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5
Structure and function
Setup
30
Building Technologies
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Fire Safety
2013-08-15
5.2.2
Symbols
The table below lists the displayed symbols and their meaning.
Symbol
Meaning
Battery operation
The level shown in the symbol indicates the charge state of the partially
discharged batteries
Example:
Symbol on left for low battery charge state
Symbol on right for high battery charge state
External power supply (mains operation)
Cursor position displays
Down arrow Start of stub line
Up arrow End of stub line
No symbol The line device is on a loop
Shows the previous line device
Line device was removed after reading in the topology
Error/fault on a line device
Line device was replaced after being removed
Line device displays an alarm
Line device is on a sounder base
Line device on a loop or stub
Last line device on the stub
First line device on the sub-stub
Line device on a sub-stub
Last line device on the sub-stub
Single line device on a stub
Ground fault