| Code/Flag Figure |
Description |
Status |
|
0
|
Reserved
|
Operational
|
|
1
|
Manual reading from vertical tide staff
|
Operational
|
|
2
|
Manual reading from single automatic recorder at station
|
Operational
|
|
3
|
Manual reading from multiple automatic recorders at station
|
Operational
|
|
4
|
Automatic reading from single automatic recorder at station without level reference check
|
Operational
|
|
5
|
Automatic reading from single automatic recorder at station with level reference check, or from multiple automatic recorders
|
Operational
|
|
6
|
Reserved
|
Operational
|
|
7
|
Missing value
|
Operational
|