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Y1-03-0233 Rev. D 31
The system reports that the 121.5 MHz homing signal is on. Search and Rescue (SAR)
personnel use this frequency when arriving close to the scene.
If this message is accompanied by a green LED flash, the GPS coordinates have been
sent. If accompanied by a red LED flash, the GPS coordinates have not been sent.
NOTE:
If GPS coordinates were not sent, the system will continue to attempt to acquire the
data and add it to the 406 MHz distress signal when available. Updated GPS coordinates
are sent every twenty minutes.
The system reports recently acquired GPS coordinates. You may be able to communicate
the coordinates to SAR or other persons assisting in the rescue. The green LED flash
indicates that GPS coordinates have been sent.
Coordinates will scroll from right to left with the following information: LT: XXº XX.XX’,N and
LG: XXXº XX.XX’,W
The system alerts you that the GPS coordinates have not been acquired and therefore have
not been sent.
The system reminds you that GPS data acquisition is optimized by giving the beacon a
clear view of the sky.
121.5
ON
GPS
WEAK
GIVE
CLEAR
VIEW
TO
SKY
R
G
GPS
DATA
XX.XXX’
G
R