Led Signals - Yacht Devices YDTC-13 User Manual

VI. LED Signals
Signal
Short single flash after
powering on
Six half-second signals,
once after power on
Repeated very
(25 milliseconds) signals
Three second signal, once
or repeatedly
Two second signal, once
or repeatedly
One second signal with
six second interval
Signals during firmware update are described in the next Section.
Meaning
Indicating that the Device is functioning.
Chart plotter presence indicator. This sentence
is produced on first receiving of "Datum" (PGN
129044) or "Magnetic Variation" (PGN 127258)
messages. Usually it happens within 20 seconds after
chart plotter loading.
Normal operation. It is indicator of periodical
short messages sending (see Table 2 in Section III). Interval
between flashes is 500 milliseconds by default, but can
be changed by user.
Programming signals. See Section V for details.
Digital sensor communication problem (in case
of permanent failure, two second signals with a small
intervals).
Network problem. No messages was actually sent
or received during the last seven seconds.
— 30 —