Topcon DL-501 Instruction Manual page 28

5. USING THE BATTERY
PROCEDURE Using the Battery adapter
Insert the BDC46C into the battery adapter (SB178). The battery can now be mounted in the same
way as the BDC58/70.
1. Align the notch in the BDC46C with the SB178
as shown at right. With the terminals-end of
the battery inserted, push until the battery
adapter is fully extended.
2. Slot the top end of the battery into the battery
adapter. The extendable portion of the battery
adapter will automatically retract and hold the
battery in place.

• To remove, grip both sides of the battery towards
the terminals-end and pull out.
• It is possible to charge the BDC46C without
removing from the battery adapter.
20
Battery notch