Casio DT 9721CHGE User Manual

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Battery Charger  
DT-9721CHGE  
User’s Guide  
Be sure to read “Safety  
Precautions” inside this  
guide before trying to use  
your Battery Charger.  
After reading this guide,  
keep it in a safe place for  
future reference.  
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Safety Precautions  
Warning  
Dropping and Damage  
Should you drop the Battery Charger and damage it, immediately unplug the  
AC plug from the wall outlet and contact your original vendor or an  
authorized CASIO service provider. Continued use creates the danger of fire  
and electric shock.  
Moisture  
Keep loose metal objects and containers filled with liquids away from the  
Battery Charger.  
Also, never connect the Battery Charger while it is wet. Water getting into  
the Battery Charger creates the danger of fire and electric shock.  
Supplied Lithium-ion Battery Pack  
If the battery pack does not achieve full charge after the normal charging  
time has passed, stop charging. Continued charging creates the danger of  
battery pack heat emission, explosion, and fire.  
Caution  
Location  
Do not locate the Battery Charger on a surface that is unstable or uneven.  
Doing so creates the danger of the Battery Charger falling, which can cause  
personal injury.  
Do not locate the Battery Charger in an area subject to large amounts of  
humidity or dust. Doing so creates the danger of fire and electric shock.  
Heavy Objects  
Never place heavy objects on top of the Battery Charger. Doing so creates  
the danger of loss of balance and the objects falling, which can cause  
personal injury.  
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AC Power Supply  
Warning  
Do not plug in the Battery Charger to a wall outlet with an AC voltage  
other than the specified voltage. Also, do not plug in the Battery Charger to  
a multi-plug power strip. Doing so creates the danger of fire and electric  
shock.  
Avoid conditions that can cause damage or breaks in the power cord. Do not  
place heavy objects on the power cord and keep it away from sources of  
heat. Any of these conditions can damage the power cord, creating the  
danger of fire and electric shock.  
Never modify, sharply bend, twist, or pull on the power cord. Doing so  
creates the danger of fire and electric shock.  
Do not connect the Charger to a multi-plug power strip. Doing so creates the  
danger of fire and electric shock.  
When using the Battery Charger, be sure to use the dedicated power cord  
only. Use of other power cords creates the danger of fire and electric shock.  
Should the power cord become severely damaged (to the point that wires are  
exposed or broken), contact your original vendor or an authorized CASIO  
service provider about repair or replacement. Use of a damaged electrical  
cord creates the danger of fire and electric shock.  
Caution  
Keep the power cord away from stoves and other sources of extreme heat.  
Heat can melt the covering of the power cord and create the danger of fire  
and electric shock.  
Never pull on the power cord when unplugging it. Doing so can damage the  
cord and create the danger of fire and electric shock. (Always hold the plug  
when unplugging it from the wall outlet.)  
Never touch the plug while your hands are wet. Doing so can create the  
danger of electric shock.  
Be sure to unplug the power cord from the wall outlet before moving.  
Failure to do so can result in damage to the power cord caused by pulling on  
it, which creates the danger of fire and electric shock.  
Be sure to unplug the power cord from the wall outlet before cleaning the  
Battery Charger.  
Be sure to turn the power off and unplug the power cord after use.  
For safety reasons, unplug the power cord from the wall outlet when not  
using for a long period of time.  
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Safety Precautions  
Maintenance  
Caution  
At least once a year, unplug the Battery Charger from the wall outlet and  
clean any dust that builds up between the prongs of the plug.  
Dust built up between the prongs can lead to the danger of fire.  
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GUIDELINES LAID DOWN BY FCC RULES FOR USE OF THIS UNIT IN THE U.S.A. (not  
applicable to other areas).  
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions:  
(1) This device may not cause harmful interference, and (2) this device must accept any interference  
received, including interference that may cause undesired operation.  
NOTICE  
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant  
to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful  
interference in a residential installation. This equipment generates, uses and can radiate radio frequency  
energy and, if not installed and used in accordance with the instructions, may cause harmful interference  
to radio communications. However, there is no guarantee that interference will not occur in a particular  
installation. If this equipment does cause harmful interference to radio or television reception, which can  
be determined by turning the equipment off and on, the user is encouraged to try to correct the interference  
by one or more of the following measures:  
• Reorient or relocate the receiving antenna.  
• Increase the separation between the equipment and receiver.  
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.  
• Consult the dealer or an experienced radio/TV technician for help.  
FCC WARNING  
Changes or modifications not expressly approved by the party responsible for compliance could void the  
user’s authority to operate the equipment.  
Proper connectors must be used for connection to host computer and/or peripherals in order to meet FCC  
emission limits.  
CASIO Europe GmbH  
Bornbarch 10, D-22848  
Norderstedt, Germany  
Please keep all information for future reference.  
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Using the Battery Charger (DT-9721CHGE)  
The Battery Charger can be used to charge the battery pack (DT-9723LI).  
1. Connect the power cable to the Battery  
Charger, and then plug the cable into an  
electrical outlet.  
2. Attach the battery back by sliding in the  
direction indicated by the arrow. The  
CHARGE indicator lamp (orange) lights  
after a few seconds and charging begins.  
Charging is completed when the CHARGE  
indicator lamp goes out.  
Charging normally takes about 3  
hours(when recharging the battery pack  
after it has been completely discharged).  
Charging time may vary depending on the ambient temperature and condition of  
the battery pack.  
The CHARGE indicator lamp lights once when a battery pack has been attached  
that has already been charged.  
Important!  
Securely attach the battery pack to the Battery Charger.  
Charge the battery pack in a location that is free of vibrations.  
If the CHARGE indicator lamp does not light at all or does flash when a battery  
pack has been attached, this indicates the possibility of a malfunction either in the  
Battery Charger or battery pack. Please contact the store where you purchased  
the product or an authorized CASIO service provider.  
Only use the power cable provided with the Battery Charger (included).  
The following power cables must be used according to safety standards in the  
USA and Canada in particular. The power cable included with the Battery  
Charger satisfies the following criteria.  
For USA and Canada  
Use only CSA/UL Certified power supply cord set. Polarized Type, Type SPT-2  
or heavier minimum No. 18 AWG copper, rated 125 or 250V, minimum 1A,  
minimum 6 ft (1.8m), maximum 10 ft (3m) long.  
For other countries  
Must comply with requirements set out by the Safety  
Approval/Certification Organization in each country of use.  
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Removing the Battery Pack  
Slide the battery pack in the opposite direction from that when it was attached to  
remove it from the Battery Charger.  
Battery Charger (DT-9721CHGE) Specifications  
1. Charging  
Charging System: Constant voltage - Constant current  
Charge Time: Approximately 3 hours until the LED goes out  
2. Charging Indications  
During Charging: The CHARGE indicator lamp in orange lights  
At Completion of Charging: Approximately 90% charged when the LED goes out  
Charging in full will require another 1 hour approximately after the LED went out  
3. Dimensions and Weight  
Dimensions: Approximately 56 × 44 × 107 mm  
Weight: Approximately 140 g  
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MEMO  
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CASIO COMPUTER CO., LTD.  
6-2, Hon-machi 1-chome  
Shibuya-ku, Tokyo 151-8543, Japan  
PN410385-001  
Printed in Japan  
MO0410-XXXX01A  
Printed on recycled paper.  
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