WPD-900 User Guide

Introduction

Thank you for choosing ViewSonic®. As a world-leading provider of visual solutions, ViewSonic® is dedicated to exceeding the world's expectations for technological evolution, innovation, and simplicity. ViewSonic® believes its products have the potential to make a positive impact in the world, and is confident that the chosen ViewSonic® product will serve you well.

Package Contents

Diagram showing a ViewSonic Receiver (USB-C to USB-A cable) and a ViewSonic Transmitter (small square device with USB-C connector).

NOTE: If anything is missing or damaged, please contact your local reseller for more information.

Product Overview

Receiver

Diagram of the ViewSonic Receiver with numbered ports:

• 1. HDMI Output: Version 1.4; connect to a projection device.
• 2. USB A Input: For power input only (5V/0.5A).
• 3. Pairing/Reset: For pairing and resetting to default settings.

Transmitter

Diagram of the ViewSonic Transmitter with numbered ports:

• 1. USB C Input: Display input; connect to the casting device (e.g., laptop, mobile phone, tablet).
• 2. Pair Button: Press to turn casting ON/OFF as the display signal is transmitting. Press and hold for five seconds to enter pairing mode (if needed).
• 3. USB C Power Input: Extra USB C port for pass-through charging. Allows simultaneous connection to a power adapter while casting (supports up to 60W PD power input).

Compatible with HDMI 1.4. Compatible with USB A. Ensure your device supports video output and power delivery via USB C port (DisplayPort Alternative Mode on USB C).

Making Connections

Connecting the Receiver

Diagram illustrating the Receiver connection: Receiver's HDMI port connected to a display device's HDMI port, and Receiver's USB A port connected to the display device's USB A port for power.

1. Connect the Receiver's HDMI Output to an HDMI port of the display device. NOTE: Ensure the display device is also turned on.
2. Plug the Receiver's USB A Input into the USB A port of the display device that can provide 5V/0.5A power.

Connecting the Transmitter

Diagram illustrating the Transmitter connection: Transmitter's USB C connector plugged into a laptop or mobile device's USB C port.

1. Connect the Transmitter's USB C Input to a USB C port of the casting device (e.g., laptop, mobile phone, tablet).
2. Once connected, wait for a few seconds for the casting device's screen to cast automatically.
3. Pressing the Pair Button will toggle casting ON/OFF while the casting device is transmitting.
4. The Transmitter's USB C power input port supports pass-through charging for mobile devices, with a maximum of 60W PD.

• Ensure your device supports video output and power delivery via USB C port (DisplayPort Alternative Mode on USB C).
• Casting is supported for all laptops, including those running Windows and macOS, as well as Android and Apple devices with DP Alt output.
• Duplicate and Extend mode for Windows/macOS systems are supported.
• To reset to default settings, press the Reset Button for five seconds.
• Genuine HDCP (High-bandwidth Digital Content Protection) for DRM (Digital Rights Management) streaming is supported.
• It is possible to pair multiple Transmitter devices using the same procedure as the standard one Transmitter to one Receiver pairing method. A single Receiver can be paired with up to eight Transmitter devices.

Pairing the Transmitter to the Receiver

While it is not necessary to pair the Transmitter and Receiver out of the box, they can be re-paired if there are any connection issues.

1. Connect the Receiver to a display device. For more information, see "Connecting the Receiver".
2. On the Receiver's HDMI Output, use a paper clip or SIM-eject tool to press and hold the Reset button until the on-screen prompt appears instructing you to release it.
3. Follow the on-screen instructions to complete the pairing.

Resetting the Receiver to Default Settings

1. On the Receiver's HDMI Output, use a paper clip or SIM-eject tool to press and hold the Reset button for approximately 15 seconds, then release it.
2. The connected device will reboot.

Casting without a Transmitter

The WPD-900 receiver supports point-to-point casting for Android, Windows, iOS, and macOS. Connect the receiver to power and the screen, then follow the below steps to cast content.

Miracast

If your Android devices support Smart View on Samsung, Multi-screen on Huawei, Multi-screen Interaction on OPPO, etc., directly select the display device.

NOTE: Google devices do not support Miracast.

Screenshot showing a 'Cast to' screen with a device name 'XXXX-12345678'.

Windows Extend/Cast

Press the 'Windows key' and 'K' simultaneously, and select the display device from the available display devices. You can also press the 'Windows key' and 'P' to change the display settings to extend the screen.

Illustration of pressing Windows key + K, followed by a screen showing 'Available Display' with device name 'XXXX-12345678'.

Screen Mirroring for iOS

Swipe and select Screen Mirroring, then choose the display device.

Illustration of selecting 'Screen Mirroring' option, followed by a screen showing 'Screen Mirroring' with device name 'XXXX-12345678'.

macOS Extend/Mirroring

Click the icon in the top bar on your computer and select to mirror or extend the display to the display device. You can also click Use As Separate Display to extend the screen.

Screenshot of macOS menu showing network status, device name 'XXXX-12345678', time, and options to mirror or extend the display.

Appendix

Specifications

¹ Ensure your device supports video output and power delivery via USB C port (DisplayPort Alternative Mode on USB C).

Regulatory and Service Information

Compliance Information

This section addresses all connected requirements and statements regarding regulations. Confirmed corresponding applications shall refer to nameplate labels and relevant markings on the unit.

FCC Compliance Statement

This device complies with part 15 of 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 interference received, including interference that may cause undesired operation. 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 interference to 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.

Warning: You are cautioned that changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment.

Industry Canada Statement

This Class B digital apparatus complies with Canadian ICES-003. Cet appareil numérique de classe B est conforme à la norme NMB-003 du Canada. CAN ICES(B) / NMB(B)

FCC Radiation Exposure Statement

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. End users must follow the specific operating instructions for satisfying RF exposure compliance. This transmitter must not be co-located or operating in conjunction with any other antenna or transmitter. This equipment should be installed and operated with a minimum distance of 20 centimeters between the radiator and your body. The users manual or instruction manual for an intentional or unintentional radiator shall caution the user that changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

VS20455 FCC ID:GSSVS20455 VS20541 FCC ID:GSSVS20541

SAR Statement

This device meets the government's requirements for exposure to radio waves. This device is designed and manufactured not to exceed the emission limits for exposure to radio frequency (RF) energy set by the Federal Communications Commission of the U.S. Government. The SAR limit set by the FCC is 1.6W/Kg. For body-worn operation, this device has been tested and meets the FCC RF exposure guidelines for use with an accessory that contains no metal and positions the device a minimum of 0 mm from the body. RF exposure compliance with any body-worn accessory that contains metal was not tested and certified. And use of such body-worn accessory should be avoided. Accessory available in market and must be used to keep use distance 0 mm from EUT to body-worn operation.

IC Warning Statement

This device complies with Industry Canada license- exempt RSS standard(s). Operation is subject to the following two conditions: (1) this device may not cause interference, and (2) this device must accept any interference, including interference that may cause undesired operation of the device. Le présent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorisée aux deux conditions suivantes: (1) l'appareil ne doit pas produire de brouillage, et (2) l'utilisateur de l'appareil doit accepter tout brouillage radioélectrique subi, même si le brouillage est susceptible d'en compromettre le fonctionnement.

VS20455 IC ID:4280A-VS20455 VS20541 IC ID:4280A-VS20541

Country Code Statement

For product available in the USA/Canada market, only channel 1~11 can be operated. Selection of other channels is not possible. Pour les produits disponibles aux États-Unis/Canada du marché, seul le canal 1 à 11 peuvent être exploités. Sélection d'autres canaux n'est pas possible.

IC Radiation Exposure Statement

This equipment complied with IC RSS-102 radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20 cm between the radiator & your body. The device for the band 5150-5825 MHz is only for indoor usage to reduce potential for harmful interference to co-channel mobile satellite systems. Cet équipement est conforme aux limites d'exposition aux rayonnements IC établies pour un environnement non contrôlé. Cet équipement doit être installé et utilize avec un minimum de 20 cm de distance entre la source de rayonnement et votre corps. les dispositifs fonctionnant dans la bande 5150-5825 MHz sont réservés uniquement pour une utilisation à l'intérieur afin de réduire les risques de brouillage préjudiciable aux systèmes de satellites mobiles utilisant les mêmes canaux. Radiation Exposure: This equipment complies with Canada radiation Exposure limits set forth for an uncontrolled environment to maintain compliance with IC's RF Exposure guidelines. This device and its antenna(s) must not be co-located or operation in conjunction with any other antenna or transmitter. Exposition au rayonnement: cet équipement est conforme au rayonnement Canada Les limites d'exposition fixées pour un environnement non contrôlé afin de maintenir la conformité avec les lignes directrices d'exposition aux RF d'IC. Ce dispositif et ses antennes ne doivent pas être co-localisés ni fonctionner en conjonction avec une autre antenne ou un autre émetteur. 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. La bande 5150-5250 MHz est réservés uniquement pour une utilisation à l'intérieur afin de réduire les risques de brouillage préjudiciable aux systèmes de satellites mobiles utilisant les mêmes canaux.

CE Conformity for European Countries

The device complies with the EMC Directive 2014/30/EU and Low Voltage Directive 2014/35/EU. Radio Equipment Directive 2014/53/EU and Ecodesign Directive 2009/125/EC.

Declaration of RoHS2 Compliance

The following information is only for EU-member states: The mark shown to the right is in compliance with the Waste Electrical and Electronic Equipment Directive 2012/19/EU (WEEE). The mark indicates the requirement NOT to dispose of the equipment as unsorted municipal waste, but use the return and collection systems according to local law. [Description of WEEE symbol: a crossed-out wheeled bin]

This product has been designed and manufactured in compliance with Directive 2011/65/EU of the European Parliament and the Council on restriction of the use of certain hazardous substances in electrical and electronic equipment (RoHS2 Directive) and is deemed to comply with the maximum concentration values issued by the European Technical Adaptation Committee (TAC) as shown below:

Certain components of products as stated above are exempted under the Annex III of the RoHS2 Directives as noted below:

• Copper alloy containing up to 4% lead by weight.
• Lead in high melting temperature type solders (i.e. lead-based alloys containing 85% by weight or more lead).
• Electrical and electronic components containing lead in a glass or ceramic other than dielectric ceramic in capacitors, e.g. piezoelectronic devices, or in a glass or ceramic matrix compound.
• Lead in dielectric ceramic in capacitors for a rated voltage of 125V AC or 250V DC or higher.

Indian Restriction of Hazardous Substances

Restriction on Hazardous Substances statement (India). This product complies with the "India E-waste Rule 2011" and prohibits use of lead, mercury, hexavalent chromium, polybrominated biphenyls or polybrominated diphenyl ethers in concentrations exceeding 0.1 weight % and 0.01 weight % for cadmium, except for the exemptions set in Schedule 2 of the Rule.

Product Disposal at End of Product Life

ViewSonic® respects the environment and is committed to working and living green. Thank you for being part of Smarter, Greener Computing. Please visit the ViewSonic® website to learn more.

• USA & Canada: https://www.viewsonic.com/us/go-green-with-viewsonic
• Europe: https://www.viewsonic.com/eu/environmental-social-governance/recycle
• Taiwan: https://recycle.moenv.gov.tw/

For EU users, please contact us for any safety/accident issue experienced with this product:

ViewSonic Europe Limited
Haaksbergweg 75
1101 BR Amsterdam
Netherlands
+31 (0) 650608655
EPREL@viewsoniceurope.com
https://www.viewsonic.com/eu/

Copyright Information

Copyright© ViewSonic® Corporation, 2025. All rights reserved. Macintosh and Power Macintosh are registered trademarks of Apple Inc. Microsoft, Windows, and the Windows logo are registered trademarks of Microsoft Corporation in the United States and other countries. ViewSonic® and the three birds logo are registered trademarks of ViewSonic® Corporation. VESA is a registered trademark of the Video Electronics Standards Association. DPMS, DisplayPort, and DDC are trademarks of VESA.

Disclaimer: ViewSonic® Corporation shall not be liable for technical or editorial errors or omissions contained herein; nor for incidental or consequential damages resulting from furnishing this material, or the performance or use of this product. In the interest of continuing product improvement, ViewSonic® Corporation reserves the right to change product specifications without notice. Information in this document may change without notice. No part of this document may be copied, reproduced, or transmitted by any means, for any purpose without prior written permission from ViewSonic® Corporation.

Document Identifier: WPD-900_UG_ENG_1b_20250722

Customer Service

For technical support or product service, see the table below or contact your reseller.

NOTE: You will need the product's serial number.