User Manual
Operators Guide
18
4. Fit a replacement CR 2032 3V battery in the compartment, ensuring that the positive
side (+) of the battery faces outermost and that the ribbon is correctly positioned.
5. Replace the battery cover and tighten using a coin or flat-blade screwdriver.
6. Press the bubble level illumination button and verify that the bubble level lights up. It
should be lit for approximately 25 seconds.