Bluetooth Transmitter & Receiver User Manual Model:I3 Contents: 1. Product Overview-------------------------------------------------------------- 2 2. Basic Operation --------------------------------------------------------------- 3 3. How to use as a Bluetooth Transmitter (TX)---------------------------------- 4 4. How to use as a Bluetooth Receiver (RX)------------------------------------ 7 5. How to use BYPASS function--------------------------------------------------10 6.
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Package Contents： A. Bluetooth Transmitter & Receiver *1 B. 3.5mm Audio Cable *1 C. Micro USB Charging Cable *1 D. User Manual *1 E. Fiber Optic Cable *1 2. Basic Operation Button Function Pairing mode MFB (Multi Function Play / Pause (RX) Button) Operation Double press when in standby or connected status.
3. How to use as a Bluetooth Transmitter (TX) 3.1 Bluetooth pairing and connection A. Plug USB DC power supply to power on, switch to TX status. Or switch to TX status then power on. B. It will enter pairing status automatically with TX LED fast flash (You could double press MFB to enter pairing mode if it didn’t enter). C. Turn on the Bluetooth function of your device (bluetooth headphone, speaker or receiver) to pairing mode with Red & Blue LED flash alternately or Blue LED flash. D.
1 Setting Under power off status switch to TX side then plug power supply cable to power on, or under power on status switch to TX side. 2 Paring Power on, you could double press MFB if it didn’t enter pairing status automatically with TX LED fast flash. Place bluetooth headphone or speaker power on and enter pairing status. 3 Connection Place them close and wait for 5-30 seconds, after successful connection, KH21’s CODEC LED turn on. 3.2 Multi Point Connection A．Follow 3.
*If KH21 can not connect two devices, please power on again and try to reconnect, or try to pair two devices again. *Multi Point Connection can be compatible with most of bluetooth device, but there are some devices maybe have some problem when connect with it. 3.3 TV Connection Connect KH21 and the TV with 3.5mm audio cable or fiber optic cable, and Bluetooth connect with headphone or spkeaer, play music from TV to headphone or speaker. Notes： *Please test the TV with wired headphone by selecting 3.
*If bluetooth headphone can not hear sound from TV, please check the TV audio setting, normally can output sound one of them or all: fiber optic, 3.5mm, tv speaker. *Please insert fiber optic cable to TX-Input-OPTICAL port , insert 3.5 mm audio cable to TX-Input-AUX port. 4. How to use as a Bluetooth Receiver (RX) 4.1 Bluetooth pairing and connection A．Connect USB DC power supply to power on, switch to RX status. Or switch to RX status then power on.
2 Pairing Please double press MFB to enter pairing status with RX LED fast flash if didn’t enter pair status. 3 Connection Turn on the bluetooth function of phone (PC or tablet), search and connect KH21. After successful connection, KH21’s RX and CODEC LED will turn to solid. 4.2 Multi Point Connection A. Follow 4.1 to connect with the first phone (PC or tablet). B. Double press KH21’s MFB to enter pair status with RX LED fast flash (The first connected device will work well). C.
4.3 Speaker Connection Connect KH21 and Speaker with 3.5 mm audio cable or fiber optic cable, and bluetooth connect with phone (PC, laptop), play music from your phone to speaker. Notes： *Please test the speaker with 3.5 mm audio cable (connect with phone) to see if workable, if could not play when connect with KH21. *Please insert fiber optic cable to RX-Output-OPTICAL for Toslink connection, RXOutput-AUX for 3.5mm connection.
5．How to use BYPASS function Enter BYPASS: Plug DC power supply, switch to BYPASS status with solid BYPASS LED. BYPASS mode is direct connection, short press Audio Mode Switch to select between AUX and OPT. 1. Solid AUX LED : AUX-Input to AUX-Output 2. Solid OPT LED: OPT-Input to OPT-Output 3. AUX LED flash once, then turn to solid AUX and OPT LED: AUX-Input to OPTOutput 4.
6. LED Indicator Status LED Indicator TX flash twice (TX status) Power on RX flash twice (TX status) Power off All turn off TX fast flash (TX status) Paring TX fast flash (RX status) TX flash once every 3 seconds (TX status) Unconnected standby / Reconnecting RX flash once every 3 seconds (RX status) Connected with once device “A” turn on aptX-HD™ on TX is on for 1.
7. Product Specification Bluetooth version V5.0 Bluetooth chipset CSR 8675 Operation range RX: 15 meters, TX: 50 meters Bluetooth profile A2DP, AVRCP CODEC aptX™ HD, aptX™ low latency, aptX™ , SBC Working temperature -10-55℃ Net weight About 81.
7. Attention and Q & A A. How to reconnect? A: KH21 will reconnect with paired devices when power on. If not , please follow the 3.1 or 4.1 to pair & connect again. B . How to delete the paired records? A: Under TX and power on status, long press ”Volume +” 7 seconds to delete the paired records, TX and RX will flash twice simultaneously (Not work in RX status). C .
FCC STATEMENT : 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. Warning: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.
