Ralcam H4-A Series User manual

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Company Profile
TABLE OF CONTENTS
Information about the device
Appearance Introduction
Display Introduction
Product Specifications
Operational Guidance
Battery Installation
APP Appearance
Troubleshooting
Application Environment
Cautions
Warranty Limitations
..................................................................6
APP Download

BORESCOPE
1EN
COMPANY PROFILE
The brand Ralcam belongs to Shenzhen Ralcam Co,
Ltd. We were established in 2010 and based in Shenzhen.
Ralcam is a professional high-tech manufacturer and
exporter that Specialize in the design, R&D and production
of high resolution and small diameter industrial endoscope.
More than 30 of our models are FCC CE ROHS certified
that compliant with GS regulations. We have a 26-person
R&D team, with well-equipped testing facilities, strong
technical force and excellent quality control. ralcam
borescope is committed to providing the best inspection
tool for our customer to make our customer no worry about
the problem of blind angle anymore. At present our research
and development directions are small diameter industrial
endoscope, HD endoscope, wireless endoscope, semi-
rigid endoscope and wide-angle HD endoscope.
Our mission: Let visual products enter thousands of
households and enhance family happiness and security.
Take you to explore all the unknown！

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2 EN
INFORMATION ABOUT THE DEVICE
Device description
1.The automotive steering borescope of H4-A series is
an important product and newly launched for the global
automotive aftermarket.
2.It is specifically used to detect narrow and small curved
spaces which are dif ficult to enter or hard-to-reach,such
as automotive evaporator boxes, dew chambers, three-
way catalytic sensors,etc.
3.This articulating borescope has a unique temperature
protection function and is equipped with a two-way
180°steering detection function, which is convenient for
users to put small probes into a small space, and then
transmit vivid, clear, all-round videos and dif ficult films
through the cable to show on the screen.
4.Meet your diversified inspection needs with advanced
extended accessories and real-time temperature display.

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3EN
1 Cell Phone Holder
2 Rotate Wheel
3 Handle
4 Elastic snake tube
5 Megapixels HD Probe
6 USB port
7 Type-C Charging Interface
8 Power/Charging Indicator Light
9 Power On/Off ,LED Adjust Button
10 Photo/ Video Button
11 Battery Cover
APPEARANCE INTRODUCTION
1
2
3
4
5
67
8
9
10
11

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4 EN
DISPLAY INTRODUCTION
12 Image rotation
13 resolution
14 Temperature
15 Setting
16 Play back
17 Snap/ video
18 Switch-over
12
13 14
15
16
17
18

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5EN
PRODUCT SPECIFICATIONS
H408A H406A
JPG：640*480/1280*720/1920*1080
AVI ：640*480/1280*720/1920*1080
Taking Photos,Videos Recording, Playback, Image Rotation,
High Temperature Early Warning Protection,etc
≈ 32mm ≈32mm
Flexible Metal Tube
Φ8.5 × 11.5mm Φ6.2×16mm
1/6"COMS , 1920×1080 ;20FPS 1/9 CMOS,1280×720；20FPS
80°90°
20 ~ 100mm 20mm~100mm
F/No.: 3.8; 3P+1IR F/No.: 4.7 ;3P+1IR
4 Level ,10 PCS LED
AWB: ON ; AGC:ON
IP67
Charging ; DC5V*1A; 3.7V/2600mAh; About 4 Hours
34*28*9CM, 1.3KG
10PCS/Carton 58*47*36CM，14.5KG
CE/FCC
-10C—50C˚ ; Less Than 90%˚
Model
System
Support Phone System
Menu Language
Snap Resolution
Video Recording
Resolution
Basic Function
Probe
Steering Radius
Steering
Snake Tube Material
Snake Tube Length
Camera
Camera Lens Diameter
Sensor
FOV
DOF
Lens Struc
Adjuster LED Light
AWB/ AGC
Camera Head IP Grade
Power Battery Life
Operating
Environment
Temperature &
Relative Humidity
Package Box Size
Carton Size
Certification
Qualification
Support Android and IOS,Harmony OS
Chinese Simplified, English,Chinese Traditional, Japanese,
German ,Spanish, French, Italian, Korean,
Steering Angle: Two-way 180° ; Steering Life ≥10000 Time
1M / 2M / 3M / Customizable
4 Level , 6 PCS LED

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6 EN
APP DOWNLOAD
APP Download and Installation Instructions
1. iPhone devices - Search for "Finder borescope" in the
Appstore or scanthe OR code to download and
install APP.
2. Android devices - Scan the OR code to download and
install APP
3. After the software installation is completed, the
interface will appear asshown in the following figure.
At this time, you can choose to click "Next''to skip it;
you can also click "File Selection"to insert a picture
with a pixel of750*87. For the production of post-test
reports.
Androld(Google Play)
IOS(App store)
(Picture fixed size: W: 750 × H: 87X)
License plateModel
milage kilometer
Test ef fect comparison
(after cleaning)
Test ef fect comparison
(before cleaning)
Please select the header
file selection NEXT
illustrate:
Please select photos
engineer
(Picture fixed size: W: 750 × H: 87X)

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7EN
1 . Install the Phone on the Holder
Adjust the adjustment knob of the mobile phone holder,insert
the mobilephone on the mobile phone holder (support 3.5
inch--6.3 inch screen mobilephone), connect the mobile
phone and the handle with a data cable
OPERATIONAL GUIDANCE
6.3inch
3.5inch
Press the Power Button for 2 seconds to turn on the device
( when power onthe indicator light turn GREEN) and the
Android mobile phone willautomatically open the application
software(But iPhone needs to open theAPP ), meanwhile the
snake tube LED will light on, the search interfaceappears,
presenting the image. Long press the Power Button for
2 seconds toturn of f.
2 . Power On/Of f

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8 EN
3 . LED Light Adjustment
After power on, the LED light is the brightest by default setting,
press thebutton to adjust the brightness, the brightness is
divided into 3 levels, and thefourth level is turning of f the
LED light.
4 . Photo/Video
Press the button to take a photo, the photo file is saved in the
Finder/cameraData directory of the phone, the format is JPG,
long press the handle buttonfor 2 seconds to enter the video,
the video file is saved in the phoneFinder/Camera Data
directory, the format is AVI.
5 . Charging
Please use the 5V adapter or mobile power supply to connect
to Type-C USBcable for charging. The charging voltage and
current is 5V/1A. If the voltageis too high, it may burn the
borescope.
NOTE: Fast charging is not supported.

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9EN
BATTERY INSTALLATION
1 . Unscrew the handle battery screw cover and take out
the battery
2 . Please pay special attention that the positive and
negative poles of thebattery correspond to the positive
and negative poles on the endoscopehandle. After fixed,
close the battery cover and Tighten the screw
NOTE: Before replacing the battery, please make sure
the device is dryand shut down.
+Positive
-Negative

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10 EN
APP APPEARANCE
1. Clean cache 2. Language
3. PDF report
You can produce the PDF
report as follows.
4. Equipment statistics
You can check the cumulative
use time and boot times.

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11EN
TROUBLESHOOTING
Fault Possible causes Method
Unable to
Power-on
1.Dead Battery
2.Incorrect Installation
1.Please recharge or replace the battery.
2.Please check the battery and battery
compartment contact if it is dirt or
deformation then reinstall the battery
Auto Power-off Low Battery Please recharge or replace the battery.
Boot screen
stuck
1. System Booting
Failure
2. Interface of the Data
Cable is Dirty Data
Cable Dysfunction
1. Restart the APP/Phone
2. Clean the Cable Interface and Plug
again Replace the Data Cable
1. The APP didn’t get
the Permission Access
APP incompatible with
the OS
1. Allow the Permission Access in the
Permission Manager
2. Uninstall the APP and install a new one
Try another Phone to Check whether the
Borescope is Dysfunction or not
Image cannot
be recorded or
found
The APP didn't get the
Permission Access
1. Allow the Permission Access in the
Permission Manager
2.Uninstall the APP and install a new one
3. Search“FINDERCameraData" in the
File of the Phone Storage
Can't charge
1.The charging interface
is dirty.
2.Damaged charging
cable.
1.Clean the charging interface and replug it.
2.Replace the charging cable or adapter
Blurry Image
1.The probe is dirty.
2.Probe is not within the
range of the depth
-of-field.
3.Damaged lens due to
high temperature.
1.Clean the probe with the lint-free cloth
within the package.
2.Please place the probe within the depth
of field range of 20-100mm.
3.Do not place the probe in a high
temperature environment (below 70°C).
The probe
steering range
is too small
Snake tube is distorted Please place the snake tube straight

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12 EN
APPLICATION ENVIRONMENT
For professional maintenance personnel, this portable
articulating car endoscope can be used to detect places
where the human eye can't see without disassembling
the machine or damaging the instrument. It can be applied
to precision instrument testing, engine overhaul, auto
repair, pipe line overhaul, building maintenance, air
conditioning overhaul, and so on.
Operating
Temperature
Input Voltage
Humidity
Waterproof
Level
Snake Tube
Whole Machine
-10°C-70°C
-10°C-50°C
DC5V
15%-90%
No Operating
Under the Water
Whole Machine
Whole Machine
Whole Machine
WARRANTY LIMITATIONS
Join the Ralcam family, Enjoy a No-Worry Warranty policy:
1. 6-month warranty for quality-related issues.After checked
the root cause is caused by defective manufacturing
process or component damage via our professional
maintenance engineer.
2. We take care of all quality-related issues
with a REPLACEMENT
REMINDER: Be sure to use your product as directed.
Free services will not be available in the following situations:
1 . Damage caused by improper storage.
2 . Damage caused by the customer's own disassembling.
3 . Damage caused by the customer's own modification.
4 . Damage caused by other irresistible factors.

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13EN
CAUTIONS
Please read this manual carefully before using this
product, and follow the instructions to avoid the damage
caused by improper use.
1 . Please don’t use our snake tube camera with other
manufacturers borescope parts without authorization, even
if the interfaces are the same.
2 . Please don’t use the product in areas where it may be
exposed to wire or charged objects, as the exposed metal
parts can be electrically conductive and may cause
unexpected accidents.
3 . Please don’t allow minors to operate this borescope
separately, and it’s forbidden to use this borescope for
medical or human and animal testing
4 . Please keep the product clean, avoid exposure to the sun,
or direct contact with water, oil and corrosive liquids.
5. NOTE: The whole borescope is NOT WATERPROOF!
But IP67 Waterproof lens, Please dry the water stain on the
lens after use
6 . Please take it lightly, do not over-tugging the tube,the
maximum bending of the snake tube is one circle.
7 . Please make sure that the Wheel is returned to the neutral
position before pulling out the snake tube. It is strictly
forbidden to turn the Wheel roughly.
8 . Please use the original USB cable for charging