Lacerta M-Gen User Manual page 33

Date and time screen
5.1.4.3
You can set the realtime clock and date here.
The format is displayed on the screen: year-
month-day and hours:minutes.
The seconds are also displayed but can't be
changed. After setting a new date the device
checks it and limits the day value. Always
recheck the displayed date after changing it.
This screen apears right after power-on (from Firmware 01.21). If the filesystem is to be
used set the date and time properly, timestamps will be instered into the file.
Note: changing the date ant time items takes place immediately. If a file is open and data
is being stored into it the timestamps will change suddenly causing the data flow getting a bit
confused. Only set a new date or time when no file is open or do it properly only once after
power-on.
Filesystem's screen(s)
5.1.4.4
This screen is for showing and controlling the
files. After startup and the date and time setting
screen this screen appears. If You don't want to
store data into file press ESC again to exit into
main menu. (The meaning of the files can be found
in 4.4.)
Files list screen: (the screenshot above)
There can be 16 file entries at a time. The list of the used file entries is shown in the first 6
rows of the screen. If there are more than 6 of them the list could be scrolled, an up- or
downward triangle shows on the left where the list can be srolled.
The content of the rows:
 Date and time of creation. Might makes the identificaton of files easier.
 At right (optionally) a sign about the state of the file. These can be:
o L: this file is the last opened one (there is no open file)
o OP: this is the currently open file
o *: the file is broken (has error). (Can not be opened, but a part of its
At the bottom (above the functions of the buttons) the free memory is displayed in
kilobytes and in percentage of the whole memory. (This is not refreshed, shows the state at
entering this screen.)
content may be donwloaded.) This can occur when an open file has
not been closed or written properly, for example at a sudden power
loss. (Checking the type of the error the PC application can be used.)
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