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Step 1 - measure the cranial circumference
With a measuring tape, measure the largest circumference of the patient's head, that is, the most prominent part at the back of the head (occipital) and just above the eyebrows (supraorbital ridges).
Step 2 - choose the correct headband stripe
According to the measured head circumference, choose between headband 1 and 2 according to table bellow. If you cannot find the desired size, follow procedure 6.2.4, with the extra tape provided
Code | Size | Head circumference |
531020052 | Headband stripe 1 | 16 1/2 - 21 5/8 in |
531020053 | Headband stripe 2 | 19 5/8 - 24 3/4 in |
| Tip |
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TIP - Most adults will need Headband stripe 2 |
Step 3 - slide the headband through the sensor latches
If the external battery is installed, remove it by pressing the side buttons pulling upwards as shown in the figure bellow.
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Slide the selected headband stripe through the sensor notches as shown in the figure bellow. Replace the external battery in the sensor by pressing the side latches and releasing them when the battery is positioned correctly.
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Sliding the headband through the sensor notches
Step 4 - attach the turnbuckle on the headband stripe
Close the headband by snapping the turnbuckle into one end of the strap according to the figure bellow
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Turnbuckle latching to the headband stripe
Step 5 - adjust
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rough headband size
Choose which snap-on button to use according to the measured circumference and sizes from table bellow. Pull the end of the band, place the snap-on at the appropriate size, and press onto the desired one until you hear a click.
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The final assembly of the headband should resemble the image in Figure 6.2.3-6.below
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Final assembly of the headband.