Topcon GTS-823A - Manual (Page 123)

13-1
13 POWER SOURCE AND CHARGING
13 POWER SOURCE AND CHARGING
13.1 Rechargeable Battery BT-56Q
l To remove
Remove the battery while pulling both battery fixing levers.
l To charge
1 Plug the charger into the outlet.
2 Connect the charger connector to the battery, then charging will start.
Preparatory charging will start.* (The red lamp of the charger will blink.)
When the preparatory charging is completed, the charging status will be switched to quick charging
automatically. (The red lamp of the charger will light.)
3 Charging will take approximately 2.5 hours. (The green lamp will illuminate.)
4 After charging, remove the battery from the charger.
Remove the charger from the outlet.
l To refresh
Press the refresh switch after starting charging above steps (1, 2 ), then discharging will start. Confirm
the yellow lamp illuminates.
After discharging is finished , charging will start automatically.
Time discharging battery charged fully is approximately 12 hours.
l For refreshing
Rechargeable battery can be used repeatedly by charging. If charging is repeated by the state that
capacity of the battery still left, operating time of the battery may shorten. In this case, the voltage of the
battery will be recovered by refreshing and operating time can be improved.
*About Preparatory charging
Before quick charging, the battery is charged using small amount current to measure its temperature
and voltage.
When the temperature and voltage is within a range, the charging status will change to quick charging.
The lamp of charger
Red blinking : Preparatory charging
Red ON : Charging
Red lamp will illuminate during charging.
Green ON : Charging completed
Green lamp will illuminate after completely charging.
Yellow ON : Discharging
Yellow lamp will illuminate and discharging will start by pressing the refresh
(discharge) switch.
Red quick flashing : Abnormal outbreaks
Red lamp will flash when the battery life is over or the battery is broken down.
Replace the battery to new one.
l To install
1 Place the battery to the instrument.
2 Gentry push the battery and clicks into position.
BT-56Q
BC-27BR/CR
Battery fixing
lever
AC-outlet