63
OPERATING THE ACU
-3°
-2°
-1°
0°
1°
2°
3°
1
5
10
15
20
30
25
Search 1 (Gyro Free) Search Pattern
Search 3 pattern
Search 3: A search pattern 3 will automatically be initiated when AGC/SIG falls
below the current tracking level threshold value. If the desired signal is found and
above the predefined tracking level, the ACU will terminate Search 3 and go into
TRACKING mode. A search pattern will automatically be initiated when AGC/SIG
falls below the current threshold setting (indicates that satellite signal has been
lost). Search is conducted in a two-axis pattern consisting of alternate movements
in azimuth (AZ) and elevation (EL) as forming expanding square indicated as below
diagram.
Target satellite EL position
Revolution (AZ direction)
Search 1 antenna motion
Elevation
(EL) Range
0.5˚
Azimuth (AZ) Range
Target EL Angle 0°
Turn 1
Target EL Angle 0°
Turn 3
Target EL Angle + 0.5°
Turn 2
Target EL Angle - 0.5°
Turn 4
Содержание GX60
Страница 1: ...Global Leader in Marine Satellite Antenna Systems GX60 Installation and Operation User Guide ...
Страница 2: ......
Страница 4: ...INDEX ...
Страница 11: ...11 INTRODUCTION Intellian GX60 Introduction Intellian GX60 Features System Configuration INTRODUCTION ...
Страница 16: ...GX60 Marine Satellite Communication System 16 ...
Страница 36: ...GX60 Marine Satellite Communication System 36 ...
Страница 82: ...GX60 Marine Satellite Communication System 82 ...
Страница 112: ...GX60 Marine Satellite Communication System 112 ...