Doc. No.: 103839 Rev. A
jotron.com
Page 83 of 104
10.6.3
CPA/TCPA settings
The CPA (Closest Point of Approach) and TCPA (Time
to Closest Point of approach) range for which you
want to be alerted of AIS targets on a possible
collision course with you needs to be set here. You
may also disable the CPA/TCPA functionality
manually. How the user is alerted is also specified in
this menu.
The CPA/TCPA is calculated in the display only. No alarm will be generated to any
external equipment. If the AIS is connected to remote systems that will calculate
CPA/TCPA based on the real time information from the AIS, the CPA/TCPA
calculations in the display should be turned off.
.
10.6.4
Internal GNSS
It is possible to inspect the functionality of the internal
GNSS receiver by the following parameters:
Satellites in view
Signal strength (SNR on Y-axis)
Satellite ID (X-axis)
Position
Pos. accuracy
Precision
Differential mode
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