Kingtop KT-Z2 User manual

User guide
Body Worn Camera KT-Z2
Manual Version: V1.0

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to change without notice and should not be construed as a commitment by Kingtop Corp.
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Software License
Proprietary Rights Provisions:
The software drivers provided with this product are copyrighted by Kingtop Corp. and/or
Kingtop Corp.’ suppliers. Although copyrighted, the software drivers are unpublished and
embody valuable trade secrets proprietary to Kingtop Corp. and/or Kingtop Corp. suppliers.
The disassembly, decompilation, and/or Reverse Engineering of the software drivers for any
purpose is strictly prohibited by international law. The copying of the software drivers, except
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DISCLAIMER
Thank you for purchasing our products, please read this manual carefully
before use. If the product breaks down during use, please contact our after-sales
staff in time.
The product is upgraded according to the customized version. Product
upgrades may cause some of the product features do not match the manual,
please refer to the actual product, or contact our customer service staff.
If you do not follow the instructions in the manual, any losses caused by this
will be borne by the user.
The final right of interpretation of this book belongs to our company.
Attention:
1、The installation and maintenance of this product is carried out by
professionals, please do not disassemble and repair and other operations by
yourself.
2、The product should be avoided in a strong electromagnetic radiation
environment to avoid interference with the image signal.
3、Avoid using in the place of strong light source and unstable light source, so as
not to affect the service life of light-sensitive devices.
4、In order to ensure the safe use of the equipment, please be sure to use the
standard power adapter and keep away from fire sources.

Contents
I. Body Worn recorder .................................................................................. - 1 -
1. Product Overview ....................................................................................... - 1 -
1.1 Product structure schematic ............................................................... - 1 -
1.2 SIM card installation method .............................................................. - 1 -
1.3 Product specification .......................................................................... - 2 -
2. Product features ......................................................................................... - 2 -
2.1 Key and interface description ............................................................. - 2 -
2.2 Interface icon description ....................................................................- 3 -
2.3 Introduction of basic functions ............................................................ - 5 -
2.3.1 Power on, power off .................................................................. - 5 -
2.3.2 Recording ..................................................................................- 5 -
2.3.3 Intercom and messages ............................................................- 7 -
2.3.4 Settings ..................................................................................... - 8 -
2.3.5 About .......................................................................................- 10 -
II. KVS-900 Scheduling Platform ............................................................... - 11 -
1. Platform operation module ........................................................................- 11 -
1.1 Login .................................................................................................- 11 -
1.2 Command Center ............................................................................. - 11 -
1.3 Data analysis ....................................................................................- 13 -
1.3.1 Video history playback ............................................................ - 13 -
1.3.2.Locate historical playback ....................................................... - 15 -
1.4 Device Management ........................................................................ - 16 -
1.5 Other functions ................................................................................. - 18 -
1.5.1 PTT group management ......................................................... - 18 -
1.5.2 Electronic fence .......................................................................- 18 -
1.5.3 Membership Credentials ......................................................... - 20 -
1.5.4 Face identification ................................................................... - 20 -
1.5.5 License plate recognition (set similar to face) ......................... - 21 -
1.5.6 Statistics ..................................................................................- 21 -

- 1 -
I. Body Worn recorder
1. Product Overview
4G HD Body worn recorder is a highly integrated device developed for
public security, urban management, border defense, courts, industry and
commerce and other law enforcement departments. The device supports
photography, video recording, audio recording, local storage, infrared night
vision, GPS positioning, 3G/4G and 5G (5G products support) cellular network
wireless transmission, it also can upload video and location information directly
to the background through the cellular network or WIFI environment, the user
can watch the front-end back to the video through the web page.
The product is small in size, light in weight, easy to carry, one-handed
one-button operation, and is a powerful assistant for on-site law enforcement.
1.1 Product structure schematic
1.2 SIM card installation method
In the off state, open the SIM logo plug at the bottom of the device and
install the "Nano-SIM" card according to the instructions on the side of the card
slot. When installing, press the SIM card with the chip side facing the screen and
press the notch outward until there is a "click" sound, then the installation is
successful. When uninstalling the card, press the SIM card downward, and the
SIM card will be automatically ejected.

- 2 -
1.3 Product specification
Image sensor
High-pixel color CMOS image sensor
Wide-angle lens
FOV: 120 degrees wide angle, horizontal angle 105 distortion 16%
Video resolution
4K (5G product support) / 2K / 1080P / 720P
Video video format
File format MP4 video code: H264 / H265 Audio code: AAC
Recording audio format
WAV
Nightlight compensation
LED white light compensation, infrared night vision, 3 meters to see the face
facial features
Infrared night vision
Automatic infrared / manual IR
Battery
Built-in battery is replaceable, 3300 mAh
Continuous working times
9h
Full charging time
≤3h
WIFI network
Support WIFI 6 (5G product support), WIFI 5.8 and WIFI 2.4
Cellular network
China Telecom, China Mobile, China Unicom operators 3G / 4G / 5G (5G
product support)
GPS
GPS/Galileo/GLONASS/Beidou3
Storage class
Built-in microSD (TF) card, with up to 256G support
Operating temperature /
humidity
-30℃to 55℃/ humidity is less than 90%
Volume / weight
88mm*55mm*30mm/174g
Protection grade
IP68
2. Product features
2.1 Key and interface description
Key Name
Icons
Method
Description
Power
Short press
Long press
Power off state: long press, power on
Power on state: long press, power off prompt box;
Screen off state: press, screen on
Screen on state: press, screen off

- 3 -
2.2 Interface icon description
Standard Description:
(1) Whether the state of silence
(2)Platform connection status
(3)GPS signal status
(4)WIFI signal status
(5)Current circuit status
Menu
Short press
Short press: return to the parent page
Long press: switch the white light on
Record
Short press
Long press
Short press: audio recording( non-audio recording,
non-video recording state)
short press: stop the recording recording(When
recording state)
Long press: switch infrared
PTT
Long press
Group intercom
Video
Short press
Long press
Short press: video recording(Non-video status:)
Short press: stop video recording (video recording
state)
Long press: Pre-video
Photo
Short press
Long press
Short press: take a picture
Long press: switch the resolution
SOS
Short press
Long press
Long press: platform alarm (platform setting is
required)
Short press: video recording status , mark / cancel the
key mark
TYPE-C
interface
Connect the plug
Data transmission interface, charging interface
SIM
interface
Load/take out
Insert the SIM card

- 4 -
Marking
Display Description
The current battery level is in the following order. <5%, 10%, 20%,
30%, 40%, 50%, 60%, 70%, 80%, 90%, 100%
Charging status, the current battery level is in the following order.
<5%, 10%, 20%, 30%, 40%, 50%, 60%, 70%, 80%, 90%, 100%
The current 3G or 4G cellular signal is displayed in the following
order (weak to strong).
0 cell (no signal), 1 cell, 2 cells, 3 cells, 4 cells (full signal)
The current 5G cellular signal is displayed in the following order
(weak to strong).
0 cell (no signal), 1 cell, 2 cells, 3 cells, 4 cells signal (full signal)
The current WIFI signal is displayed in the following order (weak to
strong).
0 frame (no signal), 1 frame, 2 frames, 3 frames, 4 frames signal (full
signal)
Mute
Sound on
Disconnect to the platform
Connected to the platform
Video recording in progress (video files will be stored)
Video pre-recording in progress (video files are failed to stored)
Video recording(in a delayed end state)
Recording in progress
GPS not positioned
GPS has been positioned

- 5 -
2.3 Introduction of basic functions
2.3.1 Power on, power off
Power on: Long press the "Power on/off button", the video preview interface
will appear on the screen.
Description of labeling:
(1) Jump to the home page interface button
(2)Jump to settings interface button
(3)Flip camera button
(4)GPS coordinates and device SN number
(5)Date and time and storage remaining space/total space
size
(6)Current video resolution
Restart and Shutdown: Long press the
"On/Off button", "Shutdown" and "Reboot"
options will appear, operate according to
your needs.
2.3.2 Recording
(1) . Recording

- 6 -
1Turn on the video: In the power on state, tap the "video button" to
record, the video status logo appears.
Video recording status
2Stop recording: Press "Video key" to stop recording, the video status
identity will disappear, or the delay end state will appear.
3Video prerecording: long press the video button for video prerecording.
The icon appears, press and hold again to stop video prerecording.
Video prerecording status
4Key file marker: In the video state( video status marker appears),
press the "SOS" button to prompt "Highlighted" to highlight the currently
recorded file. If it is marked, tap the "SOS" button to prompt "Cancel Highlight" to
cancel the highlighting of the currently recorded file.
After the recording is finished, the video with "marked key files" will appear in
the upper right corner of the video preview list with .
(2) . Video Recording
Start recording: Tap "Recording Key" to record, and the a logo will be
displayed.
Stop Recording: If you are recording, tap "Recording Key" to stop recording,
and the recording logo disappears.

- 7 -
Voice recording status
(3) . Take a picture
Tap the "Photo button" to take a picture.
Video, audio and photo playback
2.3.3. Intercom and messages
Contact icon description:
Worn camera devices Group Platform
1PTT intercom
Press and hold the "PTT" key to apply for the right to talk in the group, and if
the application for the right to talk is successful, you can send the current
real-time voice.
View and Settings. In the main menu, select "Group Intercom" to enter the
intercom interface, click the "Group" button at the bottom right of the interface,
you can view and set PTT group intercom.

- 8 -
2Message
A new message will be digitally marked in red .
2.3.4 Settings
(1) . Network Settings
Support WIFI setting and mobile network (cellular network) setting
(2) . Video and audio settings
You can view and set: video resolution, photo resolution, video bit rate, video
frame rate, video quality, push stream quality, video segmentation, video
prerecording, video delay recording, loop recording, photo mode, night vision
mode, GPS recording, drop collision recording,

- 9 -
The following parameters can be set in the audio settings according to your
needs.
"Video resolution", the options are 4K, 1080P, 720P.
Photo resolution", the options are 64M, 54M, 42M, 38M, 34M, 25M, 17M, 13M, 8M, 4M.
Video encoding", the options are H264, H265.
Video frame rate", the options are 20, 30.
Video quality", the options are low, medium and high;
For "Audio encoding", the options are aac.
video segmentation", the options are 5, 10, 15 minutes;
video prerecording", the selection items are 10s, 15s, 20s, 30s, 60s, 300s, and 600s;
Loop video", select the item about Off and On.
Photo mode", the options are single shot, two consecutive shots, three consecutive shots, five
consecutive shots;
Night vision mode", the options are manual, automatic;
GPS recording", the options are Off and On;
Drop collision recording", the selection item is related to Off and On.
(3) . Platform settings
IP address and port number of the corresponding server can be set, the
server IP is 192.168.31.49, and the server port is 8888.

- 10 -
(4) . Native settings and about
You can view and set: Bluetooth, volume setting, time setting, screen
hibernation setting, screen brightness, beep, whole time chime, vibration alert,
security mode.
2.3.5 About
You can view:Device ID, user ID, user name, application version, system
version, check for updates, and so on.

- 11 -
II. KVS-900 Scheduling Platform
1. Platform operation module
It is mainly divided into: login, command center, data analysis, equipment
management and other functions.
1.1 Login
To log in, use user name, password and verification code, which are
consistent to be successful. A user can only log in at one place, and previous
logins will also be invalid. The demo platform authentication code is set to 1-digit
number.
1.2 Command Center
(1) Markup Notes.
❶Organizational Relations dialog box;
❷Live Video dialog box
❸Text Message Information dialog box
❹Listening dialog box
❺Basic information dialog box
❻Remote control dialog box

- 12 -
(2) Icon description
a. —Hide the display side frame.
b. Box/unbox the map tool: Click In the map interface box, the target device of the selected
location appears in the selected pop-up box.
c. —Clearly selected.
d. —Current 2D switch 3D map mode. —Current 3D switch 2D map mode
e. —Server performance status shows CPU, memory.
f. —switch on/off server camera
g. —switch on/off server micro
h. Device Base Information dialog box. Device base information: Displays the remaining storage
space, total storage space, power, device sn number, etc. of the device.
i. If the device is displayed offline—
—Pulling live video of the device
—Remote Control
—Send a separate message with the device
—Listening to device sounds
—More jump to data analysis interface video replay with automatic filling of device SN
j. —Live video, quad screen.
k. —Live video, sextant screen.
l. —Live video, eight-minute screen.
m. —Real-time video, and a 16-minute screen.
n. —Real-time video, with a 25-minute screen.
o. —Live video, stop all sub-screens.

- 13 -
p. —Live video, full-screen.
q. —Open and close the server performance display.
r. —Exit the account.
s. In the organization relationship dialog box, the corresponding account will be displayed. For the
corresponding organization relationship, the organization relationship of each account may be
different.
t. —organization. —device, click to locate the device location.
u. Device SOS alarm, press the device sos key.
1.3 Data analysis
It is divided into video history playback (device end, server), location history
playback module.
1.3.1 Video history playback
Video history playback, retrieval rules, whether there is a video on the first
day, and obtain the video list information in the specific time period.

- 14 -
— On the storage-state device
— On the storage-status device server
— Download video
— upload a video
— On demand video

- 15 -
1.3.2.Locate historical playback
Hide Events-> Start the playback
Video events
Recording events

- 16 -
Take photos of the event
1.4 Device Management
Add the device to enter the platform, and add any successful subaccount
that can display the device information in "Device Management". Click on the
corresponding device to modify the device information and replace the image on
the map. After a successful add device, you need to set the group relationship.
Otherwise, the organization relationship will not be displayed in the
corresponding account number. Organization relationship, corresponding device
account add, delete organization relationship.