dosemeter User Manual
Page 50
Changing the RK1 Keyfob Battery
When the red indicator of the Keyfob becomes dim, the internal battery requires
changing.
Carefully remove the small screws on the back of the Keyfob, and lift off the back. Slide
the battery out and replace with a Lithium battery type CR2025. This is not a
rechargeable battery.
Ensure that the PCB is located correctly within the case and replace the back cover.
Replace the two screws and secure the case.