Hitachi EC701HP Operation Manual page 7

Section 5 - System Operation Manual
5.1 Introduction ................................................................ 5-1
5.1.1 Front Panel .................................................... 5-1
5.2 Digital Exciter - The Master Control Unit .............. 5-1
5.2.1 Keypad ........................................................... 5-2
5.2.2 Display ........................................................... 5-2
5.2.3 Signaling ....................................................... 5-2
5.3 Flowcharts Screens.................................................. 5-3
5.3.1 Presentation and Main Options ................. 5-3
5.3.2 Setup Menu ................................................... 5-4
5.3.3 Measurements ............................................ 5-8
5.3.4 System Alarms / Log .................................... 5-10
5.3.5 Remote Access ............................................ 5-11
5.3.6 Options ........................................................... 5-12
5.4 Start up ....................................................................... 5-13
5.5 Setup Menu ............................................................... 5-13
5.5.1 Power Setup ................................................. 5-15
5.5.2 Transmitter Setup .......................................
5.5.3 Image Frenquency Suppression ............... 5-16
5.5.4 LO Adjustment (LO Leakage Suppression)
.......................................................................... 5-18
5.5.5 Active / De-active Pre-Correction ............... 5-18
5.5.6 Modulation Settings ..................................... 5-20
5.5.7 Time and date configuration ...................... 5-21
5.5.8 Password ...................................................... 5-21
5.5.9 Transport Stream Input ................................ 5-22
5.5.10 Alarms Mask .................................................. 5-23
5.5.11 USB Setup ..................................................... 5-23
5.5.12 USB Host Access Setup ............................. 5-24
5.5.13 Crest Factor Reduction ............................... 5-24
5.5.14 Clock Reference .......................................... 5-25
5.5.15 Restore Web Password to Default ............
5.5.16 Transistor Bias Adjustment ........................
5.5.17 PA Temperature Control .............................. 5-29
5.6 Measurements Menu ..............................................
5.6.1 Power ............................................................ 5-32
5.6.2 Transport Stream ......................................... 5-32
5.6.3 RF Power Drawer Measurements ............
5.6.4 Exciter Power Supply ................................... 5-36
5.6.5 Communication among RF drawers ........
5.6.6 Software/Hardware Version .......................
5.6.7 Automatic Level Control .............................. 5-38
5.6.8 Clock Measurements .................................. 5-39
5.6.9 Power Supply Voltages ............................... 5-40
5.7 Alarm System ............................................................ 5-40
5.7.1 Current Alarms .............................................. 5-40
5.7.2 Alarm Log ...................................................... 5-41
5.7.3 Drawers Alarms ........................................... 5-42
5.7.4 Clear Past Alarms ........................................ 5-43
5.8 Remote Management System (Telesupervision) 5-47
5.8.1 IP Configuration ........................................... 5-47
5.8.2 Mask Configuration ..................................... 5-48
5.8.3 Gateway Configuration ............................... 5-48
5.8.4 Host Address Configuration ...................... 5-48
5.9 Options ...................................................................... 5-50
Preventive / Corrective Maintenance
6.1 Introduction................................................................. 6-1
6.2 Preventive Maintenance .......................................... 6-1
6.2.1 Quiescent currents Automatic adjustment
procedure .................................................................. 6-5
5-15
6.3 Corrective Maintenance ........................................... 6-6
6.3.1 Visual identification of alarms (leds) ....... 6-6
6.3.2 Measurements readings ........................... 6-6
6.3.3 Power Drawer Air Filter ............................... 6-7
6.3.4 Power Drawer Fan Replacement ............. 6-9
5-27
5-27
5-30
5-33
5-36
5-37
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Section 6 -