IMDEN Car Wireless FM Transmitter With BASS Sound Enhancer User Manual
- June 7, 2024
- IMDEN
Table of Contents
Car Wireless FM Transmitter
(With BASS Sound Enhancer)
Dual fast charging protocol using QC3.0 and PD
USER MANUAL
- Mic
- QC3.0 (DC3.6-6.5V/3A,6.5-9V/2A,9-12V/1.5A)
- Type-C PD 18W fast charging protocol (DC5V/3A,9V/2A/12V/1.5A)
- BASS Bass sound enhancement button
- U flash disk(max.64G)/5V-1 A output
- CH button(click into FM mode,press and hold for 2 seconds to power on when power off. press and hold for 2 seconds to power off when power on)
- previous/next;rotate phone button is rotated left to previous song, rotate phone button is rotated right to next song
- Phone button: Pause/Play/Hands-free (answer/end/reject).
Press and hold for 3 seconds to activate or exit Siri
Packaging accessories
- FM transmitter*1
- Instruction manual*1
Features:
The local channel and the car radio channel are adjusted to be consistent, and the U disk music can be transmitted to the car audio player. The Wireless connection with the mobile phone can realize the Bluetooth call hands-free function through the car audio.
Specs
Wireless version: V5.0
Item C68
Work Distance 5m
U flash disk’ format & capacity FAT32, max64G
FM Frequency range 88.1-107.9MHz
Compatible audio format MP3.WMA.WAV.FLAC
Compatible with Bluetooth protocol A2DP/AVRCP/HSP/HFP
Orange fast filling support QC3.0 Protocol (DC
3.6-6.5V/3A,6.5-9V/2A.9-12V/1.5A)
Type-C support: PD18W: (DC5V/3A.9V/2A.12V/1.5A)
Power on/off
Power on: Insert the C68 into the cars cigarette lighter. After the car
starts. the yellow display will automatically turn on and flash once every
second. If it is off, press and hold the ‘CH’ button for 2 seconds to turn on
the C68.
Power off: When the power is turned off or there is power. press and hold
“CH” for 3 seconds to shut down.
ATTN: The charging port works even when the C68 is turned off.
Display
- After turning on the power. the yellow display shows bt and the frequency flash alternately
- After the pairing is successful. the screen displays bt long bright
- Click the CH button to enter the FM mode (display digital frequency)
user’s guidance
1.FM and wireless pairing
ATTN: Let you enjoy higher quality music. When you use it for the first time.
you need to adjust the C68 blank 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).
1.1. Adjust the car radio to the white space (ie. the channel without any
broadcast). The reference is: clear rustling.
1.2. Click the “CH” button, the number flashes and enter the FM mode. Rotate
the phone key to increase or decrease the frequency to the left and right and
adjust the frequency to the same as the car radio, such as: FM88.8. Click the
“CH’ button again or wait for 3 seconds to exit the FM mode.
1.3.Wireless connection:
A. After power on. the screen of C68 displays HI. then the current car battery
voltage is displayed. After 2 seconds, it enters the bt state. that is. enters
the pairing state. waiting for pairing.
B. Turn on the Wireless of the smart device, search for “C68”. and then
connect. After connecting. the screen will display bt light. and the music can
be played through Bluetooth. Usually the connection will be paired
automatically but sometimes it will ask you to enter a password. If prompted.
please enter the initial password “0000′.
(When used for the second time. C68 will connect to the last device that was last connected.)
Find out a blank frequency on your car radio.(In order to ensure good sound quality equipment. please select the local no radio program blank channel firstly)
2
Short press “CH” to enter into FM mode.
3
Rotate clockwise to increase the frequence; Rotate antclockwise to decrease the frequence.
4 
2. Wireless hands-free function
A . Answer : click ” ” button .
B. Hang up : click ” ” button .
C . Last number re-dial : double click ” ” button .
D. Reject: press and hold ” ” button for 2 seconds
E . Switch private calls : hold and press ” ” button for 2 seconds during a
call.
3. Music function (make sure the connection is successful before use)
3.1.1 Audio Source: Wireless/U Disk
3.1.2 Music sound effect: ” ” button (red). during music playback. click b to open bl bass surround enhancement effect. which will enhance the music surround bass effect. suitable for dance music. DJ. RAP. and other heavy bass songs. (Light music please use b0 sound effect click b button to recover)
A.Wireless mode: See the description of the smart device. For example. the phone. After the Wireless connection is successful. the music on the smart device can be played and synchronized to the built-in speaker of the car.
B.U disk mode: Plug in the U disk. C68 will automatically recognize and play the music inside
ATTN: To ensure a better product experience. when using this product. please select only one audio source.
3.2.Audio source selection
A . Used between Bluetooth and USB flash drive, the last connected device is
recognized by default.
B. Auto play option via USB flash drive: Plug and Play.
C. After power off or restart. C68 will enter the previous playback mode
(automatic music is played in U disk mode, music needs to be played manually
in Bluetooth mode)
3.3.Audio playback operation
A.Play/Pause: Click ” ”
B. Previous/Next: Turn the phone key clockwise ” ” to the next song, rotate
the phone key counterclockwise” ” to the previous song
4.Voice Assistant
4.1. Press and hold the phone button ” ” for 2 seconds to start the voice
assistant.
4.2. Press and hold the phone button ” ” for 2 seconds to exit the voice
assistant.
5.QC3.0 Charging Port Description
5.1. Devices that do not support QC3.0 fast charging. the maximum output is
5V/2.4A.
5.2. Intelligent equipment supporting QC3.0 fast charging. meeting QC3.0 fast
charging protocol: DC 3.6-6.5V/3A, 6.5-9V/2A. 9-12V/1.5A
6.Type-C charging port description
6.1. Devices that do not support PD fast charging. the maximum output is
5v/2.4A
6.2. Devices that support PD fast charging. meet PD 18W fast charging
protocol: DC5V/3A 9V/2A 12V/1.5A (Please use C to C data cable. or C to
lighting data cable to be inserted)
7.Frequently Asked Questions (Block Diagram)
7.1.Noise problem
Solve:
A:Reduce the volume of the speaker by one-third. increase the volume of the
smart device
B.Signal interference. Please switch to another empty white frequency point.
7.2. The other party can’t hear you when you call.
Reason 1: The dialing method is incorrect.
Solve:
A. When you call, click the C68 phone button ” ” to answer the call through
the speaker inside the car.
B. Activate the phone speaker to answer the call
Cause 2: The call volume is small
Solve:
A Increase the volume of the phone.
B . When the call is too low. ask the other party to increase the volume.
Cause 3: The microphone is broken.
Suggestion: Contact customer service for help
(Waste Electrical & Electronic Equipment)
The label on the product or in the literature indicates that it cannot be disposed of with household waste when it is near the end of its useful life.
Prevent environmental or human health impacts caused by improper waste disposal. classify and recycle this waste with other wastes for sustainable development
Reminder:
After receiving the product. do not rush to insert the product into the
cigarette lighter socket of the car. After starting the car. first turn on the
idle FM radio. and patiently choose a blank channel with no local programs on
the car radio. The standard is a slight rustling. Then insert the product 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 be
very quiet and there is no static electricity. (If it’s still not quiet. try
to find a new blank channel again) and finally connect to your phone
wirelessly. When they are paired successfully. you can 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 radio frequency, maybe the chosen frequency is occupied by a radio station or have too much interference.
- For Unstable Connection – please firstly try with another phone or tablet, or provide your phone model and OS to Support@lmdenService.com for a replacement or firmware update.
- To prevent your car battery from being drained, please be sure to remove the C68 from the car cigarette lighter after use.
Support@ImdenService.com
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