You are cautioned that any changes or modifications not expressly approved in this manual could void your authority to operate this 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 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.
For questions regarding your product please visit https://develop.sony.com/develop/spresense/purchase-inquiries
Keep this product out of fire.
To avoid the risk of a failure, an electrical shock, or a fire, do not use, store, or leave this product in a place subject to:
–– direct sunlight
–– high temperatures, such as a vicinity of fire or a heater, or inside a vehicle parked under the blazing sun
–– oil fumes, steam, humidity, or dust
–– splashed water
Keep this product out of reach of children to avoid the risk of accidental
swallowing or injuries. If a child swallowed the product or was injured,
immediately seek medical consultation.
Do not leave this product wrapped with paper, cloth, bedding, etc. to avoid
the risk of fire or smoke.
Do not allow ingress of foreign matters or use this product on a conductive object to avoid the risk of a short circuit that may cause a malfunction or a failure.
While this product is powered, do not touch the product for an extended
period of time to avoid the risk of a low temperature burn.
Do not place this product on an unstable place to protect it from dropping, as it may result in an injury or product damage.
Do not touch this product with a wet hand to avoid the risk of an electrical shock.
Before you start using the headphones, minimize the volume. A sudden
loud sound may impair your hearing.
Keep your hand away from sharp components to avoid the risk of cutting
While this product is powered, do not unplug and plug a connector or
touch the product with a bare hand or a metal object to avoid the risk of a malfunction, a failure, or an injury.
Be sure to take an electrostatic measure before you use this product. Due to its structural nature, the product is vulnerable to static electricity that may cause a malfunction or a failure.
Notes on using this product
Before you get started, please visit the SPRESENSE support website to find out how to develop applications with this product.
This product is developed solely for evaluation purposes and not with
intention to provide functions to user applications. Sony assumes no
liability for operation of any applications you develop with this product.
For information on the recommended use conditions, visit http://develop.sony.com/develop/spresense/developer-tools/introduction
This product is intended for use in Japan, USA, UK, Germany, France, Italy, Spain, and China. For use in any other countries/regions, visit https://develop.sony.com/develop/spresense/buy-now
For US customers: The information contained in this document is not intended by Sony to be construed as warranties regarding the product. For warranty information, please read “Limited Warranty” in the instruction manual provided with the product.
For EU customers: This equipment has been tested and found to comply with the limits set out in the EMC Directive using a connection cable shorter than 3 meters.
For EU customers: The information contained in this document is not intended by Sony to be construed as warranties regarding the product. For warranty information for this product, please ask your dealer.