Functions and displays
48 | EN
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 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
Green right LED flashes eight times
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)