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Maintaining Power Sources
How to Change Batteries on the Instrument
Rechargeable battery (BT-67Q)
Installing
1 Insert Ni-MH BT-67Q battery pack into the DB-75C battery holder.
2 Insert the battery pack into the instrument and turn the battery cover knob to “LOCK”.
Charging
1 Plug the AC/DC converter AD-11 into the DB-75C
battery holder.
2 Plug the converter power cord into the appropriate
AC outlet.
3 When charging is complete (after approximately
seven hours), unplug the converter from the
connector on the DB-75C battery holder.
4 Unplug the converter power cord from the AC
receptacle.