LASER CT-BTFM2A-842 FM Transmitter User Manual

: June 1, 2024
: Laser

Table of Contents

LASER CT-BTFM2A-842 FM Transmitter
Product Information
Product Usage Instructions
WHAT’S IN THE BOX
OVERVIEW
GETTING STARTED
OPERATIONS
TROUBLESHOOTING
SPECIFICATIONS
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LASER CT-BTFM2A-842 FM Transmitter

LASER-CT-BTFM2A-842-FM-Transmitter-PRO

Product Information

Specifications

Model: CT-BTFM2A-842
FM Frequency Usage
Microphone for Calls
USB Media Playback (Not for Charging)
microSD Card Slot
Charges other devices at 5V/2.4A max

Product Usage Instructions

Getting Started

Plug the transmitter into your car’s cigarette lighter socket or 12-24V power port.
Look for “bt” to flash on the transmitter display.
Turn on your phone’s Bluetooth and search for nearby devices.
Select the device named CT-BTFM2A when it appears.
If prompted for a password, enter 0000.
Once paired, the FM frequency will show on the transmitter display.
Tune the car radio to an unused FM frequency (e.g., 106.2).
On the transmitter, press and hold the button until FM frequency flashes. Use buttons to match the transmitter frequency with the car radio frequency.

Operations – Bluetooth Call Functions

Press the button to answer a call; Hold it for 3 seconds to reject.
Press the button to end a call.
Double press the button to redial the last number; Press again to cancel.
Hold the button during a call to switch audio between phone and car stereo.

Charging Your Devices
The USB port on the right charges at 5V/2.4A.

Music Playback

Insert a microSD card or USB flash drive (in the left USB port) with audio files.
Files play automatically.
Press the button to pause; press again to resume.
Use the buttons to play the previous/next file.

Frequently Asked Questions (FAQ)

What should I do if the device does not connect to my phone via Bluetooth?

Make sure the device is in pairing mode and that your phone's Bluetooth is turned on and searching for devices. If needed, restart both devices and try again.

How can I change the FM frequency on the transmitter?

Press and hold the button until the FM frequency flashes on the display. Then, use the buttons to adjust and match it with your car radio's frequency.

Can I use this FM transmitter for charging devices?

No, the USB port is only for media playback and does not support charging other devices.

WHAT’S IN THE BOX

FM Transmitter charger
User manual

OVERVIEW

$LASER-CT-BTFM2A-842-FM-Transmitter- $1$$

GETTING STARTED

FM Transmitter uses FM radio to play calls and music (coming from your phone via Bluetooth) on your car stereo.

Plug the transmitter into your car’s cigarette lighter socket or 12-24V power port.
Look for bt to flash on the transmitter display.
Turn on your phone’s Bluetooth and search for nearby devices.
Select the device named CT-BTFM2A when it appears.
It usually connects automatically; if prompted for a password, enter 0000.
Once paired, the FM frequency will show on the transmitter display.
Tune the car radio to an unused FM frequency, e.g., 106.2.
On the transmitter, press and hold the button until FM frequency flashes. Then, use buttons and match the transmitter frequency (e.g., 106.2) with the car radio frequency. Now, audio from your Bluetooth device will be played on your car stereo.

OPERATIONS

Bluetooth call functions

Press the button to answer a call; Hold it for 3 seconds to reject.
Press the button to end a call.
Double press the button to redial last number. Press again to cancel.
Hold the button during a call to switch audio between phone and car stereo.

Charging your devices
The USB port on the right charges at 5V/2.4A.

Music Playback

Insert a microSD card or USB flash drive (in the left USB port) with audio files.
Files play automatically.
Press the button to pause; press again to resume.
Use the buttons to play the previous/next file.

TROUBLESHOOTING

Cannot pair Bluetooth device with transmitter:
- Keep your device close to the transmitter for a stronger connection.
- Check if the transmitter display is flashing bt. If not, unplug and plug it back in.
- If CT-BTFM2A does not appear on your phone’s Bluetooth list, refresh and search again. Wait for up to 1 minute for the device to appear.
- Make sure no other device is already connected to the transmitter.
- Disconnect your Bluetooth device from any other connected devices before pairing with the transmitter.
Audio issues
- In areas with many FM stations, some frequencies might be crowded and can clash. Try changing your car stereo’s FM frequency and match it on the transmitter.
- Make sure the volume is up on the transmitter, car stereo, and your device.