XO
®
4 User Guide
YB-253 Version 3.10
5
700 mm
3.3.2
Patient positioning
Head rest
The patient chair is equipped with an articulating headrest, sup-
porting the patient’s head and neck. We recommend that the
headrest be adjusted before the chair reaches its treatment po-
sition:
1 Activate a pre-configured treatment position of your choice
2 Seize the headrest cushion with your right hand
3 Release the lock switch, see Figure 7
4 Now adjust the headrest to support the patient’s neck and
head
5 When the backrest passes approx. 45 degrees, lock the
6 Now, only minor adjustments need to be made to adjust the
headrest optimally to the patient
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Figure 7 Seize the headrest
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Figure 8 Locking of headrest
3.3.3
XO 4 Lamp
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Figure 9 Activating operation lamp
If manual lamp control is required, hold your hand near to (1) for
less than one second, and the lamp turns on/off.
Change the light intensity (3 levels) by holding your hand near
to (1) for more than one second.
Please note, that the correct distance from XO 4 Lamp to
patient is 700mm, measured from front of the fan to pa-
tients mouth.
Figure 10 Correct distance for XO Lamp
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