YSI 600DW-B Sonde - Manual (Page 133)

650 MDS Section 3
Use the arrow keys to highlight the Dissolved Oxygen selection and press Enter. Then, Use the arrow
keys to highlight the DO% selection and press Enter.
Use the 650 numeric entry keys and the right/left arrow keys to enter the current local barometric pressure.
Then, press the Enter key and observe the dissolved oxygen reading until stabilization occurs. Make sure
the Calibrate selection is highlighted in upper window.
NOTE: The current barometric pressure as read by your 650 will automatically appear as the default value
if your 650 is equipped with a barometer.
When the dissolved oxygen reading is stable, press the Enter key to confirm the calibration as indicated by
the message “Calibrated” in the header. In addition, the message in the upper window will change from
YSI, Incorporated Drinking Water Monitoring Systems Operations Manual 3-24