
also recommended that the instrument be powered on in advance of taking a profile to allow
sufficient time for signal acquisition.
Note that a GPS lock is not required for instrument functionality; data will be logged regardless
of acquisition status.
It is possible to configure Sailfish to assign location coordinates to the instrument as provided by
an external GPS broadcast on board a vessel. See the
section for
more details.
Sailfish enables a feature called Offline Assist to improve GPS lock times. Details can be found
in the
section.
1.6 Indicator LED Flash Patterns
The instrument is equipped with a multi-colour indicator LED, located adjacent to the shackle.
The tables below describe the pattern and colour indications.
Steady
(solid on)
Double flash
3
__.__.
Pulsing
Flashing
...
Green
Ready
2
Battery good
GPS
acquiring
1,2
Battery good
-
Logging
Red
Ready
2
Battery low
GPS
acquiring
1,2
Battery low
-
Logging
Orange/ White/
Blue
-
-
Boot up or boot
down sequence.
-
White
-
-
-
Error state
Orange
-
-
Charging
-
1 - The instrument may be deployed with GPS acquiring. Data will be recorded but location information
will be absent. Flash patterns are specific to LGR instruments, RT instruments may display different
indications.
2 - The instrument may be deployed in any of these states. Data will be logged.
3 - 6000m AML-3 LGR instruments do not have on board GPS. Double-flash will not occur.
AML Oceanographic Ltd.
10/38