Furuno FCR-21x9-BB Operator's Manual page 376

25. MAINTENANCE AND TROUBLESHOOTING
If...
the message "No
connection to
dongle" appears
monitored route is
not displayed
planned route is not
displayed
symbol of user chart
cannot be erased
position cannot be
found
S57 chart cannot be
displayed
past track is not
displayed
monitored user chart
is not displayed on
ECDIS display
user chart is not dis-
played on radar dis-
play
the message "Near-
ing memory usage
limit. Click the Re-
start button to restart
the system to pre-
vent trouble." ap-
pears
the message "Mem-
ory usage limit
reached. Click the
Restart button to re-
start the system to
prevent trouble." ap-
pears
both the operating
mode buttons [RA-
DAR] and [CHART
for RADAR] are
yellow
25-6
Chart troubleshooting
then...
• dongle is not connected to USB
port.
• route has not been selected.
• monitor route has not been select-
ed to be visible above the chart.
• route has not been selected.
• planned route has not been select-
ed to be visible above the chart.
• two or more symbols may be su-
perimposed on each other.
• position sensor(s) is not selected
on the [POSN] page.
• position sensor is turned off.
• sensor cable has loosened.
• No ENC chart for area.
• Dongle not inserted.
• past track is not selected to be vis-
ible.
• user chart is not selected to be vis-
ible.
• user chart is not selected in Voy-
age navigation mode.
• the memory usage limit for soft-
ware is close to capacity. Perfor-
mance may be affected.
• the memory usage limit for soft-
ware is reached. Performance
may be affected.
• the memory usage limit for soft-
ware is close to capacity. Perfor-
mance may be affected.
Remedy
• Reinsert dongle.
• Select route to monitor.
• Open the [Route] page of the
[Symbol Display] menu and check
the monitored route parts to show.
• Select route as "planned".
• Open [Route] page of [Symbol Dis-
play] menu and check the planned
route parts to show.
• Do the delete action several times.
• Check position sensor selections.
• Turn on position sensor.
• Check cable.
• Open S57 chart from [Manage
Charts] dialog box
• Connect dongle.
• Open [Tracking] page of [Symbol
Display] menu and select [Own
Ship Past Tracks] to [Primary] or
[Secondary] as appropriate.
• Open [Mariner] page of [Symbol
Display] menu and select parts to
show.
• Select user chart in Voyage navi-
gation mode.
If you need to save your work, click
the [Later] button then reset the pow-
er. If you don't need to save your
work, click the [Restart] button.
Cick the [Restart] button to reset the
power. No other operations are avail-
able other than restart.
Stop all operations and reset the
power.