YSI 6 series User Manual page 161

650 MDS Section 3
The user attaches the 6920 sonde to a 650. After turning on the 650, the user selects Sonde menu from the
650 Main menu and presses Enter to display the Main sonde menu.
The user then selects Run from the sonde Main menu and Discrete sample from the Run menu, pressing
Enter to confirm each selection.
To set up the desired study parameters, the user uses the 650 keypad to change the Sample interval from 0.5
seconds to 16 seconds and inputs custom file (PROFILE1) and site (WEST LAKE) designations.
The user then highlights Start sampling and lowers the instrument into the water to begin the study. The data
displayed on the screen is updated every 16 seconds. The user then highlights the Start logging selection in
the sonde logging window in the upper right of the display and presses Enter to begin logging data to sonde
memory. The message in the sonde logging window changes to Stop logging, indicating that logging has
successfully been activated.
YSI Environmental Monitoring Systems Operations Manual 3-31