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Deleting files:
Select the file with
. Delete the file with the arrow key
►.
A warning asking whether you really want to delete the file
will be displayed. Press the confirmation key
in order to
confirm. The arrow key
◄ leads you back to the "Files"
menu.
Opening a file and displaying it as a graph:
Select the file with
.
Confirm your selection with
. The file will be opened and
displayed as a graph in the landscape format.
The graph can be retraced by way of the arrow keys
◄►.
The green crosshairs on the graph indicate the current posi-
tion. The pair of values of the graph is also displayed in
green. When the last measuring point is reached, a new
segment of the graph will be displayed automatically. You
can exit the graph with
and return to the file selection
window (Fig. 20
). ▲▼ can be used to change the measuring
channel.
5.4.5
Zero (3)
This menu item enables the measurement values of the
measuring channels to be manually reset to zero.
To do so, the switches of the desired channels are set from
off to
on by way of the arrow keys
◄►
(Fig. 20).
You can exit the submenu and return to the menu by way
of
.
5.4.6
Calibration (4)
In the case of the one-point calibration (4.1), the value that is
currently measured via a channel (actual) is shifted to an-
other value (set) by way of a constant (Fig. 23).
In the case of the two-point calibration (4.2), each of the two
values that are measured is assigned to a new value.
Before the new calibration data are stored in the sensor, an
"attention" message is displayed. Confirming the message
with
stores the values, whereas
◄ cancels the storage.
Fig. 21: Representation of a file in the form of a graph
Fig. 22: Display of the submenu "Zero" for the Cobra4 Mobile-
Link 2
Fig. 23: Display
of the submenu "Calibration" for the Cobra4
Mobile-Link 2
Zero
Menu
ax
0.00 g
ay
0.34 g
az
0.00 g
Menu
One Point
Menu
Channel
G
Ref. -0.1
μS/cm
Actual 0.3 μS/cm
Menu > Calibration
2
1
0
-1
-2
ax / g
t / s
1 2 4 5 6 7 8 9 10 11
Acceleration
0.95 g
0.8 s
