Xylem Sontek River Surveyor RS5 - Page 46

SonTek RS5 User Manual (August 2020) 46
Measurement
Component
Variable
Action
Message
Criteria
Boat Speed
Warning
Boat Speed is greater than 0.7m/s
0.7m/s
Bottom Track
Counter /
Warning
Samples with bad BT
Counter /
Warning
Samples with bad BT (edited)
Warning
9 Consecutive samples with bad BT
9 Samples
Warning
Discharge will be biased low
Warning
Consider restarting the measurement
using GPS reference
Cells
Warning
Number of cells less than 2
2 Cells
Edge
Warning
Too shallow to collect edge data
2 Cells
Warning
Edge Q is more than 5 percent of total
Q
5%
Warning
Please make sure that the start edge
bank is entered correctly
Edge (Start)
Warning
Consider moving farther away from
bank
2 Cells
Warning
Number of start edge samples is less
than 10
10
Samples
Edge (End)
Warning
Consider moving farther away from
bank
2 Cells
Warning
Number of start edge samples is less
than 10
10
Samples
Depth
Reference
Warning
BT was used as depth reference
Warning
VB was used as depth reference
Temperature
Warning
Significant change in temperature
during transect
2°C
Width
Warning
Variation in width from the previous
transect is more than 5 percent
5%
Warning
COV of Width is greater than 5 percent
5%