Calibration
6-12 Chapter 6: Configuration 99-145912-A
4. When commissioning is completed, test all subscribed services.
6.2.5 Manual One Touch Commissioning (BUC calibration)
When the GMU starts up for the first time it will automatically register
with the BUC and perform P1dB compression and thereafter register
with the Inmarsat network. During the P1dB compression the antenna
will point away from the satellite and the ACU will show BUC
calibration on the DASHBOARD and the ACU display.
If a new cable calibration is made, the ACU displays the alarm BUC
calibration outdated. The you must make a One Touch
Commissioning.
To make a One Touch Commissioning (OTC) for the modem, do as
follows:
1. Connect a PC to LAN1.
2. Enter the web interface (via Firefox browser) and go to SERVICE >
Modem.
3. At Modem access click the link.
When input from the vessel’s gyro compass is not
available: Change the heading input setting from Fixed
to None at Heading – Input.
Fixed heading is not allowed for sailing vessels!
WARNING! For your safety: Active RF transmission
may occur during an OTC procedure. Software updates
may also occur, yet the system is in receive-only mode
during such auto-updates.
You must use the Internet browser Firefox.
Figure 6-10: Web interface: SERVICE > Modem, Factory default
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