Shenzhen Yixin Sihai Plastic Products K109 Gaming Keyboard User Manual

K109 Keyboard

For better usage experience of the product, please read this manual before using It.

Product features:

1. Support switching back and forth across devices
2. Three-system mode switching; the mainstream equipment of the general market
3. Bluetooth 5.0 is better compatible with new and old devices
4. Connect version 5.0 to hibernate and wake up faster
5. With high-frequency equipment switching, the keyboard works smoothly

Connection Description:

Note: FN key is the second key in the bottom left corner of the keyboard

1. Turn the power switch to ON to turn on the keyboard 2.4G mode: (system default)
   Take out the USB receiver and plug it into the computer Bluetooth mode:
   Press and hold FN, then press 1, and then press and hold for 3 seconds, the blue light flashes, and Bluetooth device 1 enters the searched state on the device side-open the system settings—turn on Bluetooth→search and add

Multi device connection

1. FN +1: connect Bluetooth device 1.
2. FN +2: connect Bluetooth device 2.
3. FN +3: connect Bluetooth device 3.
4. FN+~connect USB,2.4G wireless receiving
5. FN +1,2,3, ~ combination single press: you can switch the paired devices
6. FN +1,2,3combined long press for 3 seconds: flashing light can start the searched State (Connect new equipment)

Connection supplement:

1. The initial connection keyboard needs to switch the device to the corresponding system
2. If the system is not switched, the function key may not work normally!
3. The use distance of keyboard is 5-10m, and the distance Is related to different equipment and environmental factors

FN combination function key:

Troubleshooting:

1. When the keyboard can’t be searched, try Bluetooth on the switch device to search again
2. When the keyboard is turned on and there Is no indicator light, try to charge the keyboard
3. After connecting other devices, you need to delete the old records before connecting back to the original devices
4. When the pairing fails, the failed pairing record needs to be deleted and the second pairing is performed

User information

User name:| Contact phone:
Mailing address:|
E-mail address :
Product model:| Date of purchase:

FCC Caution:
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 interference received, including interference that may cause undesired operation.

Any 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 1n 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.

The device has been evaluated to meet general RF exposure requirements. The device can be used in portable exposure conditions without restriction.

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