AINOPE AV839 Bluetooth 5.0 FM Transmitter USER MANUAL
- October 30, 2023
- AINOPE
Table of Contents
AINOPE AV839 Bluetooth 5.0 FM Transmitter
Feature Introduction
- USB C Port
- USB A Port
- U Disk Port
- TF Card Port
- Last Song
- Nest Song
- Microphone
- Multifunctional Rutton
- LED display screen
- LED light
- LED light button
- Positive ball plunger
- Negative ball plunger
Product Specification
USER’S GUIDANCE
FM and wireless pairing
ATTN
Let you enjoy higher quality music. When you use it for the first time. You
need to turn on the car radio to adjust the channel to any BLANK FREQUENCY.
Blank frequency means a channel that is not occupied by any radio station.
Normally you can hear a slight steady rustle if the frequency is not occupied.
You need to adjust the AV839 frequency to be the same as that of the car(non-
local broadcast channel). Whenever you use it, make sure that the frequency
between the transmitter and your car is the same(not the local broadcast
channel).
- Adjust the car radio to the Blank frequency(the channel is not occupied by any broadcast channel). The reference is: a slight steady rustling sound
- Plug in the FM transmitter the car cigarette will be lightened and display the voltage for three seconds to remind whether the battery voltage is normal. Then press the answer key for 3 seconds, and the screen number will flash. Please adjust the frequency of the bluetooth ca adapter to be the same as the frequency of the car radio by rotating the knob. At this time, the car radio will become silent and without a rustle. (If noise still exists, please change car radio’s channel to find another blank channel again.). Then please wait three seconds or short-press the answer key knob to lock the current frequency.
- Turn on the wireless of the smart device, search for AV839, and then connect. After connecting successfully, if play music with your mobile phone, you can hear it from the car stereo. (When used for the second time. AV839 will connect to the last device that was last connected)
The volume of the car speaker is usually 40% enough (never exceeding 60%), and The transmitter usually 60% is enough(never exceeding 80%). You are not suggested to adjust the volume of your car speaker to maximum (this will bring a lot of noise).
Tips: How to switch channels?
Pull out the car charger and insert it again. Repeat the first frequency adjustment operation- change the channel of the car radio, and adjust the channel of the FM car charger to make it consistent with the car radio. If the region is changed, the sound quality may be affected by local radio stations owing to frequency interference. In this case, please do this channel readjustment operation.
-
Find out a BLANK frequency on your car radio.
(In order to ensure good sound quality equipment, please select the blank frequency which is not occupied by any broadcast channel. The reference is a slight steady rustling sound) -
Plug the FM transmitter, and the screen displays the voltage for three seconds to remind whether the battery voltage is normal.
-
Press for 3 seconds to enter FM mode.
-
Rotate clockwise to increase the frequency Rotate anti-clockwise to decrease the frequency.
Wireless hands-free function
- Answer: click
- Hang up: click
- Reject: Press and hold for 2 seconds
- Redial: Short-press the twice in succession
Music function
(Make sure the connection is successful before use)
-
Audio Source Selection: Wireless/U disk/TF Card
-
When playing music, long-press the button to switch the playing media between Bluetooth /TF card /U disk. The phone’s Bluetooth playing priority is higher than the TF card and U disk. Therefore, when the TF card or U disk is in the playing state, the phone audio will be played right away if there is any audio action on a mobile phone. After finished, it’ll return to the TF card /U disk playing state and continue the music.
-
Long press the to enter the frequency adjustment status, when the number is flashing Short press the to switch to the last file, and the screen will display the -F; Short press the to the next file, and the screen will display -F-
Audio playback operation
- Play/Pause: Click
- Previous/Next: Short press to play the next song; Short press to play the last song.
- Anticlockwise turn to turn down the volume
- Clockwise turn to turn up the volume
LED Glare Light Function
Short press to switch 7 monochromatic lights or turn off the light, Long press to make the light switch the seven colors automatically.
QC 3.0 Charging Port Description
Devices that do not support QC3.0 fast charging. The maximum output is 5V/2.4A
Intelligent equipment supporting QC3.0 fast charging. The charging protocol:
3.6-6.5V/3A, 6.5-9V/2A, 9-12V/1.5A.(Max 18W).
Type C Charging Port description
Devices that do not support PD3.0 fast charging. The maximum output is 5V/2.4A
Intelligent equipment supporting PD3.0 fast charging. The charging protocol:
3.6-6.5V/3A, 6.5-9V/2A, 9-12V/1.5A.(Max 18W) (Please use USB C to C cable or
USB C to Lightning Cable)
Check the Voltage
During playing music, Long-press the to check the current battery voltage
-
<11.6V Battery failure
11.6V-13.2V Normal voltage range before the car started
13.2V-14.8V Normal voltage range after the car started -
14.8V Battery failure
Frequently Asked Questions
Noise Problem
Solve:
- Please make sure the car radio frequency you adjusted is “Blank” frequency — No broadcast frequency and the interface is slightly rustling white noise
- Adjust the volume of the car speaker between 40%-60%, and the FM transmitter between 60%-80%, in- crease the volume of your phone.
- Please make sure the frequency between the transmitter and your car is the same (Blank fre- quency), after syncing the Bluetooth adapter with your car radio will be very quiet.
- Signal interference. Please switch to another Blank frequency of car. If you drive to different cities and states, you will have to change your station as stations might change as you drive
The other part can’t hear you when you call
Solve:
- The Call volume is small, please increase the volume of the phone
- When the call is too low, ask the other party to increase the volume
- The microphone is broken. Contact customer service for help
Others
- FM transmission signal might be affected by driving through highways, tunnels, and other places where the signal is weak.
- If the volume of fm transmitter is way too low, please make sure you have the full volume on the phone and exit another operational voice App that is in running status.
Reminder
After receiving the product, do not rush to insert the product into the cigarette lighter socket of the car. After starting the car, the first turn on the car radio, and patiently choose a blank channel with no broad- cast channel. The standard is a slight rustling sound. Then insert the car transmitter into the cigarette lighter socket and adjust the FM frequency of the product to be the same as the FM frequency of the car. At this time, the car radio will become silent and without rustling static electricity (If noise still exists, please change the car radio’s channel to find another blank channel again.) and finally connect to your phone wireless. Enjoy songs on your mobile phone and make hands-free calls from your mobile phone.
- For Noise – If the audio has too much noise, please select another blank radio frequency. Maybe the chosen frequency is occupied by a radio station or has too much interference.
- For an unstable connection – please first try another phone or tablet, or provide your phone model and contact Support@ainope.com for replacement.
- To prevent your car battery from being drained, please be sure to remove the C68 from the car cigarette lighter after use.
Customer Service
- 12 Month Warranty
- Lifetime technical support12 Month Warranty
- Support @ainope.com
- @AinopeOnline
FAQ’S
How do I connect my device to the AV839 Bluetooth 5.0 FM Transmitter?
Turn on the wireless of the smart device, search for AV839, and then connect. After connecting successfully, if you play music with your mobile phone, you can hear it from the car stereo.
How do I adjust the frequency of the AV839 Bluetooth 5.0 FM Transmitter?
Plug in the FM transmitter, press the answer key for 3 seconds, and the screen number will flash. Please adjust the frequency of the Bluetooth car adapter to be the same as the frequency of the car radio by rotating the knob.
How do I switch between audio sources on the AV839 Bluetooth 5.0 FM Transmitter?
When playing music, long-press the button to switch the playing media between Bluetooth /TF card /U disk.
How do I check the voltage of my car battery using the AV839 Bluetooth 5.0 FM Transmitter?
During playing music, long-press the button to check the current battery voltage.
What should I do if there is too much noise coming from the AV839 Bluetooth 5.0 FM Transmitter?
Please select another blank radio frequency. Maybe the chosen frequency is occupied by a radio station or has too much interference.
What should I do if I have an unstable connection with the AV839 Bluetooth 5.0 FM Transmitter?
Please first try another phone or tablet, or provide your phone model and contact Support@ainope.com for replacement.
How do I prevent my car battery from being drained when using the AV839 Bluetooth 5.0 FM Transmitter?
Be sure to remove the C68 from the car cigarette lighter after use.
What is the warranty for the AV839 Bluetooth 5.0 FM Transmitter?
There is a 12-month warranty and lifetime technical support. You can contact Support@ainope.com for assistance.
Has anyone had an issue with it draining the battery?
Yes if you leave it plugged in while your car sits for an extended period of time it will drain the battery. Unplug when not in use
Does phone calls come through car speakers?
Yes, you can click the button on the car charger to answer calls and the sound comes through car speakers.
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AINOPE-AV839-Bluetooth-5.0-FM-Transmitter
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