Busch-Jaeger Busch-Wachter 220 WaveLINE Manuel D'utilisation page 59

Battery change
5. Put the Busch-Watchdog
The service life of the batteries may vary strongly
depending on the type of battery and the habits
of use. As a general rule, the batteries should be
replaced after 5 years at the latest.
®
back on its base.
ENG 59