Lenovo ThinkPad X1 Extreme Gen 4 User Guide
- June 3, 2024
- Lenovo
Table of Contents
Lenovo ThinkPad X1 Extreme Gen 4
Instruction
Commercial Vantage*
Settings, Smart Assist, Updates, WiFi Security, Support & Warranty
Intelligent Cooling
Adjust Lenovo Intelligent Cooling through the Windows Power Slider to get the best mix of battery life, computer performance, and fan speed
USB transfer rate
Read the statement on USB transfer rate in the User Guide. To access the User
Guide, go to https://pcsupport.lenovo.com.
Specific absorption rate (SAR)
YOUR DEVICE MEETS INTERNATIONAL GUIDELINES FOR EXPOSURE TO RADIO WAVES.
Your device is a radio transmitter and receiver. It is designed not to exceed
the limits for exposure to radio waves (radio frequency electromagnetic
fields) recommended by international guidelines. The guidelines were developed
by an independent scientific organization (ICNIRP) and include a substantial
safety margin designed to assure the safety of all persons, regardless of age
and health.
The radio wave exposure guidelines use a unit of measurement known as the
Specific Absorption Rate, or SAR. Refer to the following for 10g SAR limit and
maximum reported SAR values:
10g SAR limit: 2 W/kg (body-worn SAR); 4 W/kg (limb SAR)
Maximum SAR with 0 mm separation distance: 0.900 W/kg (body-worn SAR);
3.189 W/kg (limb SAR)
Where possible, your radio device should be used on a table, desk or tray,
which also assists ventilation. To limit exposure from radio waves, use the
device under good radio signal conditions and keep the antennas furthest from
your body and that of other people. Refer to the User Guide of your product to
view the locations of the antennas. Pregnant women should keep the antennas
away from their stomach and adolescences away from their lower abdomen.
Wearers of electronic implant devices (pacemakers, insulin pumps,
neurostimulators, etc.) should maintain a distance greater than 15 centimeters
between the radio device and the implant device. Obey all local restrictions
when using your device in public areas, such as hospitals, airplanes, or
schools.
European Union (EU) / United Kingdom (UK) — Radio Equipment
Compliance
Hereby, Lenovo declares that the radio equipment type ThinkPad X1 Extreme Gen
4 / P1 Gen 4 is in compliance with Directive 2014/53/EU, as well as UK Radio
Equipment Regulations SI 2017 No. 1206.
The full texts of the system declarations of conformity are available at:
https://www.lenovo.com/us/en/compliance/eu-doc for EU and
https://www.lenovo.com/us/en/compliance/uk-doc for UK.
This radio equipment operates with the following frequency bands and maximum
radio-frequency power:
Usage of this device is limited to indoor use in the WLAN band 5150 – 5350
MHz.
First Edition (July 2021)
© Copyright Lenovo 2021.
LIMITED AND RESTRICTED RIGHTS NOTICE: If data or software is delivered
pursuant to a General Services Administration “GSA” contract, use,
reproduction, or disclosure is subject to restrictions set forth in Contract
No. GS-35F-05925.
LENOVO, LENOVO logo, THINKPAD, and THINKPAD logo are trademarks of Lenovo.
Intel and Thunderbolt are trademarks of Intel Corporation or its subsidiaries
in the U.S. and/or other countries. The terms HDMI and HDMI High-Definition
Multimedia Interface are trademarks or registered trademarks of HDMI Licensing
LLC in the United States and other countries. USB-C is a registered trademark
of USB Implementers Forum. All other trademarks are the property of their
respective owners.
References
- Official Lenovo Laptop, Accessories & PC Support - Lenovo Support US
- Lenovo EU Declaration of Conformity Compliance Information | Lenovo US
Read User Manual Online (PDF format)
Read User Manual Online (PDF format) >>