HyQual Multi-probes User Manual v3, 08.07.2022
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“AutoSnap” refers to automatically capturing data, with the data stored in your Display. If you are run-
ning a short-term experiment or are monitoring site for a few hours, AutoSnap will take a series of snap-
shots at the same interval as that you set for the interval between lines of rolling data.
5.1.1
Using Snapshot and AutoSnap
All of the user-interface versions have Hot Buttons for Snapshot and AutoSnap on the Home Screen.
Simply press the button for the feature you wish.
You can change the file name you’re using for Snapshots and
AutoSnap
(they’re in the same file) any
time you wish.
5.1.2
LOGGING
5.1.2.1
Setting the Logging Interval
Go to the Logging section of your user-interface and follow the menu to set the Logging interval.
5.1.2.2
Activating Logging
To initiate Logging, you must tell the HyQual probe that you want it to start logging. All of the user-in-
terface versions have a Hot Button for turning Logging on, or off, on the Home Screen. Simply press the
button to toggle between Logging ON and Logging OFF.
The Setup function for Logging lets you name your Logging file, and set the logging interval (time be-
tween logged lines of data).
Figure 1
–
Switch Logging ON or OFF
Once Logging is ON, supply the HyQual probe with power to start Logging. For convenience, you may
wish to take a Display to the field so that you can activate Logging right before you place the HyQual
probe in the water.
Please be aware that the blinking green LED communicates that you have adequate voltage to begin log-
ging, and the blinking red LED (once you power up) that Logging is properly enabled.
5.2
Set Barometric Pressure
The HyQual probe needs to have information about the local Barometric Pressure (BP) when calibrating
DO
. To calibrate BP, open the Calibration menu, select “Set BP”, and type in the correct value (in mm
Hg) in the first box on the screen.
If you do not have information about the BP, you can set the approximate BP by typing your altitude (in
feet) in the second box. Please notice that if you type in BP, altitude is automatically calculated, and
vice-versa. The third method for setting BP is asking the HyQual probe the value (if the HyQual probe is
equipped with a non-vented Depth sensor). If you choose this method, the correct values will automati-
cally appear in the BP and altitude boxes.
