Fault Finding
20220760G
97
DATA DETECT
SYC
255
SPD
255
DPT
255
POS
255
HDG
255
NA1
255
WND
255
NA2
255
GENERAL
Roblink Sync. OK
Compass heading OK
Wind Speed & Angle OK
Depth OK
Boat speed (Water) OK
GPS Position data OK
Navigation data OK
Waypoint/Route navigation active
All displayed items will start counting at 136. If data are OK
they will count up and stop at 255.
If data are not OK they will count down and stop at 15.
On the IS15 Wind, Tack and Compass the Roblink test only
monitors the data utilized by the instrument head, e.g. wind data
or compass heading.
•
Press and hold the
button for 10 seconds to enter the
installation menu.
•
Press the
or
button until the display reads
tESt
.
•
Press and hold the
button for 2 seconds to start the test. As
on the Combi, the display will start counting from 136.
There are three more displays available for roblink testing:
Message rate
Messages are sent with a fixed rate from 1 to 5/second. Example:
Heading (HDG) is sent with a rate of 5 and depth (DPT) with a
rate of 2.
Under normal operation the numbers are steady. If the reading
becomes erratic it indicates a problem on the Roblink.
Checksum Err(or)
Counts up detected check sum errors. A check sum error up to
5% of sent message is acceptable.
Verify how much each message is counting up in a periode of
one minute.
Examles:
If a message with a rate of 1 has more than 3 errors in a period of
60 seconds, it indicates a problem on the Roblink.
If a message with a rate of 5 has more than 15 errors in a period
of 60 seconds, the same problem exists.
