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1st3001001 EN 1_14.docx
1
st
-Relief GmbH
Bank: UniCredit Bank Austria AG
FN: 206478w, HG Wien
Handelskai 388 / Top 632
Swift/BIC: BKAUATWW
VAT No.: ATU 51115305
1020 Vienna, Austria, Europe
IBAN: AT24 1100 0085 7396 5400
Tax No. 014/3645
www.1st-Relief.com
EORI: ATEOS1000001609
3
Using the transponder
3.1
Status LEDs
3.1.1
Power OK
A green LED illuminates to show that the unit is connected to an external power source
and is operating.
3.1.2
TX Timeout
An amber LED illuminates if the unit has failed to transmit a position report during the
last two reporting intervals.
Examples:
• Message 23 “quiet period”
• A high VDL load
• Positional information unavailable
• Transmissions disable
• Unit has not been configured
3.1.3
Error
An amber LED illuminates if the unit has failed its inbuilt integrity test.
The unit is equipped with built in integrity tests (BIIT) that simultaneously operate with
the standard AIS functions.
The BIIT provide the following test functions:
• Receiver monitoring of background noise level – indicates if background noise level
exceeds -77dBm
• GPS antenna connection – indicates if open or short circuit
• GPS module – indicates if module has failed
3.1.4
Channel 1 and Channel 2
Two tri-colour LEDs indicate the status of channel 1 and channel 2 as follows:
• Green indicates that the channel has received an AIS message
• Amber (red and green) indicates the channel is transmitting
• Red indicates the channel is in DSC mode
