Simrad HS50 - Manual (Page 47)

OPERATING INSTRUCTIONS
20221081 / F
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Number of satellites used in the GPS position solution and the
number of satellites tracked by GPS antenna no. 1 (Tr1) and 2
(Tr2).
This display is mainly used by service personnel.
Software version for each unit (Distribution Unit = DU , Sensor
Unit = SU and Processing Unit = PU ), together with internal
serial number for Sensor and Processing unit. The date behind
each unit’s software version refers to manufacture date for the
unit.
System load as percentage of used CPU capacity.
4.4 Alarms
The HS50 will generate an acoustic alarm and an alarm text if
heading or position information is invalid or missing.
The acoustic alarm will sound for 5 seconds, and the alarm text
will remain in the display until the
NAV1 or NAV2 button is
pressed. No data will be output from HS50 as long as the alarm
situation is present.
If the SETUP menu is active when the alarm condition arises,
the alarm text will be displayed when the SETUP menu is left.
Note! No alarm will be activated if the system is setup to not respond
to alarm situations. Refer Expert setup, page 30.