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Primary and secondary displays
Both displays are touch enabled. They can be arranged to show the same or different content. You can also
set the same content to be displayed across the screens.
Note: You can use the accompanying external keyboard (Yoga Book 9 BT KB) on top of the secondary
display. The screen will display different widgets depending on where you place the keyboard (upper or
lower section of the display).
Speakers
Converts electrical signals into sound.
ToF (time-of-flight) sensor
The ToF sensor emits an infrared laser and uses the reflected infrared energy to measure the distance of an
object. Apps can use the data to detect human presence and recognize gestures.
Note: The infrared light emitted by the ToF sensor is invisible to the human eye.
Infrared LED
Emits infrared light to help detect and recognize a person's face.
Infrared camera
The infrared camera detects infrared light emitted by the infrared LED and reflected by a human face.
Camera
The integrated camera can be used for:
• video chatting
• video conferencing
• video recordings
If your PC supports face authentication, the camera is also used for face recognition.
Camera light
Indicates whether the camera is activated.
Table 1. Camera light status and description
Camera light status
On
Off
Laser safety information
This device (ToF sensor) is classified as a Class 1 laser product per EN/IEC 60825-1:2014. This device
complies with FDA performance standards for laser products except for conformance with IEC 60825-1 Ed.
3, as described in Laser Notice No. 56, dated May 8, 2019.
CAUTION:
2
User Guide
Description
The camera is activated.
The camera is not activated.
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