Nera Inmarsat-c Service Manual page 38

Table 2.3.6 lists the alarm stop.
Unit Reset switch
IC-215 [F10]: Stop Alarm
ALARM ACK
IC-305
(Receiving EGC msg.)
IC-306 ALARM RESET
Note) "ALM" is released by following condition.
"WARNING: Synchronization loss. Please check the current Ocean Region."
(When the RX signal is not received, the scanning is not made automatically. Select the proper ocean
region.)
- "BBER" is over 80 %
"BBER over 80%. Scanning NCS start manually."
(When the RX signal is not received, the scanning is not made automatically. Select the proper ocean
region.)
- Printer paper empty
"Can't print. PRINTER NOT READY."
"Can't print. Paper Low."
- When the data from internal GPS and the external NAV is not input
"WARNING: Internal GPS UNIT failure."
"WARNING: External NAV equipment failure."
- When the position data is input manually and the position data updating is requested (every
4 hours )
"INF: Please update current ship position."
- When detecting the error, the following messages appear.
"TROUBLE: ANT power voltage abnormality"
"TROUBLE: ALARM UNIT Fault"
"TROUBLE: DMC Connection abnormality"
"TROUBLE: DISTRESS ALERT Fault"
"TROUBLE: Synthesizer UNLOCK"
"TROUBLE: Carrier Power Level"
"TROUBLE: GPS module"
"Memory full for received msg."
All alarm is stopped.
The alarm period is changed.
(From 1.2S ON, 0.3S OFF to 0.1S ON, 1.9S OFF)
After receiving:
Only the alarm of the unit which reset switch is pressed is
changed its alarm period.
Detecting the error:
Only the alarm of the unit which reset switch is pressed is
stopped.
2-18
2.3 Terminal unit, IC-215
Table 2.3.6 Alarm stop
Action