KeCheng KC-368B User manual

130903 V1.1
Multifunction Video Inspection
Model: KC-368B
Operation Manual

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Multifunction Video Inspection
Model：KC-368B
Overview
KC-368B Multifunction video inspection has been designed as a user friendly and economical way of
solving hidden problems and increasing productivity. (eg. Inspect vent pipe and system of air conditioner,
machine equipment, engine and so on).
The product has a high clarity color LCD of 3.5 ’’ size. The camera head is connected to the probe and
with adjustable LED lights, which helps you to reach gaps and holes. The camera head can equip with several
accessories, which makes it flexible. The magnetic tip is used to pick up small metal objects. The mirror tip is
easy to view the 90 ° angle. The hook is used to grab onto objects.
KC-368B can take a photo wirelessly .It has built-in polymer lithium battery, also could use AC adapter
for charging with LED indicator. The screen can detach from grip, the back inside magnet facilitate hands-free
operation ,having functions of Micro SD interface、TV output interface、USB interface, supporting camera、
video、image zoom、rotation、computer connection .etc. It has the advantages of small size、clear image、stable
performance、easy operation and portability. It is widely used in applications such as the industry, the building,
the aviation, the vehicles maintenance.
Safety Instructions
Failure to follow the instructions listed below may result in electric shock or personal injury.
●Read and understand all instructions prior to any operation.
●Do not remove any labels from the tool.
●Keep the work area clean and well lit, cluttered and dark areas may cause accidents.
●Do not operate the tool with the presence of flammable/explosive gases.
●Do not use the product around corrosive chemicals, which can ruin the picture quality.
●Keep bystanders、children and visitors away while operating the tool.
●Stay alert, watch what you are doing and use common sense. A moment of inattention will result in serious
personal injury.
●Do not overreach. Keep proper footing and balance all the time.
●Always wear protective eyewear. Dust mask、non-skid safety shoes、hard hat or hearing protection must be used
for appropriate conditions.
●Do not place this product on any unstable cart or surface. The product may fall causing serial injury to a person
or serious damage to the product.
●For safety please always keep the video inspection away from any kind of liquid. Liquid increases the risk of
electrical shock and damage to the product.
●Do not use this device for personal or medical use.

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●The unit is not shock-resistant. Do not use it as a hammer or drop it.
Battery precautions
● Please use the standard factory power adapter, otherwise will destroy the inside battery.
● Please completely exhaust the power for the first time. And we recommend full charging and full discharging
for the first three times. And the charging time should not less than 12 hours. Fully activate the battery could
play maximum capacity of the built-in battery.
● The charging and discharging time differs because the different power from the factory.
● Please always keep the charging connector away from the metal and oily objects.
● Please fully charging the battery before it is not for use, to make sure the high performance while using.
● Don’t compress and puncture the inside battery.
● Please stop operating if the inside battery is broken.
● Don’t throw the product into fire, which will cause explosion.
● Please dispose the battery properly. High temperature will cause the battery to explode. Please follow the local
regulations for disposing the old battery.
Product Configures
1．Camera probe
2．LCD screen
3．Grip
4．Magnetic tip
5．Hook tip
6．Mirror tip

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7．DC adapter
8．One into two cable
9．Micro SD memory card
10．Micro SD to SD transition pocket
11．TV cable
12．USB cable
Product overview
A．Camera protection
B．Camera head
C．Probe
D．Probe connector
E．Channel indication（green）——the flash times corresponding CH1～CH4
F．——LED brightness decrease key
G．——LED brightness increase key
H．Low battery indication（red）
I．/CH——Switch/ exchange the wireless transmission channel
J．Charging interface
K．Charging light indicator
L．Charging light indicator
M．Charging interface
N．Micro SD interface
O．USB interface
P．Video Out
Q．
R．▲
S．MENU
T．▼
U．
V．LCD Screen
W．Base stand --Facilitate hands free operation

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X．
Y．Lock buckle
Z．Signal connection slot
Description for keys
Keys View mode Playback mode Menu set
Switch into playback
mode; Hold for 3s to
turn off t
he unit.
Switch into view mode; Hold for 3s
to turn off the unit.
Hold for 3s to turn off the
unit.
MENU
Switch into men
u set.
Switch into current file operation,
delete single、all、
format the memory
card .etc
Set functions、set date and
time
Take a photo
yourself
Show the last photo or video; Moving to left;
Take a video Show the next photo or video; Moving to right
▲ Image rotation Play、pause the video file; Moving up / progressive
increase data and time;
▼ Image magnify Stop video files; View six files or
six folders.
Moving down / progressive
decrease data and time;
Operation Instructions
●Battery Charging
1、Connect the DC cable to the grip or screen.
2、Plug the AC plugs to household power outlet.
3、The LED L turns red ,means charging.
4、The LED L turns green, means fully charging
5、Pull out the AC plug of adapter.
Notes：If you want to charge both the grip and screen, please use one to two cable. One single end to the
adapter, and the other two ends to screen and grip.
●Connect the display unit to camera probe
The inspecting grip must be connected to the camera head and probe. To connect the probe to the grip, make
sure the keyed ends are properly aligned. (Fig7). Once they are aligned, finger tighten the nut.
● Accessories installation
A、Accessories installation for standardΦ12mm camera head
If you need to use the three accessories as FIG2 (magnetic tip、hook tip、mirror tip), please accord the steps

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followed to connect.
As showed in Fig 8, hold the camera head .Slip the semicircle end of the accessory over the flats of camera
head . Then rotate the accessory 90°to fix ,as shown in Fig9.
B、Accessories installation for Φ9mm and Φ5.5mm camera head
The accessories for Φ9mm camera as showed in Fig.10. The accessories forΦ5.5mm camera as
showed in Fig.11; Install the accessories by screw thread. Please put on the thread protector if no need for
accessories；And put off the protector when you need to install accessories.
A．Hook tip B． Mirror C．Magnet
D．Screw thread protector E． Direction ball F．Mirror
G．Screw thread protector
● Connect the grip to screen
The product can work both the grip detach from screen and the grip attach with screen; Slide the slot
at the back screen into the slot of grip in the left direction until you hear the locking sound, which means
connection is finished. Press the lock buckler and slide to the right direction to detach the screen (FIG.12).
Note：The wireless function is off while the product works with screen on the grip, which ensures the image
quality not interfered by outside.
● Install Micro SD card
When the SD card inserted correctly, display on the screen; Otherwise display .
● U-disk function to computer
The USB2.0 interface on the screen could connect to computer for use. When insert the memory card, it can
be considered as a U-disk; When connect the USB2.0 cable to computer and power on, the LCD

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displays ”MSDC” , now the screen can be used as U-disk.
● Video output
If you want to view image from television, please connect the VIDIO OUT of screen to VIDEO IN of
television by video out cable, now the screen is off.
●How to work
1、How to operate the grip：
a、Press /CH key, the grip power to on, the times the green LED flashes means the corresponding channel
( The default channel is CH1).
b、Press to increase the two LED brightness.（Fig.13）.
c、Press decrease the two LED brightness.
d、Press CH to choose wireless transmission frequency, every press to choose
CH2——CH3——CH4——CH1 repeatly. （The green LED accordingly flashes twice——three
times——four times——once）.
2、How to view the screen
a、Insert the Micro SD to slot of memory card correctly.
b、Press to enter view mode, the screen automatically find the image signal. When the same receiving and
transmission frequency occurs, it is time to view image.
c、Press to take a photo (but no function key if no card), the files with be stored in memory card
itself .
d、Press to start record image (but no function key if no card), with red icon on the up screen, the files
with be stored in memory card itself .
e、Press ▲ for image rotation, every press to rotate 180°.
f、Press ▼ for zoom from 1 to 4.0 times with corresponding number indicator.
g、Press MENU to enter menu set.
h、Press to enter playback mode (with indicators if no card or no files).
i、Hold for 3s to turn off the product.
Note：The screen turn off itself if no signals in 3 minutes.

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Tips：When the system is on work ( especially in video status), Hot－Swappable of SD card will damage the
stored files or damage SD card, please carefully operate.
3、How to set screen Menu
a、In view status, press MENU to set menu.
b、Select the menus by pressing the four direction keys.
c、Press MENU to confirm the selection.
d、Press EXIT back to the last menu until enter view mode.
e、As showed in the followed table for set ( The color selection is factory set).
Function
Menu
Menu Selection Selection Parameter
Advanced
Setting
Photo Quality High Quality；Standard Quality；Low Quality；EXIT
Tuner Channel CH1；CH2；CH3；CH4；EXIT
Movie Quality QVGA；D1；EXIT
TV Output Standard NTSC；PAL；EXIT
Language English；French；Spanish；Portuguese；Chinese
EXIT
Auto Capture
Auto Capture ON；OFF；EXIT
Master Capture Photo 1；Photo 3；Movie 5s；Movie 10s；EXIT
File OverWrite Setting
ON；OFF；EXIT
EXIT
Set Time/Date
Set Time/Date YY/MM/DD
Photo TimeStamp On；Off；EXIT
Moive TimeStamp On；Off；EXIT
Resume to factory set Yes； No
EXIT
4、How to operate Playback mode（No selection if no memory card）.
a、Press ▼ to display the inside six images, press again to display different folders.
b、Press MENU to scan files or folders.
c、Press or to view the last or next image.
d、If it is video file, press ▲ to play video, press again to pause. Press ▼ to stop.
e、Press MENU to play files, press direction keys to select delete single、all or format the memory card.
f、Select EXIT to return to last menu until to playback mode.
g、Press to return to view mode.
Notes: While play video, press ▲ to play and pause video; Press once again to resume to play; Press ▼
to stop and exit for other operations.
5、This product is designed for hard-to reach distance inspection. Typical applications include HVAC inspection、
car inspection、circuitry、vessel and aircraft. While in operation, the product is easy to extend ahead. If there is
distance limitation, the accessories could be used to pick up the ring or screws on the floor.

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●Operation Precautions:
a、Please read the safety instructions carefully, choose desirable work area for fear causing danger.
b、The probe is flexible to help you operate in hard-to–reach areas. Please don’t insert or bend by force..
Please do not over bend any part of the probe. Normally, the bending radius should more than 5cm to prevent
from causing permanent damage to the probe.
c、Don’t use the probe or camera head to modify surroundings, clear pathways or clogged areas. It couldn’t
be used as a fishing rod or tape.
d、The hand-held display unit is not waterproof .The camera head and its cover are waterproof, but not
acid-proof or fireproof. Don’t touch with these materials or they will ruin the camera head’s protective plastic.
Avoid submersing the camera head into corrosive, oily places or high-temperature objects.
e、Don’t place the inspection into anything or anywhere that may contain a live electrical charge. Please
check following methods to avoid injury.
For walls: For inspecting the inside walls, be sure to shut off the circuit breaker to the whole house
before using the tool.
For pipes: If you suspect a metal pipe could contain an electrical charge, have a qualified electrician
to check the pipe before using. A ground circuit, in some cases, can be returned to the cast
aluminium pipes and cause them to be charged.
For automobiles：Be sure the automobile is not running during inspection. Metal and liquid under the hood
may be hot. Don’t get oil or gas on the imager head.
Operation Notes
●Please don’t operate this product unless the manual has been read and proper training has been completely.
●The red LED will on when low battery of the inside battery of grip; The “ ”displays if low battery of
screen.
●Don’t immerse the grip inspection into water, which will result in electric shock and damage.
●Only while the product is assembled well, the camera head is water-proof, but the grip and the screen isn’t
water-proof.
●Don’t use the product if white dew forms inside the camera head.
●If the tool couldn’t work well after turning it on. Please stop use and have the unit checked by a
qualified technician.
●Store idle product out of reach of children and other untrained persons. The tool is dangerous in the hands of
untrained users.
●Maintain the inspection tool with care. If the tool is dropped, check for the breakage ,which may affect the
tools’ operation. If it is damaged, have the tools serviced before using. Many accidents are caused by poorly
maintained products.

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●Use only accessories that are recommended by the manufacturer for your product. Accessories are suitable for
the tool, but may become hazardous when used on another product.
●Dry your hands before turning the tool ON or OFF.
● Protect against excessive heat. The product should be kept away from heat sources, such as radiators、heat
registers、stoves or other products (including amplifiers) that produce heat. Don’t use the tool near moving
machinery or areas where the temperature is exceed 45 .℃
● Please cover the camera protection while not in use.
● Store the product in ventilated and dry places.
Maintenance Instructions
●Product service must be performed only by qualified personnel. Performed by untrained personnel could result
in injury.
●When servicing the product, only use identical replacement parts. Use of authorized parts or failure to follow
maintenance instructions may create a risk of electrical shock or injury.
●Don’t attempt to disassemble the product other than the needs specified on this manual.
●Provide proper cleaning: don’t use acetone to clean the product. Gently clean the LCD with a soft dry cloth.
●Upon completion of any service or repair, please ask the service technician to check if the tool is in proper
condition.。
●Stop using the unit if it starts smoking or emitting noxious fumes.
●Please ask qualified person under the following conditions:
a、If liquid has been spilled or objects have fallen into product.
b、If product doesn’t operate normally even if you have followed the operation instructions.
c、If the product has been dropped or damaged in any way.
d、When the product exhibits a distinct change in performance.
Trouble Shootings
Problems Causes Solutions
Can’t charge.
Adapter didn’t connect well
with the product.
Please check and try again.
The connect or or cable is
broken.
Replace and try again.
Dead battery Ask a technician to replace the
battery.
The screen is on but
without image or shows
“No Signal”
1、Different channel set
between the grip and screen. Set the same channel.
2、The probe is loosed. Check and connect again.

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3、Stains on the camera head.
Check if exists stains
LED lighting appears to be
dimmer at maximum;
Display changes from
black to white, after one
moment the color screen
shut off itself.
Low battery Use adapter for charging
The product couldn’t
power on.
The circuit is in protection
status.
Use adapter for charging to
release.
Low energy of inside battery
Use adapter for charging
Dead battery Ask a technician to replace the
battery.
Unusual display or invalid
keys
Interference to the screen or
voltage fluctuation.
Please use the reposition key
inside the hole below the stand
base.
C a u t i o n s
● Don’t drop the product or use by force.
● Don’t disassemble the product to avoid failure.
● Don’t place the product with corrosive gas or objects.
● Don’t expose the product in vibration、high or low temperature.
● Store the product in a safe area.
● Don’t immerse the product into water, which will result in damage to product.●
Please charge the inside battery every three month if no use for long time.
Technical Specification
Name Multifunction video inspection
Model KC-368B
Recommended use Indoor
Viewable angle 60°
Focal length
12mm standard
50mm and 50cm for your choice
9mm optional 50mm
5.5mm optional
10mm
Outer diameter
of camera head
Standard 12mm（attachments: magnet, hook and mirror）
Optional
9mm （accessories: magnet, hook, mirror and screw thread
protector）
5.5mm（accessories: mirror, ball guide and screw thread
protector）
Probe length
for choice 12mm camera 1m/2m/3m or customized (max length 5m including extension)

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9mm camera 1m/2m/3m or customized (max length 5m including
extension)
5.5mm camera 1m/2m/3m or customized (max length 15m including
extension)
Extension for choice 1m, 2m, 3m
Image display 3.5″TFT/LCD
Image storage media Micro SD card (Support up to 16G）
Image resolution 640×480 pixels
LCD Resolution 320×240 pixels
Image zooming 4 times
TV output format NTSC/PAL
Wireless transmission frequency 2414MHz、2432MHz、2450MHz、2468MHz
Wireless transmission distance Up to 10M; If no obstacles, will more than 10M
Attachment Micro SD card、one into two cable、Micro SD to SD
transition pocket、TV cable、USB cable
Probe length 100cm or your required length
Probe and camera head protection
IP67
Light source High lighting LED
Adapter INPUT AC 100～240V（50～60Hz）
OUTPUT DC 5.5V 1.5A
Inside battery Polymer Lithium battery
Battery
capacity
Grip 1200mAh
Screen 1350mAh
Charging time of inside battery About 3.5 hours
Battery life About 2 hours
Operating temperature 0℃～45℃
Operating humidity RH 5%～95% non-condensing
Storage temperature -20℃～+60℃，≤85%（w/o battery）
Dimension Grip 266mm×73mm×80mm
Screen 100mm×82mm×26mm
Weight Grip About 155 g（w/o probe）
Screen About 175 g
Warranty
The product is warranted to be free from defects in materials and workmanship
for a period of one year from the date of purchase on the basis of providing relevant card.
Notice:
The warranty does not apply to the following conditions:
● Unauthorized disassembling the device will void the warranty.
● We are not responsible for any damage resulting from abrasion, water, dropping or
disassembling
Tips：Most parts of the product could be recycled, please refer to your local regulations for disposing of
them instead of throwing into the dustbin.