Xylem FC220 OPEN CHANNEL FLOW MONITOR - Manual (Page 12)

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Set Volume Unit:
This unit is used to display the totalizer volume on the main display. The current
setting is shown in the Set Volume Unit menu. Use the RIGHT arrow to change the
volume units. Use Up and DOWN to select either Cubic Feet, Gallons, Million
Gallons, Cubic Meters, or Liters. Press SAVE to store.
Set Time Unit:
This unit, combined with the volume unit from the previous menu, is used to determine
the flow unit on the main display. The current time units are shown in the Set Time
Unit menu. Use the RIGHT arrow to change the time units. Use Up and DOWN to
select either Seconds, Minutes, Hours or Days. Press SAVE to store.
Example: If the volume unit is set to cubic feet and the time unit is set to seconds, the
flow unit is automatically cubic feet per second. There are 20 possible combinations
of volume and time units that determine the flow unit.
Calibrate Sensor:
To change or check the sensor calibration press the RIGHT arrow button. To skip the
calibration option press the MENU key to move to the next option or press BACK to
return to normal display mode.
The low water level is set at zero. Remove the level sensor from the water and press
SAVE to store the raw data number for the zero level sensor output. In the case of an
ultrasonic sensor, place it at a distance from a target equivalent to the zero water level
point. Press MENU to move forward to the High Level option. Place the sensor at a
known depth as close to maximum range of the sensor as possible. Use the LEFT and
RIGHT arrows to select a digit to modify, then use the UP and DOWN arrows to scroll
through digits 0-9 and decimal point. Select just one decimal point if it is needed. In
this manner change the High Level numbers to match the depth of the sensor. Use the