Koden KAT-330, Operation Manual

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Technical information
Page 76
Table 8 IEC 61162 Transmission interval for periodic sentences
Output
sentence
type
Transmission interval Comments
VDO Once a second Own vessel VDL reports. A
‘dummy’ VDO is generated every
second. A transmission VDO is
generated whenever the
transceiver transmits a message.
ALC Once every thirty
seconds The cycle alert list (ALC) sentence
provides a list of all alerts that are
not in alert state normal. When all
alerts are in alert state normal, the
number of alert entries will be
zero.
ALR
(inactive) Once a minute If no alerts are active, a single
empty ALR sentence is output
ALR
(active) Once every thirty
seconds If any alerts are active, an ALR
sentence is output for each active
alert.
ABK, ACA,
ALF, LR1,
LR2, LR3,
LRF, LRI,
TXT, VDM Only transmitted when
specifically initiated by
an external event