11
1. Description of Unit
1.1 Front Panel
LED
FUNCTION
REMARK
ON
In inputting Power, LED is turned on
RED LED
STATUS
When receiving UTC Sync information into internal GPS receiver
of Transponder and matching UTC Sync, Timeout Led is turned
Off if this GPS Led turns On.
GREEN LED
TIMEOUT
When UTC Sync is not matched, Timeout LED turns On to
show ”No TX” and Status LED turns Off.
YELLOW
LED
ERROR
In making internal errors or physical defects on Transponder
RED LED
TX
In transmitting AIS data normally, LED turns on.
RED LED
RX
In receiving AIS data normally, LED turns off.
GREEN LED
BUTTON
FUNCTION
SRM
In case of pressing SRM(Safety Related Message) button for 3 seconds, The LED
of TX, RX, STATUS, ERROR is blinking three times per 1 second and then the
SRM message is transmitted.