Koden CVR-010, Operation Manual

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CVR–010
Basic Operating Instructions
33
7.7. Retrieving Soundings Data History
7.7.1. Introduction
･
The equipment automatically stores depth, UTC date and time, maximum depth range
used, and position data
* 1
for a 12–hour period at intervals of two seconds.
･
The following instructions enable the user to retrieve such data via an on–screen
graphical user interface called the “
HISTORY ” window.
* 1
:
LAT / LON coordinates data will be stored when an appropriate GPS sensor is plugged into the rear–panel I/O data
connector.
7.7.2. Displaying History Window
･
To display the HISTORY window, simply press

. It will show up over the echogram
display, as in the example below.
･
A second keypress
* 2
turns the window off.
･
The rest of the keys can be normally used to perform their assigned functions while the
window is being opened.
* 2
:
Pressing

also closes the window.
Figure 7-24 Echo Sounder Screen with HISTORY Window Opened – Example
･
A close–up view of a typical window is given in Figure 7–25.
･
Data registered over the time scales of past 5 minutes,15 minutes, 30 minutes,1 hour, 2
hours, 3 hours, 6 hours and 12 hours can be retrieved.
･
The history of depth soundings will be displayed graphically relative to the above time
scales as well as digitally via the procedures detailed in the following paragraphs.
･
Once shown in the window, the data will not be automatically updated, though the
current data will be continuously stored in memory.
･
To update the data in the window, close the window first by pressing

(or

)
and
then open it again by pressing

.
HISTORY
window