47
Note:
1) It can be charged while using the laser.
2) The BT-49Q rechargeable battery can be charged when removed from laser.
3) When the BT-49Q rechargeable battery is taken off from the DB-49 battery holder, the
instrument can be used with dry batteries instead of BT-49Q.
Note:
1) Recharging should take place in a room with an ambient temperature range of 10°C to
40°C (50°F to 104°F).
2) The battery source will discharge when stored and should be checked before using with
instrument .
3) Be sure to charge stored battery source every 3 or 4 months and store in a place at 30°C
or below. If you allow the battery to be completely discharged, it will have an effect or fu-
ture charging.
4) Recharging of the BT-49Q may sometimes be complete within 9 hours because of its re-
maining capacity.