Casio DT-X400 Series User Manual page 58

Charging status LED display for the four-bay battery charger
Off :
Red:
Green:
Red/green alternate fl ashing: Standby because the battery pack is faulty, is installed
Connecting Multiple Dual Battery Chargers
You can connect up to three Dual Battery Chargers. Doing so makes it possible to supply
power to all the Dual Battery Chargers using one dedicated AC adaptor.
1. As shown in the illustrations below, remove the connector covers of the Dual Battery
Chargers you want to connect to each other.
2. Connect the two Dual Battery Chargers as
shown below.
3. Turn over the connected Dual Battery Chargers
and attach a connection bracket, securing it in
place with screws.
You can repeat the above steps to connect up to
3 Dual Battery Chargers.
E-56
The battery pack is not installed.
Charging
Charging complete
incorrectly or is outside the charging temperature range
(Charging begins when temperature returns to the charging
temperature range)
Connector covers