Funkwerk FT4 Operating Manual page 64

60 First steps
Charging the battery
The indicator light on the charger indicates the charging status of the spare battery.
Indicator light of "Desktop Charger II FT4" charger
Meaning of charger indicator light
Colour Status
OFF
yellow lit
red flashing
lit
green lit
Meaning
The charger is not connected to mains.
The spare battery is not inserted.
The spare battery is defective or is not properly inser-
ted.
The spare battery is being charged. If the radio set is in
the charger, the charging process of the spare battery
starts as soon as the battery in the radio set is fully
charged.
The spare battery is fully charged. This indicator is
independent of the charging status of the radio set in
the charging set.