User's Guide

Table Of Contents
Statement
Welcome to use Lenovo W20 Wireless Transmitter
Before installing and using this product for the first time, please read all
the materials attached with the product carefully for better use of the
product. Failure to operate according to the instructions, unauthorized
maintenance, inflow of water in the product, product falling or other
accidents will lead to data loss, malfunction of system restore or other
losses. Please keep the product and instruction manual properly, operate
in strict accordance with the instructions, and back up the data in time
before operating according to the instructions.
If you fail to operate according to the instruction manual, or operate in a
wrong way due to misunderstanding, you will suffer data loss or other
losses. Please keep the product and instruction manual properly, and
operate in strict accordance with the instruction manual, and back up the
data in time before operating according to the instruction manual.
Lenovo (Beijing) Co., Ltd. has proofread this instruction manual
carefully. But we can't guarantee that this instruction manual is
completely free of any mistakes and omissions. This instruction manual
and pictures used in it are for reference only. If there is any discrepancy
between some pictures and the actual display of the product, the actual
display shall prevail. To provide better services, Lenovo (Beijing) Co.,
Ltd. reserves the right to improve and/or modify the products and
software programs described in this instruction manual and the contents
of this instruction manual at any time without prior notice.
Lenovo (Beijing) Co., Ltd.
The contents of this instruction manual are protected by laws and
regulations. Without the prior written authorization of Lenovo (Beijing)
Co., Ltd., you are not allowed to copy or transcribe this instruction
manual in any way, transmit this instruction manual in any form over any
wired or wireless network, or translate this instruction manual into any
language.
"Lenovo", "Lenovo 想" and "联想" are registered trademarks or
trademarks of Lenovo (Beijing) Co., Ltd.. If you find out any
inconsistency between the actual situation of the product and the
contents of this instruction manual, or if you want to get the latest
information, or if you have any questions or ideas, please feel free to
consult us:
Service telephone: 400-898-5234
Lenovo website: http://www.lenovo.com
Lenovo W20 Wireless Transmitter
Instruction Manual
Please read this user's guide carefully before using
the product and keep it properly
Product Introduction
Lenovo W20 Wireless Transmitter is a device that wirelessly projects the
images on computers and mobile phones to other screens. The images can
be displayed in copying or expanding mode or on the screen of the
receiving devices only. Users can use it without installing any drivers and
software. If you touch the projected image, you can control the computer.
It supports Type-C (including display signal) and HDMI interface. It can
be connected through multi-lanes and allows for free switching.
Appearance of the projector
Instructions for product use
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When using the projector to project the image on a big screen,
users should pair the projector with the big screen (electronic
whiteboard) by taking the following steps:
1. Open the big screen.
2. Plug the adapter on the projector into the USB-C adapter.
3. Plug the USB-A adapter into the USB port on the side of
the large screen.
4. Wait for the big screen to automatically pair.
5. If the pairing is successful, "Plug & Share device pairing
is successful" will be displayed on the big screen.
Note: Pairing only needs to be done once. If you change the
hotspot setting of the large screen, you need to pair again.
Product specification
product name
product model
Interface
Supporting systems
Transmission resolution
Transmission frame rate
Touch to return control
WIFI type
Wireless Transmission Protocol
Encryption
Authentication protocol
Lenovo W20 Wireless Transmitter
Lenovo W20
USB-CHDMI
Any system
1080P
30fps
Supportnterstützt
2.4G/5G
IEEE 802.11a/b/g/n/ac
AES
WPA2-PSK
Attached table
To abide by the laws, regulations and other requirements related to the restriction of
harmful substances in electronic and electrical products in China, Lenovo Company
classifies the harmful substances in this product according to components and makes the
following statement.
Name and content of toxic and harmful substances or elements in this product:
Component
name
Schadstoffe
Lead
(pb)
Hexavalent
chromium
(CR(VI))
printed circuit 
X O O O O O
Case and
accessories
X O O O O O
This table is made according to SJ/T 11364.
O: indicating that the harmful substance in all homogeneous materials of the component
is within the limit of the content specified in GB/T 26572.
X: indicating that the harmful substance in at least one homogeneous material of the
component exceeds the limit of the content specified in GB/T 26572. Components
marked with "X" in the table cannot be replaced by harmless substances due to the
limited global technology.
Printed circuit board components *: including printed circuit boards and components,
and electronic components.
Not all models of products contain all the above components.
P
P Lenovo W20
ManufacturerLenovo (Beijing) Co., Ltd.
Address: 201-H2-6, Floor 2, Building 2, No.6 Shangdi West Road, Haidian District,
Beijing
Postcode: 100085
Made in China
roduct name Lenovo W20 Wireless Transmitter
roduct model
Screen projection
Screen projection can be done through two ports, and the
steps are as follows:
1. Plug the USB-C or USB-A+HDMI plug of the projector
into the corresponding port of the laptop.
2. With the successful connection between the projector and
the large screen, the indicator light on the projector will turn
white and flash on and off.
3. Press the button in the middle of the projector to project
the screen of the laptop onto the big screen, and the indicator
light will turn white and be always on.
4. Press the middle button of the projector again to terminate
screen projection.
Mercury
(Hg)
Cadmium
(Cd)
Polybrominated
biphenyls
(PBB)
Polybrominated
diphenyl
ethers (PBDE)
Electronic products sold within the boundaries of the People's
Republic of China must be marked with this mark.
The numbers in the mark represent the environmental service life of
the product under normal use conditions.
HDMI adapter
USB-C-USB-A adapter
Button
Ring-shape indicator
USB-C adapter
USB
-
C
Usage 1
USB
-
A + HDMI
Usage 2
電波法により5GHz帯は屋内使用に限ります
FCC Warning
This device complies with part 15 of the FCC rules. Operation is subject to the
following two conditions: (1) this device may not cause harmful interference, and (2)
this device must accept any inte rference received, including interference that may
cause undesired operation.
Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
NOTE: This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference in a residential
installation. This equipment generates uses and can radiate radio frequency energy
and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause
harmful interferenceto radio or television reception, which can be determined by
turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
-Reorient or relocate the receiving antenna.
•Increase the separation between the equipment and receiver.
•Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
•Consult the dealer or an experienced radio/TV technician for help.
Radiation Exposure Statement
To comply with FCC RF exposure compliance requirements, this grant is applicable
to only mobile configurations. The antennas used for this transmitter must be installed
to provide a separation distance of at least 20cm from all persons and must not be co-
located or operating in conjunction with any other antenna or transmitter.
For Remote control
Caution:
(i) The device for operation in the band 5150–5250 MHz is only for
indoor use to reduce the potential for harmful interference to co-channel mobile
satellite systems;

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