Nuvo INVU Quick User Manual page 27

Figure 5-2. Positioning the INVU Sensor Band™ (note the logo at the top)
5. Slide your hands along the back strap and secure it by closing the
back buckle. You should hear a click sound (see Figure 5-3).
Figure 5-3. Closing the back straps
Before letting go, adjust the band by pulling both back straps to the
sides simultaneously, then pull each strap separately to tighten.
Figure 5-4. Adjusting the back straps
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