Avycon AIVO-35T User Manual
HD-TVI / Network tester
User’s Manual
（AIVO-35T）
Thank you for purchasing AIVO-35T All-in-one tester. Please read the manual thoroughly before
use AIVO-35T All-in-one tester for the first time.
Please read the「Safety Information」section in the manual carefully.
Please keep the manual in safe place for the future reference.
Keep the S/N label for the future RMA purpose. Product without S/N label will be charged for
RNA repair service.
If there is any question or problem using AIVO-35T All-in-one tester, please contact AIVO
technical support.
Content
1. Safety information ----------------------------------------------------------------------------------------------------- 1
2. IP Camera Tester Introduction --------------------------------------------------------------------------------------- 2
2.1 General --------------------------------------------------------------------------------------------------------- 2
2.2 Features -------------------------------------------------------------------------------------------------------- 3
2.3 Function -------------------------------------------------------------------------------------------------------- 5
2.4 Packing list -------------------------------------------------------------------------------------------------- 11
2.5 Function interface ------------------------------------------------------------------------------------------ 12
3. Operation -------------------------------------------------------------------------------------------------------------- 16
3.1 Installing the Battery --------------------------------------------------------------------------------------- 16
3.2 Instrument connection ------------------------------------------------------------------------------------- 17
3.2.1 IP camera connection --------------------------------------------------------------------------- 17
3.2.2 Analog camera connection --------------------------------------------------------------------- 18
3.2.3 HD Coaxial camera connection --------------------------------------------------------------- 18
3.3.1 Video monitor test (PTZ control) ------------------------------------------------------------- 22
3.3.2 Color-bar generator (TV OUT) --------------------------------------------------------------- 31
3.3.3 ONVIF --------------------------------------------------------------------------------------------- 32
3.3.4 IP camera test ------------------------------------------------------------------------------------- 41
3.3.5 TVI camera test ---------------------------------------------------------------------------------- 44
3.3.6 IP address scan ----------------------------------------------------------------------------------- 49
3.3.7 PING Test ----------------------------------------------------------------------------------------- 49
3.3.8 Cable test ------------------------------------------------------------------------------------------ 50
3.3.9 Port finder ----------------------------------------------------------------------------------------- 51
3.3.10 Data monitor ------------------------------------------------------------------------------------ 52
3.3.11 Digital Multi-meter（*Optional ） -------------------------------------------------------- 53
3.3.12 Media Player ------------------------------------------------------------------------------------ 59
3.3.13 Audio player ------------------------------------------------------------------------------------ 60
3.3.14 LED Flashlight --------------------------------------------------------------------------------- 60
3.3.15 POE Voltage Meter -------------------------------------------------------------------------- 62
3.3.16 Calculator ---------------------------------------------------------------------------------------- 62
3.3.17 Browser ------------------------------------------------------------------------------------------ 62
3.3.18 IP camera viewer ------------------------------------------------------------------------------- 63
3.3.19 DC12V power output -------------------------------------------------------------------------- 65
3.3.20 Application tools ------------------------------------------------------------------------------- 66
3.3.21 APPS Tools ------------------------------------------------------------------------------------- 75
3.3.22 System Set --------------------------------------------------------------------------------------- 76
3.3.23 Update -------------------------------------------------------------------------------------------- 79
3.4 DC12V 1A power output --------------------------------------------------------------------------------- 79
3.5 Audio test ---------------------------------------------------------------------------------------------------- 80
4. Specifications --------------------------------------------------------------------------------------------------------- 81
4.1 General Specifications ------------------------------------------------------------------------------------- 81
4.2 Multi-meter specifications -------------------------------------------------------------------------------- 83
4.3 Optical power meter specifications --------------------------------------------------------------------- 86
4.4 Visual fault locator specifications ----------------------------------------------------------------------- 86
1 Safety information
The tester is intended to use in compliance with the local rules of the electrical usage and avoid to apply
at the places which are inapplicable for the use of electrics such as hospital, gas station etc.
◆ To prevent the functional decline or failure, the product should not be sprinkled or damped.
◆ The exposed part of the tester should not be touched by the dust and liquid.
◆ During transportation and use, it is highly recommended to avoid the violent collision and vibration
of the tester, lest damaging components and causing failure.
◆ Don’t leave the tester alone while charging and recharging. If the battery is found severely hot, the
tester should be powered off from the electric source at once. The tester should not be charged over 8
hours.
◆ Don’t use the tester where the humidity is high. Once the tester is damp, power off immediately and
move away other connected cables.
◆ The tester should not be used in the environment with the flammable gas.
◆ Do not disassemble the instrument since no component inside can be repaired by the user. If the
disassembly is necessary indeed, please contact with the technician of our company.
◆ The instrument should not be used under the environment with strong electromagnetic interference.
◆ Don’t touch the tester with wet hands or waterish things.
◆ Don’t use the detergent to clean and the dry cloth is suggested to use. If the dirt is not easy to
remove, the soft cloth with water or neutral detergent can be used. But the cloth should be tweaked
sufficiently.
About Digital Multi-meter
◆ Before using, you must select the right input jack, function and range.
◆ Never exceed the protection limit values indicated in specifications for each range of measurement.
◆ When the tester is linked to a measurement circuit, do not touch unused terminals.
◆ Do not measure voltage if the voltage on the terminals exceeds 660V above earth ground.
◆ At the manual range, when the value scale to be measured is unknown beforehand, set the range
selector at the highest position.
◆ Always be careful when working with voltages above 60V DC or 40V AC, keep fingers behind the
probe barriers while measuring.
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◆ Never connect the meter with any voltage source while the function switch is in the current,
resistance, capacitance, diode, continuity, otherwise it will damage the meter.
◆ Never perform capacitance measurements unless the capacitor to be measured has been discharged
fully.
◆ Never measure any of resistance, capacitance, diode or continuity measurements on live circuits.
Visual laser sources
When you turn on visual laser sources, please don’t stare at it, or will damage to eyes.
When not using it, Please turn it off and cover the protective cap.
2. IP Camera Tester Introduction
2.1 General
The 3.5 inch touch screen IP camera monitor and tester is designed for maintenance and installation of
IP cameras and analog cameras as well as other security equipment. The 480x320 resolution enables it
to display network HD cameras and analog cameras in high resolution. The unit supports many ONVIF
PTZ and analog PTZ control. The combination of touch screen and key buttons make the IP camera
tester very user- friendly.
The tester is also a great tool for Ethernet network testing. It can test PoE power voltage, PING, and IP
address searching. You can use the blue cable tracer to locate individual connected cables from a bundle
of cables. Test LAN cable for proper connection termination. Other functions include LED Flashlight,
DC 12V 1A power output and much more. Its portability, user-friendly design and many other functions
make the IP tester an essential tool for all installers or technicians.
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2.2 Features
3.5inch 480×320 touch screen, easy to operate.
ONVIF IP camera video testing.
Compatible with H.264/MPEG4/MJPEG IP cameras, such as Dahua, HIKVISION, and ACTI.
Customized service is available.
Built in Wi-Fi: receives video from wireless cameras or ONVIF cameras connected to the
network.
SDI Digital camera image display, record and screen snapshot （* Optional ）
HD CVI camera image display, zoom ,video record and playback ,Coaxial PTZ control and
call camera OSD menu（* Optional ）
HD TVI camera image display, zoom ,video record and playback ,Coaxial PTZ control and
call camera OSD menu
AHD camera image display, zoom ,video record and playback ,Coaxial PTZ control and call
camera OSD menu（* Optional ）
Analog camera video display. Auto adapts and displays the video in NTSC/PAL formats
Support more than 30 protocols, such as PELCO-P，PELCO-D,SAMSUNG etc
PEAK video signal level, SYNC signal level, Color burst Chroma level measurement, test
video signal attenuation（* Optional ）
Video image digital zoom to view the image in greater detail.
Snapshot function allows you to save the current image as a JPG file in the SD card.
Video recording and playback.
LED Flashlight.
4GB Micro SD card included
LCD screen brightness/contrast/color Saturation adjustable
Visual fault locator , to test fiber’s bending and breakage（* Optional ）
Optical power meter ,test fiber loss and value（* Optional ）
Digital Multi-meter , DC and AC voltage measurement, Resistance measurement （*
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Optional ）
Enhanced Color bar generator: PAL/NTSC multi-system color bar video generator
(Eight-system switchable, transmit/receive eight-system colorful images).
Cable tracer by sending an audio signal, enables the blue cable tracer to find the connected
cable from a bundle of cables.（* Optional ）
Ping test: PING is the most conventional network debugging tool; it is used for testing if the
connected IP camera or other network equipment’s Ethernet port is working normally and the
IP address is correct.
In digital IP surveillance applications, if the IP camera’s IP address is not known; the device
cannot be used. An IP address scan can quickly search for the connected IP camera or other
network device’s IP address
The PoE voltage test can test for PoE voltage when a POE switch is supplying POE power to an
IP camera
TDR cable test, test cable short-circuit and short-circuit（* Optional ）
Cable test: Tests LAN cable sequence of wires
Support RS485,Rate 600 ～ 115200bps adjustable
PTZ protocol analysis, control protocol command displays to check RS485 transmission
whether is normal, easy to find the fault device
PTZ control. Pan/tilts the P/T unit, zooms in/out the lens, adjusts the focus, aperture and
Sets and the preset position
DC12V 1A output power for cameras
Audio input t test.
3.7V 3000mAh,Lithium Ion Polymer Battery can last 10 hours for normal use after charging
for 4-5 hours. Remaining battery charge indicator
“*”Sign means the function Optional
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2.3 Function
2.3.1 Touch screen and OSD menu
The IP camera tester combines touch screen control and physical buttons. This combination makes the
tester very user friendly. The test meter allows you to move the function icons from the tester’s main
menu to the APPS tool folder or move them back to customize the main menu
2.3.2 WiFi
With built in WiFi, you can view the video from a wireless camera (ONVIF or customized camera) or
connect to a Wireless network.
2.3.3 IP camera test
The device is designed for ONVIF IP camera testing. It can display the image from an IP camera and
change the IP address.
The 3.5 inch 480x320 screen display allows the user to view the image with a sufficient screen size.
With the ONVIF tool, you can display the image from an IP camera and use the PTZ functions.
Currently the IP camera tester supports more than 70 brands' IP cameras, such as most, ACTi, Dahua,
Hikvision, Samsung, Honeywell and many more.
OEM service is available. Users can send us the ip camera mobile apps for our engineers try to add the
protocol to the tester.
2.3.4 SDI camera test （* Optional）
SDI digital video surveillance testing, support 720p 60fps / 1080p 30fps / 1080i 60fps
digital camera image test and video image zoom, record, screen snapshot, Photo viewer and
playback.
2.3.5 CVI camera test（* Optional ）
CVI camera tester, support720p 25,30,50,60fps/1080p 25,30fps,when CVI signal input,HD
CVI camera image display, zoom, view photos, video record and playback, Coaxial PTZ
control and call up the camera OSD menu.
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2.3.6 TVI camera test
TVI camera tester support 720p 25,30,50,60fps/1080p 25,30fps, when TVI signal input,HD
TVI camera image display, zoom,view photos,video record and playback,Coaxial PTZ control
and call up the camera OSD menu.
2.3.7 AHD camera test（* Optional ）
AHD camera tester, support 720p 25,30fps/ 1080p 25,30fps, when AHD signal input, AHD
camera image display, zoom ,view photos ,video record and playback ,Coaxial PTZ control
and call camera OSD menu.
2.3.8 Analog camera test
Displays an analog camera image on the 3.5 inch 480*320 resolution LCD screen. Supports PAL &
NTSC formats. The LCD screen's back light brightness, video image brightness, contrast and color
saturation are all adjustable.
2.3.9 Video level meter（* Optional ）
Perform NTSC and PAL video amplitude signal measurements for PEAK to PEAK, SYNC levels and
COLOR BURST Chroma level.
Video signal PEAK to PEAK level:
For NTSC format, the video signal level is 140±15IRE
For PAL format, the video signal level is 1000±200mV
If the level is too low, it will cause the image to lose quality and limit the distance it will travel over
cable. If the level is too high, it will lead to wash out of the image
SYNC level: Testing the amplitude of the video sync pulse to verify if the video level is correct.
For NTSC format, the SYNC level is 40 ± 5IRE
For PAL format, the SYNC level is 300 ± 35mV
If the level is too low, it will cause the image to not frame out properly. If the level is too high, it will
lead to a poor quality
COLOR BURST level: Testing the color burst level will determine if the burst signal is sufficient to
trigger the displays color producing circuit. Burst will diminish in amplitude over longer cable runs and
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can get fall below the threshold for the video display to show a color image.
For NTSC format, the Chroma standard level is 40 IRE
For PAL format, the Chroma standard level is 280mV
If the Chroma level is too low, the color will not be as deep, and some details of the image will get
washed out. If the Chroma level is too high, there will be spots on the image. If the coaxial cable is too
long, it will reduce the chroma level
2.3.10 PTZ controller
Display the input video images. Pan/tilt the P/T unit and zoom in/ out the image. Setup the controlling
parameters like protocol, communication port, baud rate, PTZ ID, pan/tilt speed; set and call preset
position.
2.3.11 Enhanced Color bar generator
The tester sends out color bars via its BNC output to the monitor. This is used to test for a problem in
the cable going from the camera back to the monitoring area
2.3.12 DC12V 1A power output
Power the camera with DC12V (1A) power output from the tester. It is helpful for demo and testing
when the power supply is not available
2.3.13 Audio testing
Test the audio from mic level input devices. Connect the tester and mic level device with the audio
cable. Supports record and save the audio.
2.3.14 Cable tester
Test LAN cable or telephone cable.
Connect LAN cable or telephone cable with the CCTV tester and cable tester. And then the connecting
status, cable type and the sequence of wires will be displayed, as well as display the serial number of
the cable tester kit.
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2.3.15 PTZ data analysis
Search the Control protocol code from Multifunction keyboard or DVR by RS485 interface, test the
PTZ control command data whether received anomaly and RS485 data transmission.
Screen displays 16 hexadecimal codes such as
PELCO-P:A0 00（Add） xx xxxxxx AF xx
PELCO-D:FF 01（Add）xx xxxxxxxx
2.3.16 Digital Image zoom on the monitor
Set image zoom up to 4X to get a closer look at all the image detail. Supports analog and many IP
cameras
2.3.17 Video screenshot
Capture the video image, and save it as JPEG file in the SD card.
2.3.18 Record
Capture the video frames as JPEG file
2.3.19 Playback
The recorded files can play directly via Media player or under the function of “Playback”.
2.3.20 Cable tracer（ * Optional ）
Cable identification by use of an audio signal. This function enables the blue cable tracer to find the
connected cable from a bundle of cables with an audio tone.
2.3.21 DHCP dynamic address assignment
Built in DHCP server: Dynamically assign IP address for the IP camera or network device.
2.3.22Access the dynamic IP address
The IP tester can directly access a dynamic IP address assigned from its DHCP server and use it as the
tester's IP address. No need to set a IP address manually.
2.3.23 Multiple network IP Cameras Test
Supports Multi- segmented Static IP address setting which can simultaneously test different segments of
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IP network cameras.
2.3.24 Network bandwidth testing
The network bandwidth test needs two IP testers to test bandwidth: one as a transmitter, the other as a
receiver.
2.3.25 IP address scan
The IP address scan can quickly search for connected IP cameras or another network device IP address.
2.3.26 PING Test
PING is the most conventional network debugging tool; it is used for testing if the connected IP camera
or other network equipment is working normally and the IP address is correct
2.3.27 Port Finder
The tester will send signals to make the connected PoE port flicker at a set frequency. This will enable
the installer to easily and quickly find the connected port for an Ethernet cable.
2.3.28 PoE Test
Test the PoE voltage from a PoE switch. The unit will clearly display the voltage for each wire in an
Ethernet cable.
2.3.29 Digital Multi-meter（* Optional ）
The tester built in highly stable and reliable 33/4 digit (6600) digital multi-meter. It is used for the DC
and AC voltage measurement, AC and DC current measurement, Resistance measurement, Continuity
test, Diode measurements, Capacitance measurement, Auto/Manual measuring range switching, relative
value measurement and locking. It is easy operation and professionally accurate.
2.3.30 Visual fault locator（* Optional ）
Visual Fault Locator with 650nm wavelength can emit red laser sources to test multi-mode and single
mode fiber’s bending and breakage, and Continuous light-emitting and 1HZ, 2Hz modulating light
output. It is indispensable tool in fiber project constructing, fiber net-work maintaining, optical
component manufacture and research.
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2.3.31 Optical Power Meter（* Optional ）
The IP camera tester adopts the most advanced handheld instrument specific integrated chip , achieve
ultra-low power operation, with the 3.5 TFT-LCD High-definition screen display ,five wavelength
calibration points 1625nm,1550nm ,1490nm , 1310nm , 1300nm , 850nm.Linear or nonlinear optical
power display, it can measure the optical power value, and also be used for Relative measurement of
optical fiber link loss. It is necessary tool for fibre-optic communication, cable television system and
security system maintenance.
2.3.32 LED Flashlight
Press the LED On/Off button to use the LED flashlight.
2.3.33 Screen image rotates 180 degrees
You can manually rotate the display 180 degrees using the settings.
2.3.34 TDR cable open circuit and short circuit measurement（* Optional ）
TDR cable testing, accurately measure BNC cable, network cable, controls cable’s open circuit and
short-circuits location. It improves working efficiency.
2.3.35 FTP Server
Start the tester’s Wi-Fi or connect the tester’s LAN port to the network. Once the tester is online, start
its FTP Server and directly access files from the tester’s SD card. This also allows for the user to
upgrade the tester firmware
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2.4 Packing list
1). Tester
2). Adaptor DC12V 1A
3). Network cable tester
4). Polymer lithium ion battery （3.7V DC 3000mAh ）
5). BNC cable
6). RS485 cable
7). SC,ST connector（Only for optical power meter）
8). Multi-meter test leads one pair of red and black (only for the Multi-meter models)
9). Camera powering cable
10). Audio cable
11). TDR alligator clamp (only for TDR models)
12). Safety cord
13). Tool bag
14). User’s Manual
15) 4GB SD card
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2.5 Function interface
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1
Press more than 2 seconds, turn on or off the device ,short press to turn on or off
the menu display
2 Set key
3 Menu key
4 Near focus: Focus the image nearby
5 Far focus: Focus the image faraway
6 TELE: zoom in the image
7 WIDE: zoom out the image
8 Open/set ,Confirm the setting of parameters, open or enlarge the aperture
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Return/Close : Return or cancel while setting parameters of the menu, close or
decrease the aperture
10 Upward, set function or add parameter. Tilt the PTZ upward
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Rightward, select the parameter whose value will be changed. Add the value of the
parameter. Pan the PTZ right
12 Leftward, select the parameter whose value will be changed
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Downward, set function or reduce the value of the parameter. Tilt the PTZ
downward
14 Open/set ,Confirm the setting of parameters, open or enlarge the aperture
15 Snapshot
16 Video record
17 LED lamp
18 Confirm key
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Return/Close : Return or cancel while setting parameters of the menu, close or
decrease the aperture
20 The power indicator: it lights green while the tester is powered on by the adapter
21 The data accepted indicator: it lights red while the data is being received
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The RS485 data transmission indicator: it lights red while the data is being
transmitted
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The charge indicator: it lights red while the battery is being charged. As the
charging is complete, the indicator turns off automatically
Top interface
Left interface Right interface
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Video signal input（BNC interface）
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Video signal output（BNC interface）/cable tracer interface ( Optional)
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TDR cable test interface / TVI input (BNC interface)
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DC12V1A power output , for provisional DC power supply
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Not support RS232 communication
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LED flashlight (lamp)
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RS485 Interface: RS485communication for the PTZ
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LAN test interface
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PSE power sourcing equipment. Tests PoE voltage
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Audio input
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Reset key
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UTP cable port: UTP cable tester port/ Cable tracer port
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DC12V1.5A charging interface
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Micro SD card removable (comes with 4GB, supports up to 32GB)
3. Operation
3.1 Installing the Battery
The tester has built-in lithium ion polymer rechargeable battery. The battery cable inside battery
cabin should be disconnected for safety during transportation!
Usually it doesn’t need to disconnect the cable at the normal use
Pressing the key continuously can power on or off the tester.
Notice: Please use the original adaptor and connected cable of the device!
When the battery icon is full or the charge indicator turns off automatically, indicate the battery
charging is completed
When the Charge Indicator turns off, the battery is approximately 90%
Charged. The charging time can be extended for about 1 hour and the charging time within 12
hours will not damage the battery.
Notice :Press the key several seconds to restore the default settings when the
instrument works abnormally.
Multi-meter: the red and black multi-meter pen must insert the corresponding port.
Warnings: Instrument communication port is not permitted access circuit voltage over 6V,
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otherwise damage the tester.
Warnings: Not allow insert multi-meter pen in the current terminal to measure voltage
3.2 Instrument connection
3.2.1 IP camera connection
Power an IP camera with an independent power supply, then connect the IP camera to the IP tester's
LAN port, if the link indicator of the tester's LAN port is green and the data indicator flickers, it means
the IP camera and the IP tester are communicating. If the two indicators don't flicker, check if the IP
camera is powered on or the network cable is not functioning properly.
Warning: PoE switch or PSE power sourcing equipment only can be connected to tester “PSE
IN” port, otherwise will damage the tester.
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3.2.2 Analog camera connection
(1) The camera or dome video output is connected to CCTV IP Tester VIDEO IN,the image
display on the tester .
(2) IP Tester “VIDEO OUT” interface connect to the Video input of monitor and optical video
transmitter and receiver, the image display on the tester and monitor
(3) Connect the camera or the speed dome RS485 controller cable to the tester RS485 interface
(Note positive and negative connection of the cable)
3.2.3 HD Coaxial camera connection
*TVI camera are classified as HD coaxial cameras. Hereby the following instruction of how to connect
SDI camera to the tester is also applied to TVI camera.
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(1) Connect the SDI camera's video output to the IP tester’s “SDI IN” interface, the image will display
on the tester. The tester only come with SDI input interface. There is no SDI output interface.
(2) Connect the SDI camera or the speed dome RS485 controller cable to the tester RS485 interface
(Note positive and negative connection of the cable).
3.3 OSD menu
Press the key 2 seconds to turn on
Press the key 2 seconds to turn off
short press the key to enter sleep mode, press it again to test if tester work abnormally
and cannot be turned off , Press the key several seconds to turn off, the tester reset
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Select Icons to enter, if quit, Please click
Click SD card, install or remove SD card
Press function Icons seconds, tip: whether move this icon to APPS file, if some function not be often
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used, can move these function icons to APPS.
To move an app icon to the “APPS” folder, press and hold until the “move to apps directory” appears
on the screen then press OK to move it or Cancel
Click icon “APPS” tool, to show all collected function icons, Click , back to the tester’s
main menu
In APPS file, Select icon and press it for seconds, tip: whether move the file to the desktop?
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3.3.1 Video monitor test (PTZ control)
Analog camera test and PTZ control, click icon to enter
Display the input video image, click the top menu bar icon to enter video level meter,
(PEAK level, SYNC level, COLOR BURST measurement)
Select relative function on the right side Toolbar to operate , functions including “Photos”, “Snapshot” ,
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“Record” , “Playback” , “PTZ” , “Set” ,
Click to quit, or press back to menu.
Click the screen twice quickly, can be full zoom in on the touch screen.
3.3.1.1 PTZ controller parameter setting
Select and click icon “PTZ” ,to enter PTZ setting:
A. Protocol
Use the up and down arrow keys to move the yellow cursor to the “protocol ”, set corresponding
Protocol and support more than thirty PTZ protocols. Such as
Pelco-D,Samsung,Yaan,LiLin,CSR600,Panasonic,Sony-EVI etc.
B. Port
Click and move, to “port” Select the communication port for the PTZ camera controlling (RS485)
C. Baud
Move the yellow cursor to “Baud”, Select the baud rate according to baud rate of the PTZ
camera.(150/300/600/1200/2400/4800/9600/19200/57600/115200)
D. Address
Set the ID according the ID of PTZ camera (0~254), the setting address data must be consistent the
speed dome address.
E. Pan speed: Set the pan speed of PTZ camera (0~63)
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F. Tilt speed: Set the tilt speed of PTZ camera (0~63)
G. Set preset position (Set PS)
Click and select “Set PS”, set and save preset position number (1~128),
H. Call the preset position (Go ps)
Click and select “Set PS”, set and save preset position number (1~128), click “sure” to save,
Call some special preset number, can call the dome camera menu
Check and set the protocols, address, interface and baud, all must be consistent with the dome camera,
dome camera, then the IPC tester can test .After setting the parameter, the tester can control the PTZ
and lens
To control PTZ by screen touch:
Tap left, right, upward and downward on the touch screen to control the PTZ rotation direction. By two
fingers move outward and inward on the touch screen to zoom in and out the PTZ.
Press the key control the PTZ direction of rotation
Press or to switch on or turn off the aperture.
Press or adjust the focus manually
Press or manually adjust the zoom
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