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342741/B
The following applies if the echo sounder provides Ready to
transmit
as well as
Transmitting
signals:
Figure 7
Signal timing scheme
1
Echo sounder is ready to transmit.
Ready to transmit (RTT) signal is active.
2
K-Sync triggers echo sounder.
Trigger pulse is generated.
3
Echo sounder acknowledges the transmit.
Transmitting
goes high.
Transmit is indicated in the trigger plot by the grey spike.
4
Ping delay, i.e. time from trigger to actual transmit.
5
Pulse width of trigger pulse generated by K-Sync.
6
Ready to transmit (RTT) goes high again, i.e. the ping cycle is complete.
The state plot turns dark again.
7
The ping cycle.
For echo sounders that do not have a transmitting signal, the Synchronizing Unit will
not be able to verify that the transmit occurred. Likewise, if the ready to transmit is not
KONGSBERG K-Sync Installation manual
Содержание K-Sync
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