Maeda MK0003, Service Manual, Page: 287 / 348

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4.3 CHARGING METHOD OF BATTERY
To charge the battery, use only the supplied battery charger.
• Use the battery charger only for charging of the battery described on the model label.
• Do not charge the battery in an explosion hazardous area under any circumstances.
• Use the battery charger only under the voltage condition described on the back.
• Do not use the battery charger outside the described temperature range.
• Protect the battery charger from overheat, dust, humidity, etc.
• Do not cover the battery charger with an object during charging.
• Pull the battery charger out of the power supply when not in use.
• If any damage is found on the battery charger body or its cord, stop using it at once.
• Do not modify or change the battery charger or cord.
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• The battery capacity depends on the number of years used and environmental temperature. The
capacity decreases when the battery becomes old.
The battery capacity decreases substantially at 0C° or less and at 40C° or above.
• Be sure to charge the battery before the initial use or when at least 6 months have passed since the last
use. The whole capacity can be used from around the time when the battery is discharged and charged
3 to 5 times.
• Charge the battery at ambient temperature of 0 - 40C°.
• Charge the battery when the status LED (D1) flashes in red and an intermittent signal sound starts to
sound.
• To avoid overdischarge, charge the battery fully before long-term storage. Be careful not to leave the
battery standing for 6 months or longer.
• Keep the battery at room temperature.
• Use a supplied protective cap at the time of storage and never allow the battery to be short-circuited.
• When the battery is correctly used, it can be charged and discharged 500 times or more.
• When the overdischarged battery is charged, red LED illuminates for a few seconds before charging
starts (orange LED comes on).
Charge the battery of the Transmitter in the procedure described below.
1. Install the battery (B2) to the charging case (B5) while pushing it.
Connect the battery charger (B1) to the cord (B3) and insert the cord
plug into the power supply (100-240V AC).
3. The battery charger LED (B4) illuminates in orange and charging starts.
4. When charging is completed (after 1 - 2 hours), LED (B4) turns into
green.
5. After charging is completed, disconnect the cord plug from the power
supply.
NOTES
• The charging state is displayed in the following 3 LED lamps.
Green LED: Illuminates when charging is completed.
Orange LED: Illuminates during charging.
Red LED: Illuminates when the battery is overdischarged or
fails.