
V3 ENGLISH 21-0875
USING YOUR SWITCH
1Turn on your TV and source device.
2To select a source device, press the SELECT 
button repeatedly until the LED indicator lights 
for the source device you want.
3Use your source device as usual to play video 
and audio.
 Note: You may leave the power on while not in use.
SPECIFICATIONS
• Dimensions (L × W × H): 5.1 × 2.9 × 0.8 in. (13 × 7.6 × 2.1 cm)
• Weight: 0.21 lbs. (96.3g)
• Power supply with micro USB connector: 5V DC/600mA
• Resolution: 480p, 720p, 1080p, and 4K (up to 4K at 60Hz or 
1080p at 120Hz)
• Frame Rate: Up to 4k at 60 Hz (1080p at 120 Hz)*
• Color: Deep Color, HDR, and other expanded color spaces
• Audio:Works with all audio formats supported by the HDMI 
standard
*Note: TVs with high internal refresh rates (such as 240 Hz) are compatible. 
The specications refer to source signal and notTV refresh rate.
TROUBLESHOOTING 
No video and/or audio
• Make sure that all connections are correct and secure.
• Make sure that the switch is plugged in and turned on.
• Make sure that the switch is set to the correct source device.
• Make sure that yourTV (or projector) is set to the input/source that your 
switch is connected to.
• Make sure that the audio and video formats (such as a Blu-ray disc) are 
supported by the source device and display that you are using.
• Unplug the switch’s power cable, wait 10 seconds, then plug it back in again.
• Make sure that yourTV or projector supports the video resolution that your 
source device is using.
• Make sure that your HDMI cable is not damaged.Try connecting a dierent 
HDMI cable.
• Long HDMI cables may cause signal loss.Try a dierent, shorter HDMI cable.
HDCP error
• Unplug your switch’s power cable, wait 10 seconds, then plug it back in.
• If you connect any output to your video recorder, the HDCP may automatically 
lock up audio. Make sure your video recorder supports HDCP.
The input source will not change
• Unplug the HDMI cable and plug it in again.
My display does not show 4k or 3D content
• Make sure that your source device and display support 4K or 3D content and 
that you have 4K or 3D content on your source device.
Note: For maximum compatibility, this device will not relay CEC commands between devices. 
Power, input switching, and other controls must be done on individual devices.
NOTICE
• Manufacturer reserves the right to make changes in the hardware, packaging, 
and any accompanying documentation without prior written notice.
• HDMI®, the HDMI® Logo, and High-Denition Multimedia Interface are 
trademarks or registered trademarks of HDMI® Licensing LLC.
• NS-HZ335 incorporates HDMI® technology.
• Trademarks and brand names are the properties of their respective owners.
LEGAL NOTICES
FCC Statement
1. FCC Caution - §15.21:
Changes or modications not expressly approved by the party responsible for compliance could 
void the user’s authority to operate the equipment.
2. FCC Statement - §15.105(b):
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 o 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 dierent from that to which the receiver is 
connected.
• Consult the dealer or an experienced radio/TV technician for help.
ONEYEAR LIMITED WARRANTY
Visit www.insigniaproducts.com for details.
CONTACT INSIGNIA:
For customer service, call 1-877-467-4289 (U.S. and Canada) 
www.insigniaproducts.com
INSIGNIA is a trademark of Best Buy and its aliated companies. 
Distributed by Best Buy Purchasing, LLC
7601 Penn Ave South, Richeld, MN 55423 U.S.A. 
©2021 Best Buy. All rights reserved.