2 operating the device, 1 structure of the touch screen, Operating the device – INFICON HLD6000 Refrigerant Leak Detector User Manual
Page 30: Structure of the touch screen

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6 Operation
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6.2
Operating the device
6.2.1
Structure of the touch screen
The display primarily works with symbols. Four symbols are always shown on the display:
the navigation keys
. You also see other symbols and elements
see "Table 6:
Function keys", page 31
depending on the context.
Fig. 10: Start screen after starting up
a Navigation keys
Four navigation keys are located in the four corners of the display. Use the navigation keys
to control the various areas and functions of the device.
To get an overview of the available options, look at the illustration of the menu trees
.
The navigation keys use different colors to show their status:
a
Navigation keys
b
Menu bar (in this case, enabled for operators)
c
Main display area
d
Status bar (in this case, gas and connected
handle
Table 5: Navigation keys
The keys can be displayed in three different colors: gray, dark blue, light blue.
– Gray: Function is disabled.
– Dark blue: Function can be activated.
– Light blue: Function is active.
– Symbol for the settings
– Change settings on the device
– Back one settings level
– Symbol for operation
– Call up measurement display