User Manual
THE STANDARD IN PRECISION MEASUREMENT
Video Borescope
Model 20250-27
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Introduction
The Digi-Sense Video Borescope (Model 20250-27)
is ideal for the inspection of ductwork, wiring locations,
piping, vehicles, and much more. Capture both still and
video images for playback on LCD, TV, or a computer
monitor. The adjustable LED light on the camera tip
provides the necessary light in dimly lit areas or adjusts
down to eliminate washout when viewing reflective
objects.
Unpacking
Check individual parts against the list of items below.
If anything is missing or damaged, please contact your
instrument supplier immediately.
1. Borescope with camera
2. 3.7 V lithium battery (installed)
3. USB cable
4. DC5V charger
5. Video output cable
6. Mirror, hook, and magnet
7. User manual
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Key Features
• Image and video recording
• LCD display with time and date
• Built-in 65M flash capacity
• Menu languages: English, French, German, Spanish
• Four LED lights for operation in dark environments
• TV-OUT
• USB charging (Li battery)
• USB2.0 connection to computer
• Image photo format (JPG, JPEG)
• Video format (MP4, AVI, 3GP, ASF)
Borescope Description
1. BACKLIGHT INCREASE button
2. BACKLIGHT DECREASE button
3. Up button
4. Hand shank (Li battery
compartment)
5. LCD
6. OK button
7. ON/OFF button
8. DOWN button
9. QUIT button
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8
9
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Attachment Description
1
1. Socket to connect to the
motherboard (camera socket)
2. Gooseneck
3. Camera
4. Motherboard socket
Panel Description
1. TV-OUT
2. SD card
3. RESET button jack
4. USB and charging port
Shank Description
1. PHOTO button
(back of the instrument)
2. VIDEO button
(back of the instrument)
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2
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4
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Setup and Operation
Power
Press the ON/OFF button for three seconds to enter camera
mode. Hold the ON/OFF button for three more seconds to
close the instrument.
LED Adjustments
To adjust the built-in LED light on the camera head: While in
camera mode, increase the light level by pressing the
BRIGHT+ button until the brightest level displays on the top left
of the screen. Decrease the light level by pressing the
button until the light turns off. (10=brightest;
1=darkest and when at 0, the LED turns off.)
Rotating Images
In camera mode, press the UP
rotate image angle from 0° to 180°. Also, press the UP button
or the DOWN button to adjust the angle on the screen to
display a suitable image.
Saving Images
In camera mode, press PHOTO
To save the current time and date on the image, select DATE
LABEL in the System Setup/Time menu. Select On and the
current time and date will display on the saved image. Select
Off and no time and date will display on the saved image.
Saving Video
Hold the
video. A video symbol will flicker and display in the upper left
side of the screen. The memory capacity will display at the left
bottom of the screen indicating the current available memory
capacity. When the capacity is depleted, a dialog box will
appear to indicate insufficient memory capacity. Stop
recording by pressing the VIDEO button. The video can be
played in the System Setup>Explorer>Video Player menu.
VIDEO button for three seconds to start recording
button or the DOWN button to
button once to save an image.
BRIGHT
-
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System Setup
1. Press the DOWN button, to move cursor to
the right; press the UP button to move it to
the left. All of the icons can be selected by
using the UP/DOWN buttons. In both the
Image and Video selection interface, the
UP/DOWN button is used for selection.
2.
With the unit powered on,
press the OK button. The
following dialog box pops
up: Press the UP/DOWN
buttons to move the cursor
to YES, then press the
button to enter into system
setting, shown at right:
3. For the Language setting: Press the OK
button to enter into the Language Setting.
Select your preferred language with the
UP/DOWN buttons, then press the OK button to save the language setting and return
to the main menu. Press the
quit.
4. To Set Time: Press the UP/DOWN buttons
to select Time and press the OK button to
enter into the Time setting. Move the cur
sor with UP/DOWN buttons to the functions you want to set up. Press PHOTO
button on back and VIDEO
to adjust the date and time. Press the OK
button to save the time setting and return
to the main menu or press the ESC button
to exit to the camera mode.
For the Date Label: To display date and time on the screen and
image, scroll down to Date Label and select On by pressing
the OK button; to turn off select Off and press the OK button.
OK
ESC
button to
button on back
-
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5. For the Automatic Shutdown setting:
Press the OK button to enter into the
Automatic Shut Down setting. Use the
UP/DOWN buttons to select from the
following options:
• Never
• 3 Min
• 15 Min
• 60 Min
Press the OK button to save your setting and return to the
main menu. The unit will turn off after not operating
according to the setting you chose. Note: The Auto-Off will
not be activated when recording or playing video.
6. For TV-OUT options: Press the OK
button to enter into the TV-OUT
setting. Insert the TV-OUT video cable
into the earphone, and plug the other
side of the cable into the video
components on your television (yellow
for VIDEO, red and white for left and
right channels).
Select the NTSC Output or PAL Output
menu options in accordance with the
video format of your television and press the OK button
to enter. The content will still be controlled with the
instrument but displayed on the television.
Select LCD output and OK button, to return to LCD display.
If NTSC Output or PAL Output is selected with no video
cable connecting to the television, press the power ON/OFF
button to turn off the LCD display and press this button
again to turn it on.
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7. To select Memory options:
The borescope is set up to use either
built-in flash memory or a removable
SD card. To select memory option, go
to Memory and press the OK button.
Press the PHOTO button on the back
and VIDEO button on the back to select
the memory medium (either Flash or
SD). Select Work space and press the
OK button to confirm. If formatting
operation is needed, select Format then press the OK
button. A pop-up box will appear and Yes should be
selected to complete formatting. Select Exit and press
the OK button to return to the main menu.
8. For Picture and Video Playback: Press
the OK button to enter into Explorer.
• Select Video Player and press the
OK button for the video interface.
• Select Picture View and press the
OK button for the picture interface.
Use the UP/DOWN buttons to toggle
through pictures or videos. Select the
OK button to view the pictures or video on the LCD. Press
the ESC button to return to Explorer from picture and video
playing.
Select Exit to return to the main menu. Note: In the video/
picture directory, press the BRIGHT + button to delete the
current video or photo (each press deletes one photo or
video).
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9. For the LCD
setting: Select
the OK button
to enter into
Settings. Use the
UP/DOWN
buttons to toggle
through the
options. Press the
PHOTO button on
the back and the
VIDEO button on
the back to
increase or decrease the value. (The adjustment will
produce a slight effect and can be identified in the camera
mode only. This adjustment is not suggested for the
instrument that has been calibrated before delivery. Press
Default to return to the best-calibrated default value.
Select the OK button to return to the main menu.
10. To set the Power-Saving Mode:
Select the OK button to enter into
Power. The power-saving mode will
turn off the LCD after a set time while
in system setup but keep the system
running. Press any button to turn the
LCD back on. Press the UP/DOWN
buttons to select from the following
options:
• Never
• 30s
• 60s
• 180s
Press the OK button to save your setting and return to the
main menu. Power saving will not be activated under
video mode or when browsing files.
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11. To exit: In any setting in the system,
press the ESC button to return back
to camera mode.
Connecting to a Computer
Connect to a computer with the USB
cable. The instrument will automatically
power on and the LCD will display the
USB icon for two seconds and then
automatically turn off. Copy and delete controls are
available by computer operation. The buttons on the
instrument will be locked until disconnecting the USB cable.
Once the cable is disconnected, the LCD will power up.
Charging
Connect the USB cable to the DC5V charger and borescope.
The unit will automatically power on and enter into the
System Setup mode with a battery icon blinking on the top
right corner. This indicates the battery is charging. The icon
will stop blinking when charging is completed.
All the buttons are locked and remain unavailable while the
battery is charging. Disconnecting the USB cable will
release the buttons.
Reset Function
If the system stops operating unexpectedly, press the
RESET button on the left side of the instrument. The
instrument can be operated normally after powering up.
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Specifications
Display screen 3.2 inch TFT
Display pixel 240 (RGB) x 320
Photosensitive devices 1/4 inch CMOS
Sensor pixel 640 x 480
Photo resolution 640 x 480
Maximum number of frames (FPS) 30 FPS/S
Color digital (bit) 24
Focusing distance Fixed at 5-15 cm
Gooseneck length 1 m (2 m/3 m selectable)
Camera diameter 17 mm
Video format MPEG4/3GP/AVI/ASF
Photo format JPEG
Camera video format 3GP
Saved image format JPG(640 x 480)
SD card MAX 32 GB
Flash memory MAX 8 GB
Working voltage Li battery 3.7V/2000mA
Video working current Approx. 380mA
Static current MAX 20UA
TV-OUT PAL/NTSC system
Operating temperature 0 to 55°C (32 to 131°F)
Charging temperature 0 to 55°C (32 to 131°F)
Storage temperature –20 to 60°C (–4 to 140°F)
Storage humidity 15% to 85%
Data output USB data cable and SD card
Power supply a 3.7V/2000mA/h battery (1860)
Size (L x W x H) 240 x 100 x 160 mm (9
7
⁄16" x 315⁄16" x 69⁄32")
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Maintenance, Recalibration, and Repair
• The gooseneck should not be bent to a diameter less
than five inches.
• Take out the battery when the instrument is not in use
for a long period of time.
• Clean the camera before operation.
• Use only a 3.7V Li battery.
• To avoid electrical shock, the instrument and gooseneck
should not come in contact with high-voltage objects
during operation.
• To avoid instrument damage and injury, the gooseneck
cannot be inserted into rotational gear wheels.
For Product and Ordering Information, Contact:
1065DGMAN_20250-27 Rev.1
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Manual Part No. 00100-51
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