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Functions and displays
Functions and displays
Software version displayed by LEDs
The software version of the sounder is indicated by the LEDs immediately after the power supply is
connected.
The tamper switch must be open.
Note
• The red left-hand LED indicates the major software version.
• The green right-hand LED then indicates the minor software version
• The yellow LED in the middle then indicates the variant.
Example:
Red left LED flashes once
Yellow middle LED flashes four times
Software version "1.08.04"
Battery status displayed by LEDs
If the red and yellow LEDs flash alternately immediately after displaying the software version, this
indicates a battery power supply fault.
• No batteries have been inserted
• Or the batteries have a voltage < 4,4 V (normal batter voltage is 6 V)
To restart, remove the power supply and insert good-quality batteries (> 4,4 V).
Note
The sounder will not be restarted without completely shutting down.
Danger
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Green right LED flashes eight times
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