VDW nuve DirectFREEZE DF 290, Инструкция по эксплуатации

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When the temperature sensor is broken, “–“appears in the temperature column since
temperature cannot be read by the sensor.
“History (GRAPH)” submenu is selected on the memory page by the value increase (F1) and
decrease (F2) keys. “Select Record Date” page appears when enter key (F4) is pushed. Enter a
date to analyze corresponding operation and then push the enter key (F4). You can analyze the
data in the graph. The data belonging to the other dates can be followed by using left (F2) and
right (F3) keys. Push the backspace key (F4) to return the previous page.
The page on the left appears when the
settings key (F1) is pushed on the graph
page. Temperature axis (y-axis) can be
adjusted
on this page. Working
temperature determines the midpoint of
the temperature axis. The working
temperature value should be close to the
set
temperature value for more
comfortable observation. Sensitivity value
is the difference between two values on
the y-axis. As the sensitivity value getting
smaller, a more detailed graph appears.
EXTERNAL MEMORY (USB STICK)
USB Stick is connected to USP port-1 of the communication unit (Figure 2). “ ” appears on
the operating mode screen when the USB stick is identified by the microprocessor system.
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If does not appear on the screen, USB stick may be defective or may not be
connected correctly.
When “USB Stick” submenu is selected on the memory page, there are three options: “Copy
History”, “Instant Record” and “Copy Failure History”.
Copy History: As USB stick is connected to the device, all data in the internal memory is
transferred to USB stick when “Copy History” is selected. When loading bar shows 100%, push
the enter key (F4) to exit the page.
Instant Record: As USB stick is connected to the
freezer, the page on the right appears when
“Instant Record” is selected. The period of the
record time can be selected by using the value
increase (F1) and decrease (F2) keys. As soon as
the enter key (F4) is pushed, recording starts and
the display returns the main page. If you want to
exit this page without starting to record, push the
backspace key (F3). You can remove USB stick
when you want to finish the record process.