Jotron AS TR8000 User Manual
10.1.3.3 Add Region
The user is allowed to Add Regions, but caution is advised (see 10.1.3).
It is not allowed to delete regions, they will be deleted on timeout after 24 hours inactivity, if the ship is
more than 500NM away from the region, or if the region is overwritten. There is a maximum amount of
8 regions in addition to the HIGH SEA region
Red square shows
button selected to get to next
menu
When “Add Region” is selected,
default values for Channels, Tx/Rx
Mode, Power and Transition zone
are configured, but all these
parameters may be altered
together with defining position of
the North East and South West
corners of the Region.
TR-8000 Operator and Installation Manual 71
10.1.3.3.1 Change Channel
NOTE! BE AWARE THAT SETTING OF CHANNELS WITHOUT SPECIFIC KNOWLEDGE OF CORRECT SETTING
MAY ALTER YOUR AND OTHER VESSELS SECURITY AS:
YOU MAY TRANSMIT ON ILLEGAL CHANNELS
YOU MAY NOT BE SEEN ON OTHER VESSELS AIS
OTHERS MAY NOT SEE YOU
THIS CAN IN WORST CASE LEAD TO COLLISIONS
When you select either the buttons “Channel
A” or “Channel B” you may input the correct
channel number.
The default channels 2087 and 2088 are the
same as 87B or 88B used previously as Coast
Station frequencies on 161.975 MHz and
162.025 MHz.
See complete list in Chapter 12 and for
updates of this list from ITU RR, Appendix 18
TR-8000 Operator and Installation Manual 72
10.1.3.3.2 Tx/Rx Mode
Tx/Rx Mode allows you to change setting in which the transponders will use the two regional channels
for transmission (Tx) and reception (Rx)
When you press the button “Tx/Rx Mode” it will toggle between the valid configurations:
Default – will transmit/receive on both channels
TR-8000 Operator and Installation Manual 73
10.1.3.3.3 Output Power
The button “Output Power” will toggle between “High” and “Low” power:
(12.5 Watts) (1 Watt )
10.1.3.3.4 Transition Zone
A Region must be between 20 an 200 Nautical miles and within this region there will be a “Transition
zone” between 1 and 8 Nautical miles:
This zone is used for frequency transition so only
one frequency is changed at a time. There are
defined rules for how the AIS will behave
through this zone.
The AIS will continuously monitor for its own
position and range to the regional areas defined.
When entering transition zone for Region 1,
frequency is changed on the primary channel.
The AIS is now sending the primary frequency
defined for each of the regions.
When the boundary for the Region 1 is crossed,
the second frequency shall be changed. Then the primary frequency for the old region (or default
setting) is switched with the secondary frequency for the new region. Then both frequencies have
changed.
When entering another region, frequency transition is performed as described above with the
frequencies (settings) of the new region. When leaving a region, frequency transition is performed back
to default values.
To change the value of this “Transition Zone”, select the button and input value
between 1 and 8 (Nautical miles)
TR-8000 Operator and Installation Manual 74
10.1.3.3.5 Define Region
North East corner
South West corner
A Region must be between 20 an 200 Nautical miles as described above and you must define the
Longitudes and Latitudes of the South West and North East corners:
The values are defined by selecting these 4 buttons:
If the values are within 20 – 200 NM, they will be accepted, and you will be asked if you want to save it:
Otherwise you may experience errors:
TR-8000 Operator and Installation Manual 75
10.1.3.3.5.1 Illegal Coordinates
Example: Too large value for Latitude
10.1.3.3.5.2 Region Width /Height problem
Example: Too large value for “Region width”
TR-8000 Operator and Installation Manual 76
10.1.3.4 Alarms
Red square shows
button selected to get to next menu
10.1.3.4.1 Alarm Popup
When Alarms occurs, a popup will be shown with status of Alarms:
And the “Alarm” popup must be acknowledged by pressing the
button below Alarm window
TR-8000 Operator and Installation Manual 77
The internal Alarm is triggered if a failure is detected in one or more of the AIS functions or data. The
Alarm
ID
description text
Cause / Source of error
Reaction of the system and
user advise
001
Tx malfunction
VHF Antenna or cabling mismatch.
Alternatively Invalid MMSI
The Transponder stops transmission.
Check the antenna cabling for short or open
circuits. Alternatively check the VHF
antenna. Check that the MMSI number is
correct.
002
Antenna VSWR
(Voltage Standing
Wave Ratio)
exceeds limit
VHF antenna or installation
The Transponder continues transmission.
Check the VHF antenna and the cabling.
Make sure the cables are 50 Ohm
003
Rx channel 1
malfunction
Internal frequency error*
The Transponder stops transmission on the
affected channel.
Try rebooting the system
Alternatively, service is needed
004
Rx channel 2
malfunction
Internal frequency error*
The Transponder stops transmission on the
affected channel.
Try rebooting the system
Alternatively, service is needed.
005
Rx channel 70
malfunction
Internal frequency error*
The Transponder continues normal
transmission but is not able to receive DSC
messages.
Try rebooting the system
Alternatively, service is needed.
006
General failure
Missing MMSI, internal error
The Transponder stops transmission.
Check MMSI and the other parameters.
007
UTC sync invalid
GPS antenna or installation
The Transponder continues operation using
indirect or semaphore synchronisation with
other AIS units.
If the received GPS signal strength is low,
the GPS might use some time to get the
first fix. Consider waiting 15 minutes.
Check the GPS antenna and cabling.
If the antenna is an active type, check that
the phantom DC voltage is correct
corresponding message is given as in Table 2. The most probable source of error and corresponding
system behavior is described together with some notes on troubleshooting the error.
TR-8000 Operator and Installation Manual 78
008
MKD connection
lost
Connection between the Display Unit and
the Transponder is corrupted
The Transponder continues operation, and
alerts other AIS systems that no display is
present.
Check that the display is turned on.
Check that the cable is correct connected in
both ends.
Check the IP address and corresponding
communications IP address of both units if
using the Ethernet connection.
Check for firewall error or such if connected
through a local network.
009
Internal / external
GNSS position
mismatch
Internal or External GPS or Antennas
The Transponder continues operation, but
as this might imply that wrong position is
used. Care should be taken as this might
impose a risk both for own and other ships.
Check the positioning of the GPS antennas.
Disconnect the External GPS and check if
the internal GPS provides the correct
position.
010
Navigational
Status incorrect
Setup or speed sensor
(Navigational status does not correspond
with the given speed)
The Transponder continues operation.
Check that navigational status is not at
anchor, moored or aground while SOG >
3knots.
Check that navigational status is not under
way while SOG = 0 knots.
Check that SOG is correct.
011
Heading sensor
offset
COG sensor / HDT sensor
Alarm ID 11 is activated when SOG is
greater than 5 knots and the difference
between COG and HDT is greater than 45
degrees for 5 min.
The Transponder continues operation.
Alarm indicates mismatch between Course
over ground and True heading. Check
sensors. If current speed is <5knots, check
SOG
014
Active AIS SART
AIS Search and rescue beacon activated
The Transponder continues operation.
Contact local RCC (Rescue C oordinat ion
Centre). Be prepared to assist in search
and rescue operation.
Listen on VHF channel 16 for additional
information.
025
External EPFS lost
(External Satellite
Positioning
System)
No valid position data on sensor ports
The Transponder continues operation with
the internal GPS receiver. If no valid
position is present on the internal sensor,
ALR26 is also displayed.
Check antenna and connections for EPFS,
check sensor. Check baud rate settings.
026
No sensor position
in use
Internal and external GPS sensor
The Transponder continues operation.
Check cabling and antenna for the internal
GPS sensor. At start up the GPS might
need some time to receive almanac data.
Up to 15 minutes might be required.
029
No valid SOG
information
Internal and external speed sensor
The Transponder continues operation using
default data.
Check wiring and external sensor.
Check baud rate settings.
030
No valid COG
information
Internal and external course sensor
The Transponder continues operation using
default data.
Check wiring and external sensor.
Check baud rate settings.
TR-8000 Operator and Installation Manual 79
032
Heading
lost/invalid
External heading sensor
The Transponder continues operation using
default data.
Check wiring and external sensor.
Check baud rate settings.
035
No valid ROT
information
External rotation sensor
The Transponder continues operation using
default data.
Check wiring and external sensor.
Check baud rate settings.
Table 2: Integrity alarm conditions signaled using ALR sentence formatter.
*The Rx Alarm is triggered if one of the internal frequency generators is out of lock, making the receiver unable to function
at the correct frequency.
TR-8000 Operator and Installation Manual 80
10.1.3.5 Alarm Relay Output
Figure 10-1 Typical Alarm connection
The Alarm relay is a normally open earth free relay contact, provided as an independent and simple
method for triggering an external alarm. The alarm relay is deactivated upon acknowledgment of an
alarm, either internally on the display unit, or by an externally provided ACK sentence. If the
Transponder power is lost, and the Alarm relay has power, the alarm will be triggered. In this case, the
only way to deactivate the Alarm is to power the Transponder unit or disconnect the power source of
the Alarm relay.
TR-8000 Operator and Installation Manual 81
10.1.4 Indicators
Text
Identifier
“Indicators”
(Shown on Display unit and
also sent as text message to
ECS/ECDIS or other equipment
connected to PI port)
Description
021
External DGNSS in use
DGNSS is normally the same as DGPS, which indicates external type of
such sensor is in use
022
External GNSS in use
GNSS is normally the same as GPS, which indicates external type of such
sensor is in use
023
Internal DGNSS in use (beacon)
Internal DGNSS (DGPS) (beacon) in use indicates a DGNSS beacon
receiver is connected and transmit valid data to TR-8000
024
Internal DGNSS in use (Message 17)
Internal DGNSS (DGPS) (Message 17) in use indicates Differential
correction data is sent from an AIS Base Station to this TR-8000
transponder
025
Internal GNSS in use
The inbuilt GNSS (GPS) receiver is in use
027
External SOG/ COG in use
SOG (Speed Over Ground)/ COG (Course Over Ground) from external
GNSS(GPS) device is in use
028
Internal SOG/ COG in use
SOG (Speed Over Ground)/ COG (Course Over Ground) from internal
GNSS(GPS) device is in use
031
Heading valid
True Heading is received from either an external Gyro or Satelitte compass
033
(ROT) Rate of Turn Indicator in use
ROT received from external sensor: TI (Turn Indicator)
034
Other ROT source in use
No TI(Turn Indicator) from external sensor,
ROT(Rate of Turn) value is calculated from HDT internally
036
Channel management parameters
changed
If either “Region s ett ing” is applied manually or from msg received
from AIS Base Station, this indicator will be shown.
Red square shows
button selected to get to next menu
The indicators show information about where
sensor data are collected, valid Heading etc.
This list may be used if troubleshooting of the
sensors is needed. The available messages are
as given in .
Table 3: Indicators.
TR-8000 Operator and Installation Manual 82
10.2 Advanced Menu
Red square shows
button selected to get to next menu
The Advanced Menu is intended for
use during setup and maintenance of
the TR-8000 AIS system. Some of the
menus are write protected by
password, but all parameters are
readable to all users for inspection.
10.2.1 Interface
Red square shows
button selected to get to next menu
In the “Interface” menu, the parameters
shown on the left picture can be
configured.
TR-8000 Operator and Installation Manual 83
10.2.1.1 Display/ Transponder IP
NOTE! Since the TR-8000 uses Ethernet between transponder unit and display, an IP addresses must be
correctly configured
All parameters /buttons are “grayed out”
as they are not accessible without
“Admin Pswrd”
When “Admin pswrd” button is selected,
the following window appear:
Input the “Admin Password” (SE) into the
field and press the “Confirm” button:
Then it is possible to access all fields and configure IP correctly:
Default values are:
Display:
Adress: 10.0.0.11
Mask: 255.255.0.0
Transponder:
Adress: 10.0.0.10
Mask: 255.255.0.0
Gateway: 0.0.0.0
(Gateway is only used if Transponder communicates
through a router that performs NAT (Network Address
Translation). Then the Router address must be written
here as “Gateway”)
And when configuration is finished either of “Return” or “Confirm” buttons will bring
you back to last menu.
TR-8000 Operator and Installation Manual 84
10.2.1.2 External display
Red square shows
button selected to get to next menu
The TR-8000 support three
different methods of connecting an
external Display.
If Ethernet is used, the External
Display should be connected
through an external Ethernet
switch since the TR-8000 Display
unit is already connected to this
connector
see also chapter 8.3.1.5 which describes the External Display physical connections
TR-8000 Operator and Installation Manual 85
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