L1M Wireless Hands-Free Bluetooth 4.0
Motorcycle Helmet Headset
Thanks for choosing LTC L1M wireless headset. Please read the instruction manual before using
LTC L1M wireless in-helmet headset. With wireless technology, it's design to auto answer phone
calls, control the playing music status and so on.
USER MANUAL
1. Product Details
2. Installing the Headset on Your Helmet
1) Place the helmet speakers along with the hook and loop fasteners, centered to your ear, in the
ear pockets of the helmet. If the helmet has deep ear pockets, you can use the speaker pads to
place the speakers closer to your ears.
2) Make sure that the microphone is located properly close to your mouth when you wear the
helmet.
3. Package Contents
L1M Wireless headset
with microphone
Hook and Loop
Fasteners
USB Charging
Cable
Priority：Phone calls>Music, when there is a coming phone call, the playing music would be
suspended. After phone dialogue, the music would resume to play automatically.
4. Pairing the Headset with Bluetooth Devices
1) Execute power on by holding down the “A” button for 3 seconds until you hear a voice prompt
“Di...Di...Di...”.
2) With your mobile phone(Bluetooth devices) in Bluetooth-pairing mode, select “L1M” in the list
of devices detected.
3) After connected successfully, the flashing light would change to blue light and flash every 6
seconds. And there will be a short tone when connected or disconnected.
6. Light Indication
1) The blue light would flash every 6s when L1M headset is full of power.
7. Maintenance
1) Don't keep L1M in the too hot or too cold place, the suitable temperature should be between
-40°C and +60°C.
2) Don't put L1M into fire, there is explosion danger.
3) Don't keep L1M close sharp objects.
4) Don't try to disassemble L1M.
5) Keep L1M in a dry and cool place when not in use. And for better use please charge it regularly.
Press the “A” button once and you will hear a short tone“di” to terminate
dialogue.
Double press the “A” button to activate the voice assistant of your smart
phone to make a call or to listen to the music.
Press the “A” button button once to play or pause music.
Press and hold the “B” button for 2 seconds to play the next song.
Press and hold the “B” button until reaching your favourite song.
Press the "B" button to adjust the volume, and the volume will increase
with each press. Total 11 levels of volume can be adjusted. When L1M
reach the maximum volume, keep pressing the "B" button and it will
become the minimum volume. It forms a volume adjustment loop.
There will be a tone when reach the maximum volume.
Double press the “B” button to switch to another voice supporting language
when L1M headset isn’t in paired mode.
First press the “A” then press the “B” button for 2 seconds, until the red light
flashes for 3 times, you have been successfully clear the pairing record.
(You can clear the pairing record when the music is not clear or not smooth
to listen. Pair L1M headset with your phone again to improve the sound
quality).
5. Terminate
dialogue
7. Play/pause music
8. Next song
6. Voice
command
9. Increase/
decrease
the volume
10. Chinese and
English voice
switching
11. Clear the
pairing
record
5. Functions and Operations of L1M Headset
Holding down the “A” button for 3 seconds until you hear a voice prompt
“Di...Di...Di...”. The blue red light would flash alternatively(Without any
operation for 5 minutes, L1M headset would shut down automatically.)
Holding down the “A” button for 3 seconds until hearing a voice prompt
“Power Off”. The red light would fade after 1s.
Without any operation for 10s, L1M would bring up the coming phone calls
automatically under the pairing status.
When there is a phone call, press and hold “A” button for 2 seconds until
hearing a short tone to reject the call.
1. Power on
2. Power off
3. Answer
the call
4. Reject
the call
2) The red light would flash every 6s when L1M headset is in low power and there will be a short
tone every minute to remind you the low power status.
3) The red light keeps on flashing when L1M headset is charging.
4) The blue light keeps on after fully charged(about 2.5h) .
Attention：The battery capacity is 250mAh and the standby time is 70h, which can work ontinually
for 7h.
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 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 in 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.
Changes or modifications not expressly approved by the party responsible for compliance could
void the user's authority to operate the equipment. 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
2) This device may accept any interference received, including interference that may cause
undesired operation.
For more information, please visit: <ltcofficial DOT com>
1
Jakpak X10 Operating instructions
Dr Prepare DCH02WF User manual
Approx APPBT04 Datasheet
Lenovo ThinkCentre Edge 71z Hardware Maintenance Manual
Shenzhen Qianyifeng Electronic Technology H3000 Operating instructions
Generac MGG210N2 Operating instructions
Grundfos UP-ZV Series Product information
Gorenje IT646KR Owner's manual
