Geometrics MagArrow, User Manual

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2. Grasp the sides of the battery at the cutouts provided, and then lift up as shown in the
figure above.
3. Locate the spare yellow connector and plug in the new battery pack while the depleted
battery is still connected.
4. Unplug the depleted battery pack from the yellow and white connectors.
5. Plug the white voltage monitoring connector to the connector on the new battery pack.
6. Put battery and connectors into the space provided.
7. Turn the system ON before replacing the battery compartment cover (see next section
Powering On/Off).
*Note: The MagArrow is equipped with internal electronics so that the unit automatically draws power
from whichever battery is more fully charged. The MagArrow will automatically shut down when the
battery voltage gets too low for proper operation, about ~30%.
Powering On/Off
There is a black Power button located inside the battery compartment. The button has a smooth round
top about 5mm in diameter and requires little force. It is used to Power On, Power Off, and Reset the
system.

To Turn On – With the battery compartment door off, fully press, and then release the black
Power button. The LED lights on the underside of the system will immediately flash twice when
the power button is pressed.

To Turn Off – Press and hold the power button for 3 seconds. The LED lights will to flash rapidly
for the 3 seconds before the system completely shuts down.

Replace the battery compartment door. It is best to place the 3 screws in loosely, tightening
them all just to the point of resistance. Then, do a second pass to torque them. This way no side
stresses are built in.