Kaito electronic KA800 - Manual (Page 8)

5
POWER SUPPLY
REPLACING THE BATTERY
1. Before taking out the battery, please turn off the unit first.
Install a new battery in 20 seconds or less, otherwise you
will need to reset clock again once you have turned on the
unit.
2. Open the battery cover.
3. Install a new battery correctly according to the battery
polarity, as it appears in the diagram below.
4. Close the battery cover and then turn on the unit.
BATTERY LEVEL INDICATION
1. Fully Charged 2. Medium
3. Low Battery, 4. Charge depleted,
please charge the unit will turn off automatically.
CHARGING THE BATTERY
Charge by the Adaptor
Recommend: Please fully charge the battery and use it to a
complete empty for the first three times in order to extend the
battery's life.