Xylem SonTek River Surveyor M9, Системное руководство

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SonTek, a Xylem brand
RiverSurveyor S5/M9 System Manual (February 2013)
135
Figure 121. Start Edge
Press the
Cancel button to return to the system settings page and review the current system
and data collection settings.
The Start Edge (Station 1) dialog will show several parameters, but only the relevant fields will
be enabled in this step. Input the correct start bank (Left or Right), the starting location (edge of
water on river bank measured from the tagline), the water depth at the start location (0 is typical-
ly used for a slope bank), velocity correction factor (1 is typical for most start and end locations),
gauge height and auxiliary gauge height (i.e. water-level) if known, and the observation time of
the gauge height reading.
Once the fields are updated press the
OK (Enter) button and move the instrument to the first
measurement location (Station 2). The station dialog will automatically open. The instrument
will also start “Pinging” showing you the SNR (signal to noise ratio) profile plot for each beam
and the number of valid cells for measurement (as shown in Figure 122). This information is
provided to help make a better determination of the first measurement location. In addition,
once the measurement is complete the system continues “Pinging” and displays this data as
you move it to the next measurement location. Typically, it is recommended that you have a