..........4 5. CHARGING ......................5 6. TROUBLESHOOTING ................... 6 7. SPECIFICATIONS ..................... 6 Accessory ........................6 Thank you for purchasing TOA’s Battery Charger. Please carefully follow the instructions in this manual to ensure long, trouble-free use of your equipment.
• Never plug in nor remove the power supply plug the power supply plug from the AC outlet and with wet hands, as doing so may cause electric contact your nearest TOA dealer. Make no further shock. attempt to operate the unit in this condition as this may cause fire or electric shock.
• Consult the dealer or an experienced radio/TV technician for help. 2. GENERAL DESCRIPTION The TOA BC-920 is a dedicated battery charger for BP-920 and BP-900A lithium-ion batteries used in the TS- 821 and TS-921 Chairman units, and TS-822 and TS-922 Delegate units of TOA's Infrared conference system.
4. NOMENCLATURE AND FUNCTIONS Battery receptacle Insert the lithium ion battery into this receptacle. Charging status indicator [RED-CHARGING, GREEN-FULL] Continuously lights red during charging. Lights green after charging is completed. Power switch [POWER, ON/OFF] Power is switched ON when this switch is set to the ON position, and switched OFF when set to the OFF position.
5. CHARGING BP-920 or BP-900A Lithium-ion battery Power cord (supplied Charging status indicator with the BC-920) (Red/green) AC adapter (supplied Power switch with the BC-920) Power input terminal BC-920 Battery charger Step 1. Connect the power cord to the supplied AC adapter.
ON. The fuse has blown off. Have the fuse replaced. Contact your TOA dealer for replacement. The charging status indicator The lithium-ion battery is not Insert the lithium-ion battery fully (red) does not light even if the correctly inserted into the battery into the battery receptacle.
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