3M AcoustiCal AC-300 User Manual - Battery
2
Battery
AcoustiCal User Manual
Battery
A 9-volt battery is used to supply power to the calibrator.
Low Battery
At a low battery condition, the low battery indicator will appear. If the battery
level becomes too low, the calibrator will power off.
Changing the battery
The battery door is located on the top of the calibrator. You will need a
Phillips screwdriver to change the battery.
1.
Loosen the screw on the end of the calibrator with a screwdriver.
2.
Lift the battery door off of the calibrator and remove the battery.
3.
Replace the battery it according to the polarity diagram inside the unit.
4.
To re-insert the battery door, place the battery door over the battery
compartment ensuring that the foam pad is positioned over the battery
(see Figure 2).
Figure 2: Re-inserting battery door
5.
Using your index finger, push the battery door into the slot of the housing.
(See Figure 3).
Figure 3: Closing battery door
6.
Press the battery door into position and fasten the screw.
Battery door
Foam pad
Screw
Battery door
Slot