Chapter 5 Maintenance; Pv (Performance Verification) Test - Furuno FELCOM 12 Service Manual

5.1 PV (Performance Verification) Test

The PV test consists of the message reception test, message transmission test and distress
alert transmission test. The results of the test appear on the PV Test Result display (see
page 5-3).
The MES-originated PV test proceeds in the following sequence.
When an LES originates a test, the test starts from the step 5.
Sequence
1. Select PV test on the Test menu.
2. The MES requests NCS to conduct PV test.
3. The NCS acknowledges request for testing.
4. The MES, upon receiving acknowledgement from NCS, goes into pending state.
5. NCS selects a (not busy) LES to perform the test.
6. The LES transmits a test message to the MES.
7. The MES transmits the test message to the designated LES.
8. The LES receives the test message.
9. Distress alert testing. The MES transmits the distress alert transmission test, either
manually or automatically. (The distress alert is automatically transmitted if it is not
transmitted within two minutes after the completion of step 8.)
10. When the distress alert test is finished the results of the PV test are sent to MES.

Chapter 5 Maintenance

5-1