Letown LT9-A User manual

Letown Smart Dash Camera User’s Guide
Page 1

INTRODUCTION
Congratulaons! You’ve made a smart choice by purchasing letown. Letown has both front and
rear cameras, ADAS, parking monitor mode as well as GPS path tracing. Replacing lithium baeries
with the capacitor power supply and OBD power cable, Letown is absolutely safe and durable.
Protect your car and your family with Letown. Letown is a smart modular vehicle security system.
You can choose the funcon you need.This User Manual covers the following 3 models which share
a common video plaorm but include varying add-on features:
LT9-A - Basic Perk(Front Dash Cam+The Capacitor Supply + OBD Power Cable+Parking Monitor
Mode)
LT9-B - Full Funcon Perk(Front Dash Cam+The Capacitor Cupply + OBD Power Cable+Parking
Monitor Mode+Rear Dash Camera+GPS Path Tracing)
LT9 - Top Perk(Front Dash Cam+The Capacitor Cupply + OBD Radar module Power
Cable+Parking Monitor Mode+Rear Dash Camera+GPS Path Tracing)
DASH CAM FEATURES
2160P FULL HD - All HD Dash Cams record the road ahead in 4K excellent image quality,
and advanced dynamic range(Support 128G SD)
3.0” LCD Screen - Large LCD Display with video playback directly on the device as well as on
your TV or computer
166° Viewing Angle - Ultra wide-angle view gives you a full view of the road while at the same
me minimizing edge distoron.
Connuous Loop Recording - Footage is stored in 1, 3, or 5 minute clips. When the memory
card fills up, the camera automacally deletes the oldest segments to make room for new ones.
Emergency Recording(SOS) - If you don’t want a clip to be overwrien, simply click the
Emergency Recording buon and the clip will be protected. Clips are automacally protected if
an impact is detected.
G-Sensor - 3-axis accelerometer senses sudden acceleraons, stops, and collisions and
automacally protects footage surrounding the incident.
Parking Monitor - Press OBD “P” to turn on the uninterrupted power supply.Select Camera Mode.
The dash camera will only record video when moon is detected.
(The power would be cut off automacally when the car baery voltage is under 11.6V )
Simple Installaon - Mount the unit on the windshield and apply power. Forget about it. Drive
HD cameras will automacally start recording without the need for complex configuraon.
Superb Night Vision - The industry leading high sensivity image sensor will ensure excellent
night vision.The f/1.4 large aperture contribute help to capture vivid images and deliver accurate
colors even in week lighted enviroments without using auxiliary lighng.
SnapShot - The SnapShot buon is always available so that you can capture a sll image at any
me.
Page 2

ADAS(Advanced Driver Assistant System)-The Dash Camera provides real-me intelligent
lane departure warnings.Euipped with Collision Warnings.the camera detects the distace of
the front and rear car for futher safetyprecauons.
Built-in Microphone & Speaker - Play back audio with video. The microphone can be easily
toggled off if you prefer not to record audio.
OBD power cable - The OBD power cable is able to not only conuously supply power
without consuming the baery of the vehicle aer flaming off, but aslo leave the cigaree
lighter vacant.
Screen Saver - Turns the screen off aer a set me of no user interacon to prevent driver
distracon. The unit connues recording and the screen can be woken up at any me by
pressing any buon.
Built-in Capacitor(No Lithium Ion Baery) - Ensuring normal operaon under sunny and hot
codions.
PRODUCT SERVICE AND SUPPORT
For any quesons about operang or installing this new letown product, PLEASE CONTACT
US. The contact informaon for Letown will be different depending on the countries in which
you purchase and ulize the products. For the latest contact informaon,
please go to www.letowntech.com
For products purchased in the U.S.A., and you need factory service, please go
to www.letowntech.com and follow the instrucons for returning your product to the Letown
Factory Service Department.
YOUR DEVICE
WHAT’S IN THE BOX
● All Models
● Dash Cam
● Adhesie 3M Mount Bracket
● OBD ACC Car Charger
● 2.4 Micro USB Cable (for connecon to computer)
● LT9 Only
● OBD Radar module Power Cable
● LT9,LT9-B Only
● Rear Camera
● 20 Extender Cable for CAM2
● GPS Module
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38
2
14
5
6
7
9
10
11
1
Power
2
Speaker
3
Lens
4
USB Rear Camer Port
5
Mout Slot
6
Micro USB Power Port
7
GPS Port
8
Air Vent
9
HDMI Slot
10
Microphone
11
Reset Pinhole
OPTIONAL ACCESSORIES
CAMERA COMPONENTS
● OBD Radar module Power Cable : LT-Mount-001– Auto switch to parking mode when
you park your car. Triggered by the moon detector, the dash cam will automacally
record when people or things come closer to your car, and automacally power off if
nothing happens aer 30 seconds. It decreases the load on the dash cam, car baery
and memory card to the greatest extent possible and effecvely extends the service life
(powered by OBD power cable, automac protecon for baery under 11.6V low
voltage).
● GPS Mount: LT-Mount-002– Enables dash cams to embed GPS locaon, speed, G-
sensor, and compass informaon into videos.
● Rear Camera and Extender Cable : LT-Mount-003– Sony IMX323 1080P Camera+20
Extender Cable
Page 4

12
LED Screan
1
Press“P” button to turn on the uninterrupted
power supply.
2
Press“I”OR “II” to turn on the power supply ,
automatically cut down when flameout
13
Button 1
14
Button 2
15
Button 3
16
Button 4
17
Micro SD Card
12
13
14
15 16
17
The functions of Buttons 1-4 are indicated by the icon directly above
each button and change depending on the state of the unit.
(Default is “II” , Please turn the button to “I”
when this function is unable to use.)
(LT9-A , LT9-B)
Page 5

INSTALLATION (LT9-A , LT9-B)
MOUNT
1
POWER
2
DRIVE
3
To install the Adhesive 3M Windshield Mount peel the
plasc film off of 3M Adhesive. Press the mount to aach
onto the windshield.
Plug one end of the supplied OBD ACC Car Charger into
your vehicle’s OBD socket, and the other end into the
Micro USB port. The unit will automacally turn on and
start recording.
Dash Cams are designed to set and forget. Aer inial
setup, the unit will turn on and start recording as soon
as power is applied. When the Micro SD card is full the
oldest footage will be deleted to make way for the new.
If you witness something that you don’t want to be deleted,
simply press the Emergency Record buon and it will be saved forever.
OBD Solt
Windshield
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MOUNT
1
POWER
2
CAM 1 GPS
CAM 2 (LT-Mount-003)
Windshield
Back window
CAM 1 - To install the Radar and the Adhesive 3M
Windshield Mount peel the plasc film off of
3M Adhesive. Press the mount and radar aach
onto the windshield and insall the CAM1
CAM 2 – Aach CAM 2 to the windshield using the
adhesive tape too. CAM 2 is most commonly installed
facing out the rear on the top center of the rear
windshield. It can also be mounted on the front
windshield to record the interior of the vehicle.
● Plug the OBD ACC Car Charger into your
car’s OBD socket,then Insert the USB into
the dash cam USB port.
● Plug one end of Extender Cable into
CAM 2 and plug the other end of Extender
Cable into CAM 1
● Enter the Advance Seng to set the
GPS (GPSKM or GPSMPH is ok). Plug the
3.5MM plug into the GPS Port
● Organize and tuck away cables to make
sure that the driver’s view is not obstructed.
In most vehicles it’s possible to tuck cables
into the headliner and cleanly hide the extender
cable along the top wall all the way to the rear of
the vehicle.
(Professional installaon is recommended)
INSTALLATION(LT9)
Radar
Note: In order to achieve the best radar
sensor effect, it is recommended that the
radar module and the top of the windshield
be separated by 3 cm(1.2 inch)
Page 7

BASIC OPERATION
POWERING ON THE DEVICE
The device will power on automacally when plugged in
CONTINUOUS LOOP RECORDING:
EMERGENCY RECORDING
Once the memory card is full, the camera will connuously overwrite the oldest footage
recorded. To protect a clip so that it will not be overwrien, press the Emergency Record
Buon. The emergency record icon will show on the screen. Files can also be locked from the
playback menu in Video Viewer Mode.
Emergency Recordings create locked files that are not overwrien by Connuous Loop
Recording. In order to ensure that important footage isn’t lost surrounding an incident,
adjacent video clips are locked if the incident happens .
NAVIGATING MENUS
When in a menu, press or to navigate to the menu item you want to select or change
and then press to select or change the opon associated with that item. Pressing at
any me will exit the menu without saving changes.
The LED Indicator, located near the top right of the screen, communicates charging and
recording status even if the screen is off. LED operaon is detailed in the table below:
LED FUNCTIONALITY
Unit ON/
Screen ON
Unit ON/
Screen OFF Unit OFF
No LED
Recording : Blinking
Red (1s on / 1s off)
No Recording :Solid Red
Recording : Blinking
Red (1s on / 1s off)
No Recording :Solid Red
Page 8

VIDEO SCREEN (LT9 , LT9-B)
STATUS BAR ICONS
VIDEO SCREEN BASICS
The Video Screen is the home screen for the device and allows you to easily record HD video
of the road ahead of you.
When first powered on, the device will start on the video screen and automacally begin
recording.
Press the Record/Pause buon to start/stop recording.
Note that the buon funcons are different depending on whether the unit is currently
recording or not.
Also note that the unit must be paused in order to enter the Sengs Menu.
12 3
5
4
1. Indicate the recording me of the current clip.
2. Indicate the recording resoluon of dual camera video.
(Note: when recording dual camera video,the video resoluon is 1080P FHD mode)
3. Charging indicator when power is applying to the camera
4. The red cross mark will appear when the ADAS is switched on
5. GPS Icon: The red GPS speed Icon will appear when GPS plugged in dash camera.
Page 9

BUTTON OPTIONS (While Recording):
BUTTON OPTIONS (While Paused):
Emergency Recording(SOS) - If you don’t want a clip to be overwrien, simply click the
Emergency Recording buon and the clip will be protected. Clips are automacally
protected if an impact is detected.
Toggles the microphone on/off.
Pauses the video. While in an emergency recording you will have to press pause once to
cancel the emergency recording.
Enters the sengs menu to change the video sengs, general sengs, advance seng.
Enters the playback menu to review previous recordings and photos.
Invalid buon.(It can only be used while recording)
Starts a recording.
Takes a snapshot and stores it as a .JPEG file.
Page 10