Denso CU-7011 User Manual page 19

■ Charging Operation and BHT's Indicator LED
Operator's Action
Place the BHT
on the CU-7011.
⇓
After approx. 6 hours
⇓
Remove the BHT.
The charging time is approx. 6 hours if the "Charge the battery!" message is
displayed on the BHT. The battery cartridge not discharged so much will be fully
recharged in shorter time.
CU-7011 Status
On standby
⇓
Normal charging
⇓
Charging completed
⇓
On standby
9
Indicator LED on
the BHT
OFF
ON
(in red)
ON
(in green)
OFF