Furuno UAIS TRANPONDER FA-150 - Manual (Page 72)

2. INLAND AIS
2-23
2.7.5 Water level message
The water level message is sent by base stations to inform skippers about
actual water levels in their area. It is additional short-term information to the
water levels distributed via Notices to Skippers. The message contains the
country code(location), gauge ID and water level.
When you receive a water level message, a popup displays "MESSAGE!
WATER LEVEL". To see the contents of the message, do the following:
1. Press the MENU key to open the menu.
2. Select MSG then press the ENT key.
3. Select WATER LEVEL then press the ENT key.
4. Select a message then press the ENT key.
[WATER LEVEL] 1/1
COUNTRY CODE: DE
GAUGE ID: 2047
WATER LEVEL: -83.82m
GAUGE ID: 2123
WATER LEVEL: -12.32m
GAUGE ID: 3234
WATER LEVEL: 83.82m
National unique ID of gauge
Positive or negative value
Country code
5. Press the MENU key to close the message.