98-148248-C 7-1
Chapter 7
7777
Installation check 7
Now that you have installed the system, you can test it to verify it is ready for customer
delivery. Follow the check lists below to test the system for proper operation.
• Installation check list: Antenna
• Installation check list: ACU, modem, connectors and wiring
• Installation check list: Functional test in harbor
7.1 Installation check list: Antenna
Step Task Further information Done
1.
Check that the antenna is free of obstructions. See Obstructions (ADU shadowing) on
page 3-4.
2.
Make sure to maintain the vertical orientation
of the ADU center line.
See To install the ADU on page 3-19.
3.
Check that the ADU is installed where
vibrations are limited to a minimum.
See To install the ADU on page 3-19.
4.
Check that you programmed the blocking
zones correctly.
See Blocking zones with azimuth and
elevation on page 3-5
and
To set up blocking zones (RX and TX) on
page 6-23.
5.
Make sure that the safety distance for radiation
hazard is kept.
See Safe access to the ADU (radiation
hazard) on page 3-6.
6.
Check that the mounting height of the antenna
is in accordance with the ship’s min. roll period.
See Ship motion and offset from the
ship’s motion centre on page 3-6.
7.
Make sure that the requirements for mast
foundation and height, including flatness,
gusset plates and distance from welding seams
are met.
See ADU mast design: Mast foundation
and height on page 3-7.
8.
Make sure that the distances to radar, Inmarsat
systems, GPS receivers and other transmitters
are as required.
See Interference from radar, GPS, L-
band and other transmitters on page 3-
13.
9.
Make sure that the drain tube is open and risk
for water intrusion is at a minimum.
See Condensation, water intrusion and
deposits on page 3-16.
10.
Check that the ADU is grounded correctly,
using the mounting bolts.
See To ground the ADU on page 3-21
and Ground and RF protection on
page C-1.
Table 7-1: Installation check list: Antenna
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