Kedacom DSJ-U1-LPN User manual

KEDACOM
Body Worn Camera DSJ-U1-LPN
User Manual
V3
July, 2018

1
Contents
1Instruction............................................................................................................1
1.1 Appearance........................................................................................................1
1.2 Function Buttons ................................................................................................2
2Safety Instructions..............................................................................................4
3Startup..................................................................................................................5
3.1 Start Device........................................................................................................5
3.2 Viewing Interface................................................................................................5
4Basic Functions...................................................................................................7
4.1 Video Recording.................................................................................................7
4.2 Audio Recording.................................................................................................9
4.3 Photograph.......................................................................................................10
4.3.1 Continuous Shooting.....................................................................................10
4.3.2 Snapshot.......................................................................................................11
4.4 Text-Overlay Info..............................................................................................11
5Settings ..............................................................................................................12
5.1 Scan QR Code.................................................................................................12
5.2 QR Code ..........................................................................................................12
5.3 Case Linkage ...................................................................................................12
5.4 Mobile...............................................................................................................13
5.5 Advanced .........................................................................................................16
5.5.1 Video parameters..........................................................................................16
5.5.2 Protocol Access.............................................................................................17
5.5.2.1 GB................................................................................................................................17
5.5.2.2 VIID..............................................................................................................................22
5.5.2.3 ONVIF..........................................................................................................................24
5.5.3 Other .............................................................................................................24
5.5.4 Audio Compression.......................................................................................25
5.5.5 Audio Mixing..................................................................................................25
5.5.6 Timezone.......................................................................................................25
5.5.7 Video Format.................................................................................................26
5.5.8 Audio Format.................................................................................................26
5.5.9 Picture Resolution.........................................................................................26
5.5.10 Number of Continuous Shootings...............................................................27
5.5.11 Notice Tone..................................................................................................27
5.5.12 Screen Brightness.......................................................................................27
5.5.13 Auto Lock ....................................................................................................28
5.5.14 Lock Screen ................................................................................................28

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5.5.15 Record Duration..........................................................................................29
5.5.16 IR Settings...................................................................................................29
5.5.17 Pre-Recording Settings...............................................................................29
5.5.18 Limited Functionality ...................................................................................29
5.6 Location............................................................................................................30
5.7 WiFi..................................................................................................................31
5.8 Bluetooth..........................................................................................................32
5.9 Intelligent Recognition......................................................................................33
5.10 Wireless Transmission...................................................................................33
5.11 VLine Settings ................................................................................................35
5.12 VLine Storage Space......................................................................................36
5.13 Wake Up with Any Key...................................................................................36
5.14 About..............................................................................................................37
6VLine Functions ................................................................................................38
6.1 Chats................................................................................................................38
6.1.1 Create Chat Group........................................................................................38
6.1.2 Group Chat....................................................................................................39
6.2 Contacts ...........................................................................................................40
6.2.1 Groups...........................................................................................................40
6.2.2 Private Call....................................................................................................41
7File Management...............................................................................................43
7.1 Faces................................................................................................................43
7.2 Pictures ............................................................................................................44
7.3 Video ................................................................................................................44
7.4 Audio................................................................................................................45
8Specification......................................................................................................46

Body Worn Camera DSJ-U1-LPN User Manual
1
1 Instruction
Based on Qualcomm platform and meeting GA/T947-2015 standard of the public security industry,
DSJ-U1-LPN is a body worn camera for the policemen to record live video, take photos and record
audio as evidences during law enforcement.
1.1 Appearance
Dimensions of the device are 111.3mm (L) * 62.1mm (W) * 30.3mm (H), and it has irreplaceable
built-in EMMC storage card.
Picture 1-1 Appearance

Body Worn Camera DSJ-U1-LPN User Manual
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1.2 Function Buttons
Picture 1-2 Back panel
Note: When the light is dim and short-distance shooting is necessary, long-press on [IMP] button
for 3s to enable the LED lamp.
Picture 1-3 Front panel

Body Worn Camera DSJ-U1-LPN User Manual
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Picture 1-4 Side buttons 1
Picture 1-5 Side buttons 2
Note: Under the video recording mode, press audio recording button and after the notice tone
sounds, the video record will be saved and the audio recording starts; the indicator turns from red to
yellow. Under the audio recording mode, press video recording button and after the notice tone sounds,
the audio record will be saved and the video recording starts; the indicator turns from yellow to red.
Picture 1-6 USB interface

Body Worn Camera DSJ-U1-LPN User Manual
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2 Safety Instructions
DSJ-U1-LPN is a custom precise electronic device. To prevent damage on device caused by improper
operation during using, please follow the instructions below:
Use only the attached battery or battery and adaptor authenticated by this company. Never
electrify the device with power adaptor over the rated voltage; otherwise, the device may
be damaged.
Note: This device is equipped with replaceable battery and the design of the battery compartment
is intrinsically safe. If installing a wrong model battery or the polarity is inversed, it may cause
explosion or fire.
Do not use the device under temperature out of the specified range (-30degree ~ 60
degree) or the battery may be damaged.
Never make the battery short circuit, decomposed or throw it into fire.
Do not shield the heat dissipation part of the device.
If any liquid enters the device by accident, take out the battery immediately.
If the device is not used for a long time, take out the battery.
Battery replacement should be done within 30 minutes to avoid system time abnormality.
Charging Operation
You can charge the device in either of the following methods:
USB wire connecting to PC;
Attached power adaptor.
For repairing, please contact professional technicians or this company. Never
disassemble the device or transform it by yourself.
Disclaimer
KEDACOM body worn camera DSJ-U1-LPN reaches the industrial protection level IP67. If
you want to open the battery cover, please keep the device dry and away from water or other
liquids; when recovering the battery cover, make sure all sides are tightly locked; otherwise,
its waterproofness may be affected.

Body Worn Camera DSJ-U1-LPN User Manual
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3 Startup
3.1 Start Device
Start device: Long-press on the power button for 3s and it takes about 24s to enter the
system.
3.2 Viewing Interface
After starting the body worn camera, it is the viewing interface, from which user can see live
images through the camera.
Picture 3-1 Viewing interface
Status bar: icons of time, location info status, VMS registration status or viewing interface of
device through VMS, WiFi status, SIM card and battery status.
Note: If removing the battery for more than 10 hours and installing it again, the system will
restore to the default time: 8:00 a.m., Jan. 1st, 2016.
Quick setting: under the viewing mode, slide down from the top of the screen with a finger
and the quick setting interface will show. Enable or disable the functions displayed.
Picture 3-2 Quick Setting

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Information bar: show the date and available storage of the device. When recording video or
audio, show the icons of recording duration and recording status.
Viewing frame: image displaying in the pattern of 16:9.
Setting: go to the setting interface and configure device parameters and information display.
File management: browse or search videos, audios or pictures.
VLine: fixed group talking, temporary group talking, private call, contacts list management.
Picture 3-3 Interface

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4 Basic Functions
4.1 Video Recording
Under the viewing mode, press [Video Recording] button on the device and it will start recording after
the notice tone sounds. There will be a flashing icon on the screen which means the device is
recording a video. Behind the icon is the recording duration and the working indicator is constantly red.
Under the video recording mode, press [IMP] button on the device and after the notice tone sounds,
letters of “IMP” will show behind the recording duration and meanwhile it will capture a picture, which
means current recording is marked as important video. On the interface of video file searching, user
can check the “IMP” checkbox to search and playback important videos, or search and filter important
files through the management software.
Short-press on “IMP” button anytime to trigger an alarm and meanwhile capture a picture (with alarm
text) and save it in the body worn camera. If the body worn camera is registered to the VMS, the alarm
text will also be sent to the VMS.
Picture 4-1 Video recording
Under video recording mode, re-press [Video Recording] button on the device and after hearing the
notice tone, the video is completed and saved. Meanwhile, the device stops recording and the red
indicator turns green.
The max duration of a video can be configured in Settings > Advanced > Record Duration. When
the recording time exceeds the configured duration, it will be divided into multiple records. The body
worn camera applies automatic segmentation to record time and the max interval between 2 adjacent
records is no more than 0.1s.
Tap Settings > Advanced > Notice Tone > Recording > Flash Blink to enable flash blink during
video recording, and the LED lamp will flash every 3 seconds during video recording.