E-20
Charging the Battery Pack
You can charge the battery pack while it is installed in the DT-X400 using the optional USB 
cradle, Ethernet cradle or multiple battery charger. Check charging status LED to confi rm 
DT-X400 charging status.
You can also use the USB cradle, Ethernet cradle or dual battery charger to charge the battery pack.
USB Cradle, Ethernet Cradle
AC Adapter
 
AD-S50400A
 Charging the battery pack installed in the DT-X400
DT-X400 Charging status LED display
Orange:  Charging
Green:  Charging complete
Red:  Standby due to battery pack error or 
because the ambient temperature is 
outside the charging temperature range. 
(Charging begins when the temperature 
returns to the charging temperature range.)
Orange fl ashing: Charging (DT-X400 cannot start up 
because the charge remaining in the 
battery pack is too low. Wait until the 
charging status LED stops fl ashing and 
lights orange.)
   Charging the battery pack
•  Slide the battery pack into the recess in the cradle 
and so that the battery pack terminals are aligned 
with the battery pack power contacts.
Cradle charging status LED display
Red:  Charging
Green:  Charging complete
Red/green alternate fl ashing: Standby because the battery 
pack is faulty, is installed 
incorrectly or is outside the 
charging temperature range
  (Charging begins when 
temperature returns to the 
charging temperature range)
Precautions for Use
• Take care not to trap objects such as the strap in the cradle.
• The power/data communication terminal and the battery pack power contacts 
should be cleaned periodically using an implement such as a dry cotton bud.
Soiling or dust buildup could cause connection problems.
Align