Calibration
6-12
Chapter 6: Configuration
98-146706-A
4. Type the user name
admin
(default) and the password
iDirect
(default).
5. In the menu
Commissioning
click
One Touch Commissioning
.
6. Click
Start
. Once commissioning is completed the antenna will search for the I5 satellite
with the highest elevation.
7. The antenna will find the satellite and the modem will perform necessary steps to enter
the network (software upgrades, if available).
8. The Unified Web Interface of the Core Module will indicate the modem in the network
as well as the modem status in the display in the menu
MODEM
.
9. When commissioning is completed, test all subscribed services.
6.2.6
About operation in gyro-free mode
Heading input: none
If input from a gyro compass is not available, information from the GPS position is used
when searching for a satellite. When the antenna does not have ship heading input from the
vessel's gyro compass, the azimuth direction of the satellite is not known. In this case the
antenna will start a 360 degrees sky scan and scan until it finds a satellite. The satellite
search time to find the satellite and start tracking is therefore raised considerably. If the
ship is on a steady course and sails at a speed over ground above 5 kn, the system can use
an estimated heading from the current GPS position. This will reduce the search time, but it
will still be a longer search time than with heading input.
This mode can be difficult for inclined orbit satellites and elevations <5 and >70 degrees,
see the following sections for details.
If a system loses the signal from the satellite, i.e. due to blockage, and the duration of signal
loss is longer than approximately 1 minute, a system without heading input must do a new
sky scan to find the satellite when the antenna is out of blockage.
Inclined orbit satellites
If the wanted satellite is an inclined orbit satellite, the system does not have any
information of the satellite latitude position but only information about inclination. This
means longer search times, depending on the maximum inclination. With the increased
search time for a system without heading input the search time can be so long that it will be
more or less useless in practice.
Figure 6-10: Unified web interface of the Core Module
SAILOR900Ka-IM-98-146706.book Page 12 Thursday, July 16, 2015 11:07 AM
