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1. OPERATIONAL OVERVIEW
1.1 Communication Unit
The communication unit is the heart of the FELCOM 16 system, transmitting and
receiving messages via the Inmarsat system.
INMARSAT MINI-C MOBILE EARTH STATION
POWER
LOGIN
TX
ERROR
POWER
POWER
Switch
Status LEDs
POWER: Lights (in green) when power is on.
LOGIN: Lights (in green) when logged in;
flashes (in green) in green in other instances.
TX: Lights (in green) when transmitting.
ERROR: Flashes (in red) for equipment error.
Communication unit IC-216
1.1.1 Turning the power on/off
Press the [POWER] switch to power the communication unit and antenna on or
off.
Note: The example screens shown in this manual may not match the screens
you see on your display. The screen you see depends on your system
configuration and equipment settings.
1.1.2 Diagnostics
When the communication unit is turned on it automatically conducts a series of
diagnostic tests to check itself for proper operation. The test takes about 30
seconds and all lamps are on during the test. For further details, see Chapter 7.