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| Class B: CAMINO-101 |
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1. CAMINO-101 is transmitting normally when the Power LED indicator is in steady green colour.
2. Given this condition, either Channel 1 or 2 LED indicator will flash in orange colour once the device is transmitting.
3. The transmitting interval will be 3 minutes if the speed of the vessel is less than 2 knots or moored. If the speed exceeds 2 knots, the transmitting interval will be 30 seconds. For each transmission, the channel indicator will flash once quickly. The orange colour from the indicator could be missed if not observed carefully.
4. If the unit’s transmission status still cannot be determined with the above three directions, please email service@alltekmarine.com for further instructions. |
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Possible reasons:
1. AIS Class B transmission range limitation
An AIS Class B transponder will only transmit out to vessels 5-7 miles away in perfect conditions. The AIS receiver in the transponder will typically see Class A vessels that are 20-30 miles away or even more in excellent conditions. The major reason is that all AIS Class B transponders transmit at 2 watts vs. the 12.5 watts that Class A transponders typically use. This difference in power has a huge impact on the transmission range of each transponder type. For this reason, it is quite possible that Class A vessel can be seen, but Class B vessel might not be seen.
2. VHF antennas interference
If you are using a dedicated AIS/VHF antenna for your transponder, be sure that it is placed at least 6 ft (1.83 m) away from other VHF antennas or vertical metal objects and ideally install the antenna on a different vertical plane from other VHF antennas. In several testings, mounting two VHF antennas next to another typically reduces the range to both antennas by 50-70%.
3. MarineTraffic has no full coverage
Many people use on-line AIS monitoring software such as ""MarineTraffic"" (http://www.marinetraffic.com/) to verify if their AIS is transmitting. MarineTraffic is a wonderful system which uses AIS data received from hundreds of volunteer-operated AIS receivers around the world. Since the system is not formally organized but instead relies on anyone who decides to upload data to MarineTraffic, there is no guarantee that there is a volunteering receiver near your vessel.
4. Incompatible between older AIS display and AIS Class B
Older software and AIS displays may not be fully compatible with Class B transponders. In some of these cases, older equipments might only have Class B vessel show up on their displays with just MMSI number without the vessel name. This is usually due to the receiving device not knowing how to process the Message 24 static data from Class B transponders.
5. GPS is not fixed
If your GPS antenna is not setup correctly, your transponder will see other vessels fine, but you will not be sending out your position. All transponders need a good GPS fix before it can send out any type of transmission. The color and state of the LEDs on the transponder’s front panel indicate if the unit is in transmission mode or not. Check user manual for more details. |
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Class B users should keep in mind that Class B transponders do not broadcast position updates as often as Class A commercial transponders. As with Class B transponders, the full static information, such as vessel’s names, the transmission is broadcasted every 6 minutes; however, MMSI and dynamic information, such as position, update will only be sent out every 3 minutes if the vessel is moving slower than 2 knots or moored. To add to this, if the receiving party is using non-standard dual channel receiver (a single channel receiver), then in perfect conditions, the receiver will get your full static information every 12 minutes and your MMSI and dynamic information every 6 minutes if you are moored. |
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Yes, CAMINO-101 can work with Furuno SC-50. SC-50 output interface shall be set to IEC61102-1/-2 port instead of AD-10 port. AD-10 port is Furuno proprietary interface which cannot be read by equipments from other makers. |
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CAMINO-101 supports 2 baud rates for NMEA 0183 interface: 38400, 4800. The factory default baud rate is 38400. |
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CAMINO-101 supports following baud rates for RS-232 interface: 115200, 38400, 19200, 9600, 4800. The factory default baud rate is 38400. |
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Yes, GPS antenna’s operating voltage needs to be 3.3V.
Although a 5V antenna may be used, deterioration to GPS receiving performance might occur. |
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CAMINO-101 supplies only 3.3V for GPS antenna. we recommend using AMEC GPS antenna (3.3V) with CAMINO-101. if a 5V GPS antenna is connected to CAMINO-101, it may cause deterioration to GPS receiving performance. |
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It’s highly recommended not to cut the GPS cable during installation to prevent from improper wiring. |
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Yes, as long as it is a marine type VHF antenna. |
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Yes, CAMINO-101 supports software and hardware methods for turning transmission on and off. |
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Silent mode can be configured on CAMINO-101 by using AMEC AIS Viewer software on PC. It can be configured on CAMINO-101A and CAMINO-101W by using AMEC AIS Viewer software or using optional Silent mode switch box. |
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Proprietary Tx-Off Swicth Box AMEC supplied is recommended for this purpose. |
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Yes, an external GPS receiver such as Trimble GPS Receiver can be used for CAMINO-101. This feature is supported since firmware version 2.7.8. |
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CAMINO-101 will work with any AIS-ready chartplotter with NMEA 0183 RS-422 input. |
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1.When vessel’s space is limited, a VHF/AIS antenna splitter is suggested.
2. Using a splitter may save from buying another VHF antenna in the future for VHF radio. |
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Typically, AIS Class A does not filter out AIS Class B messages. |
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Compass Safe Distance-Standard Magnetic: 0.45 m
Compass Safe Distance-Steering Magnetic : 0.30 m |
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Both 12V and 24V DC nominal voltages can be used for CAMINO-101. Be sure that enough current has been allocated for the unit. |
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The Power LED is a tri-color indicator which indicates the device’s statuses of normal operation, power error, system failure, MMSI not set, silent mode, transmission timeout, GPS not fixed, etc.
The Channel 1 & 2 LEDs are dual-color indicators which indicate the statuses of receiving and/or transmitting AIS data.
The table below briefly describes the LED indications. More detailed description can be found in the Camino-101 User Manual.
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Power LED |
Description |
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l |
Green |
Steady |
Device in normal operation |
| Blinking |
Initialization |
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l |
Orange |
Steady |
MMSI not set / silent mode (TX off) |
| Blinking |
Transmission timeout |
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l |
Red |
Steady |
Power error / system failure |
| Blinking |
GPS not fixed over 30 minutes |
| Channel 1/2 LED |
Description |
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l |
Green |
Flash |
Receiving AIS data |
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l |
Orange |
Flash |
Transmitting AIS data | |
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Yes, CAMINO-101 can use an external GPS source.
The internal GPS source has a higher priority over the external GPS source. When both supplied to CAMINO-101 during power up, the device will use its own GPS.
The above functions are supported by Camino-101 firmware version S7SE-2.7.10 or later version (shipments after October 2011). |
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