................................................................................................................................... 2
Replacement Parts......................................................................................................................................... 3
RETURN MATERIAL PROCEDURE........................................................................................................................ 3
WARRANTY FOR BROADCAST PRODUCTS........................................................................................................... 4
Limited One-year Warranty........................................................................................................................... 4
CHAPTER 2: INSTALLATION AND OPERATING INSTRUCTIONS...................................................... 5
INSTALLATION.................................................................................................................................................... 5
SETUP AND OPERATION PROCEDURES.............................................................................................................. 10
MODULATOR OPERATIONAL OVERVIEW .......................................................................................................... 10
USER INTERFACE.............................................................................................................................................. 11
Navigating the User Interface ..................................................................................................................... 11
User Interface Conventions......................................................................................................................... 13
SCREEN DISPLAYS AND DETAILS...................................................................................................................... 15
Axciter Main Screen .................................................................................................................................... 15
Control and Status Screen ........................................................................................................................... 16
Signals Status Screen................................................................................................................................... 17
Channel Offset Example .............................................................................................................................. 18
AXACT Equalizers....................................................................................................................................... 19
Clock and Power Status Screen................................................................................................................... 21
LED Status Screen....................................................................................................................................... 22
History......................................................................................................................................................... 24
DTVISION LINEAR - OPTIONAL ....................................................................................................................... 25
DTVision Linear Home/ Spectrum Screen................................................................................................... 26
DTVision Constellation Screen.................................................................................................................... 27
DTVision Eye Screen................................................................................................................................... 28
Linear Equalizer Graph............................................................................................................................... 29
Linear Quad Display Screen ....................................................................................................................... 30
DTVISION NON-LINEAR - OPTIONAL ............................................................................................................... 31
DTVision Non-Linear Home/Spectrum Screen............................................................................................ 32
DTVision Peak to Average Screen............................................................................................................... 33
Nonlinear Phase Amplitude Display............................................................................................................ 34
Nonlinear Equalizer Display....................................................................................................................... 35
Nonlinear Quad Display Screen.................................................................................................................. 36
Upconverter Screen..................................................................................................................................... 37
Setup Screen ................................................................................................................................................ 39
CHAPTER 3: UPCONVERTER/DOWNCONVERTER TRAY OR MODULE ASSEMBLIES.............. 42
UPCONVERTER/DOWNCONVERTER TRAY AND MODULES OVERVIEW .............................................................. 42
UPCONVERTER/DOWNCONVERTER BOARD DESCRIPTIONS............................................................................... 43
Final Conversion Board, Axciter (1307263)............................................................................................... 43
L-Band PLL Board, Axciter (1307206) ....................................................................................................... 43
First Conversion Board, Axciter (1306759)................................................................................................ 44
AGC Control Board, Axciter (1307366)...................................................................................................... 44
Downconverter Board, Axciter (1306807) .................................................................................................. 46