Denso WAVE BHT-805BWB User Manual page 30

BHT-805BWB
4.
Connect the dedicated AC adapter to the DC input connector on the charger and plug the
adapter into the wall socket.
The charger Power LED (green) turns ON.
Power for the CU-821 can be obtained from a USB connection port (host computer or hub),
− Note −
however, charging is not possible while the host computer is in suspend mode. Charging is
resumed when suspend mode is exited. This can be avoided using a dedicated AC adapter to
supply power. Suspend mode is a power saving function used to temporarily put the computer on
standby when not in use.
5.
Place the BHT on the charger.
The LED illuminates in red and charging begins.
After placing the BHT on the charger
− Point −
when using the BHT for the first time or
when left unused for long periods of time,
do not remove from the charger for
approximately 10 minutes.
*When the BHT is set on the charger, the LCD screen will
momentarily turn gray.
The BHT is equipped with a back-up battery used to back-up the internal memory and calendar
− Note −
clock. The internal back-up battery is charged first when charging is commenced.
Do not remove the BHT from the charger for at least 10 minutes when using the BHT for the first
time or when using after long periods of time.
6.
The BHT indicator LED will change to green
when charging is complete.
− Point −
14
Charging takes approximately 3 hours.
Charging takes approximately 7 hours
when using the CU-821 with power
supplied via the USB port.
An only slightly discharged battery
cartridge should take this time to
become fully charged.
Red LED ON
Green LED ON