Replacing the batteries on Metallic Series rowers equipped with either the S4 Monitor or S4 Bluetooth Monitor is simple. You’ll need 4 AA batteries (use alkaline, not rechargeable ones) and a Phillips screwdriver.

Step 1
Remove screws (2) fastening the Battery Cover at the rear of the monitor as shown.

Step 2
Remove the Battery Cover as shown.

Step 3
Remove the Batteries as shown. Pay attention to how the batteries are oriented inside of the monitor while doing so.

Step 4
Replace the Batteries as shown, in the same orientation as the batteries removed in Step 3.

Step 5
Replace the Battery Cover as shown.

Step 6
Replace the screws (2) fastening the Battery Cover at the rear of the monitor as shown.