Canon CXDI-80C Service Manual page 27

Remaining charge level at power-on posted only once
Voltage
Note: Depending on the charge status, this level may not necessarily be 100%. 電源投入時の残容量を1回のみ通知
注：充電状態により100%とは限らない
LV2
LV1
3V/Cell
2.5V/Cell
* BMU corrects the remaining charge level prediction line from the actual remaining charge
level when the remaining charge level is predicted to be 8%. If the actual remaining charge level
(voltage level) when the remaining charge level is predicted to be 8% is higher than the
prediction, the gradient of the remaining charge level prediction curve is increased. Conversely,
if it is lower, BMU works to correct the gradient so that the prediction curve gradient is reduced.
Therefore, if charging and discharging are repeated at shallow remaining charge levels which
fail to reach the remaining charge prediction of 8%, the compensation described above is not
performed and, along with the deterioration in the battery capacity caused by the repeated
charging and discharging, the accuracy with which the remaining charge level is predicted may
suffer as well. What is ideal is for the battery to be used to below the 8% remaining charge level
(at which imaging is no longer possible) each time the battery is used but, in practical terms, it
is recommended that the battery be used to below the 8% remaining charge level once every
several times the battery is charged and discharged.
1 . O v e r v i e
1 . O v e r v i e
Remaining charge level of 59% posted
only once
残容量59%を1回のみ通知
Remaining charge level of 8% posted only once
残容量8%を1回のみ通知
Remaining charge level of 4% posted only once
Time
- 19 -
w
w
残容量4%を1回のみ通知
100%
59%
8%
4%
0%