2. System Description LB 124 Scint
10
Bottom line (black shading):
Here the menus or functions are displayed that can be selected
via the keys under the display (so-called softkey functions.
Softkey functions). On the Measurement Menu, the four func-
tion keys in the center have the significance that is assigned to
them via the softkeys above.
System menu On the System Menu, the menus and functions that can be se-
lected are displayed, and parameters can be edited.
The selection and the parameter input takes place via the push
keys. The functions of the individual push keys can be seen
from their respective labels. See chapter 4.1.
Softkey buttons
2.2.2 Function Keys
The operation of the device and the software takes place via six
push keys with the respective function names. The 4 keys in the
middle have additional functions on the Measurement Menu;
these functions are assigned to them via the softkeys above
them (this is made clear by means of the vertical lines). The
softkeys are indicated in the bottom line of the display (black
shading). See chapter 4.2.
2.2.3 Alerts
LED displays The LED’s on the foil keyboard indicate the following states:
Left LED Alert: the threshold has been exceeded
Right LED When a button has been pressed, this LED is lit as long as the
processor is busy with the actuated function.
Acoustic signal When the threshold is exceeded, an alarm signal sounds (if set
on the Parameter menu). The red LED (on the left) is flashing.
On the Parameter menu you can choose visual, acoustic or
vibration as signal type.
Battery exchange When the battery/rechargeable battery voltage indicated after
power on of the device is below 3V for batteries and below 3.5V
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