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3. Connect the clear connector of Soda Lime Kit to the red connector of Tube-A (3 in Figure 94)
Figure 93. Soda Lime Kit connected to Tube-A.
4. Press Ok (see Figure 92 b). A pop-up with the procedure progress appears, see Figure 92 c.
Tip ►The Soda Lime kit removes acid gases, and CO2 from air.
Note ► The Soda Lime kit has to be replaced when the Soda Lime filter changes color turning purple. Contact
Okolab to purchase a new Soda Lime kit.
Figure 94. How to connect LEO during a CO2 Zero Reset procedure with Air.
The CO2 Zero Reset procedure takes 15 minutes, the remaining time is shown on the display during the
procedure (see Figure 92 c).
At the end of the CO2 Zero Reset procedure with Air, a pop-up message is shown as in Figure 95. Press Ok
to return to the CO2/O2 Calibration page.