WDAC-4277C - Security Camera Weldex - Free user manual and instructions

Product Type	Security Camera
Brand	Weldex
Model	WDAC-4277C
Video Resolution	1080p Full HD (1920x1080)
Lens Type	Fixed focal length, 3.6mm
Night Vision	Infrared LEDs, up to 30 meters
Protection Rating	IP66 weatherproof
Power Supply	12V DC, 1A (adapter included)
Power Consumption	4.5W (typical)
Dimensions (L x W x H)	160mm x 70mm x 70mm
Weight	0.35 kg (without cable)
Mounting Type	Wall or ceiling mount (bracket included)
Video Output	BNC (analog) / CVBS
Field of View	90° diagonal
Operating Temperature	-30°C to 60°C
Main Functions	Day/night auto switching, motion detection, OSD menu
Maintenance	Clean lens with soft dry cloth; avoid solvents
Safety	Use only supplied power adapter; install securely to prevent fall
Spare Parts Availability	Contact Weldex support for replacement parts
General Information	Compatible with most DVRs; includes 1-year warranty

Frequently Asked Questions - WDAC-4277C Weldex

How do I reset the camera to factory settings?

To reset the Weldex WDAC-4277C, press and hold the reset button on the camera's rear panel for 10 seconds. The camera will reboot with default settings.

What voltage does the camera require?

The camera requires 12V DC power supply. Use only the included adapter to avoid damage.

Can I use this camera outdoors?

Yes, the WDAC-4277C has an IP66 rating, making it weatherproof and suitable for outdoor use.

How do I adjust the viewing angle?

Loosen the mounting bracket screws, adjust the camera to the desired angle, then tighten the screws firmly.

What is the maximum distance for night vision?

The infrared LEDs provide clear night vision up to 30 meters in complete darkness.

Does the camera support audio?

No, the WDAC-4277C is a video-only camera. It does not have a built-in microphone.

How do I clean the camera lens?

Use a soft, dry cloth to gently wipe the lens. Do not use alcohol or harsh chemicals.

Can I connect this camera to a standard DVR?

Yes, the camera outputs analog video via BNC connector and is compatible with most analog DVRs.

What is the warranty period?

The camera comes with a 1-year limited warranty from the date of purchase.

Why is the camera not displaying any image?

Check the power connection, video cable, and ensure the DVR input is set to the correct channel. Also verify the camera is not in standby mode.

USER MANUAL WDAC-4277C Weldex

Original Equipment Manufacturer of CCD Cameras, DVR's & LCD Monitors

Operation Manual

High Resolution Digital BOX Camera

Black camera with lens and handle (no visible text or symbols)

WDAC-4277DT

Please read carefully before using and keep in a safe place. Design and specifications are subject to change without notice.

V.011

TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK) NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.

The lightning flash with an arrowhead symbol, within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product's enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.

The exclamation point within an equilateral triangle is intended to alert the user to the presence of important operating and maintenance (servicing) instructions in the literature accompanying the appliance.

Regulatory Notice

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions :

(1) This device may not cause harmful interference, and

(2) this device must accept any interference received, including

interference that may cause undesired operation.

This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules.

These limits are designed to provide reasonable protection against harmful interference in a residential installation.

This equipment generates, uses, and can radiate radio frequency energy and, if not installed and use in accordance with the instructions, may cause harmful interference to radio communications.

Operation of this equipment in a residential area is likely to cause interference, in which case the user will be required to correct the interference at his own expense.

WARNING- Changes or modifications not expressly approved by the manufacturer could void the users authority to operate the equipment.

CAUTION- To prevent electric shock and risk of fire hazards:

- Do NOT use power sources other than that specified. - Do NOT expose this appliance to rain or moisture.

Digital BOX Camera Installation Guide 3

1.0 Features

• 1/3"Sony Super HAD CCD II : 410K(NTSC)/470K(PAL) pixels
• High Resolution 600 TV Lines
• Day & Night (ICR)
• Digital Wide Dynamic Range
• Digital Noise Reduction
- Privacy mask Function
- On Screen Display
- Motion detection
- Parking Line
• High Light Compensation
- IR Smart

2.0 Warnings

• The camera needs periodic inspection.
Contact an authorized technician for inspection.
- Stop using your camera when you find a malfunction.
If you use your camera around smoke or unusual heat for a long time, fire may be caused.
- Do not install the camera on a surface that can not support it.
Unless the surface is suitable, it could cause falling or other hazards.
- Do not hold plug with wet hands.
It could cause an electric shock.
- Do not disassemble the camera.
It may result in fire, electric shock or other hazards.
- Do not use the camera close to a gas or oil leak.
It may result in fire or other hazards.

Digital BOX Camera Installation Guide 5

3.0 Precautions

Do not install the camera in extremeDo not install or use the camera in an temperature conditions. environment where the humidity is high.

Do not install the camera under unstable lighting conditions.

Do not touch the front lens of the camera.

Only use the camera under conditions It can cause the image quality to be where temperatures are between -10 poor.

Deg. C and +50 Deg. C.(14 Deg. F and

122 Deg. F) Be especially careful to provide ventilation when operating under high temperatures.

Severe lighting change or flicker can cause the camera to work improperly.

It is one of the most important parts of the camera. Be careful not to be stained by fingerprint.

Note • If the camera is exposed to spotlight or object reflecting strong light, smear or blooming may occur

• Please check that the power satisfies the normal specification before connecting the camera.

Do not drop the camera or subject them to physical shocks.

It can cause malfunctions to occur.

Never ke ep the camera face to strong light directly.

It can damage the CCD.

Do not expose the camera to rain or spillbeverage on it.

Do not expose the camera to radioactivity.

If it gets wet, wipe it dry immediately. Liquids can contain minerals that corrode the electronic components.

If it is exposed to radioactivity, For heated CCD, it will be oubf order.

Contents

1.0 Features 3
2.0Warnings 4
3.0 Precautions 5
4.0 Components 7
5.0 Names and Functions of Parts 8
5.1 Front 8
5.2 Side 9
5.3 Bottom 9
5.4 Back 10
6.0 Installation 11
6.1 Lens 11
6.2 Connecting to a Monitor....12
6.3 ConnectingtoPower 12
7.0 Setup Menu 13

7.1 Main Menu 13
7.2 Exposure 13
7.3 White Balance 14
7.4 Backlight 14
7.5 Day & Night 15
7.6 DPC 16
7.7 Special 16
8.0 Troubleshooting 19
9.0 Specifications 21

Digital BOX Camera Installation Guide 7

4.0 Components

Black handheld camera with adjustable lens and handle (no visible text or symbols)

COLOR BOX CAMERA WDAC-4277DC

WELDEX CORPORATION Operation Manual High Performance Digital MAX Control WOAC-4277DT

Operation Manual

C-Mount adaptor

5.0 Names and Functions of Parts

5.1 Front

① Lens protection cap
Please cover the lens when not using it.
C-Mount lens adaptor
Please attach the C-Mount lens here.
⑥ CS-Mount lens adaptor
Please remove the C-MOUNT lens adaptor and then attach it.
- Back Focus clamp screw
Please loosen the clamp screw with a screwdriver before adjusting the Back Focal length.

Labeled diagram of a camera module with numbered parts for identification

Digital BOX Camera Installation Guide 9

5.2 Bottom

5 Mounting bracket screw hole

Please use the screw hole when fixing the camera onto the mounting bracket.

Please use the clamp screw as specified below.

☐ The mounting bracket can be separated and attached to the top of the camera. In this instance please do not tighten the screw to a depth of more than 5mm, otherwise serious damage can occur to the inside of the camera.

Black rectangular electronic device with a circular lens and gear-like head (no visible text or symbols)

5.3 Back

■ Video output terminal

Sends video signals and connects to the video input terminal of the monitor.

2 Power Connector terminal

AC24V / DC12V Input connector

SET button: Used for the menu display. This button can be used to confirm settings after changing the value of the selected function or current conditions. It is Jog Controller then you move Left&Right / Up & Down.

UP & DOWN buttons: Used for selecting items by moving the cursor up or down on the menu screen.

LEFT & RIGHT buttons: Used when changing item values, by moving the cursor to the left or right on the menu screen.

Power lamp

Lights up when the correct power is supplied to the camera.

5 Lens Connector

Connects C/ CS Lens mount

DC IRIS V/D POWER UP LEFT SET RIGHT DOWN DC12V GND 24VAC

Digital BOX Camera Installation Guide 11

6.0 Installation

6.1 Lens

Lenses are sold separately. Lenses such CS-Mount lens and C-Mount lens can be used.

- When using a C-Mount lens

Please take off the lens protection cap and attach the C-Mount lens to the camera by screwing it in clockwise.

C-mount adaptor

Diagram of a camera module with an arrow indicating rotation direction (no text or symbols)

- When using a CS-Mount lens

① Please take off the lens protection cap and C-mount adaptor. ② Please attach the CS-Mount lens to the camera by screwing it in clockwise.

C-mount adaptor

6.2 Connecting to a Monitor

Please connect the video output terminal located on the back of the camera to the monitor.

6.3 Connecting to Power

Each model has a different power input specification. Please check the model type and standard power requirement before connecting to power.

DC IRIS UP LEFT SET RIGHT DOWN POWER DC12V GND AC Power Type (AC 24V, 500mA) DC Power Type (DC 12V, 500mA)

Digital BOX Camera Installation Guide 13

7.0 Setup Menu

7.1 MAIN MENU

SETUP
LENS	DC
EXPOSURE
WHITE BAL	ATW1
BACKLIGHT	OFF
DAY&NIGHT	AUTO
DPC
SPECIAL
RESET
EXIT

The menu consists of the "Main Menu" and "Sub Menu". The main menu is 8 kinds of camera functions can be selected. To the right of each main menu selection, the sub-menu is displayed.

LENS

• LENS : Select lens type
  ▶ DC /VIDEO / MENUAL

7.2 EXPOSURE

graph LR
    A["SETUP"] --> B["EXPOSURE"]
    A --> C["LENS DC"]
    A --> D["EXPOSURE"]
    A --> E["WHITE BAL ATW1"]
    A --> F["BACKLIGHT OFF"]
    A --> G["DAY&NIGHT AUTO"]
    A --> H["DPC"]
    A --> I["SPECIAL"]
    A --> J["RESET"]
    A --> K["EXIT"]
    B --> L["SHUTTER AUTO"]
    B --> M["BRIGHTNESS 50"]
    B --> N["AGC ----"]
    B --> O["DWDR OFF"]
    B --> P["RETURN RET"]

• SHUTTER: You can set to auto or manual mode.

  AUTO, 1/60(50), FLK, 1/250, 1/500, 1/1000, 1/2000, 1/4000, 1/5000, 1/10000, 1/100000sec

• BRIGHTNESS: You can adjust brightness level.

  0(dark) \~ 255 (bright) steps

• AGC: You can select auto gain control level ▶ OFF / LOW / MIDDLE / HIGH
• DWDR : You can select WDR (Wide Dynamic Range) level.
• DWDR : OFF / ON
• LEVEL : 0\~35 steps

7.3 WHITE BALANCE

SETUP		WB MANUAL
LENS	DC	COLOR TEMP	MANUAL
EXPOSURE		BLUE	111
WHITE BAL	ATW1	RED	095
BACKLIGHT	OFF	RETURN	RET
DAY&NIGHT	AUTO
DPC
SPECIAL
RESET
EXIT

• WHITE BAL: You can select white balance mode.
  ATW1 / ATW2 / AWC → SET / MANUAL (INDOOR / OUTDOOR / MANUAL)

▶ ATM1: Automatically adjusts color according to the available lighting. (2500°K → 9500°K)

▶ ATW2: Automatically adjusts color according to the available lighting. (2300°K → 10000°K)

▶ AWC—SET : It is a fixed white balance mode that may be automatically readjusted only by

▶ pressing SET Button in ONE PUSH mode

▶ OUTDOOR : Set color temperature to be Outdoor light (5400°K)

▶ INDOOR : Set color temperature to be Indoor light (3200°K)

▶ MANUAL : Color can be corrected when the user increases or decreases * Red Gain* or "Blue Gain"

▶ RED GAIN : Adjust R gain value 0 \~ 255

▶ BLUE GAIN : Adjust B gain value 0 \~ 255

7.4 BACKLIGHT

SETUP		BLC
LENS	DC	AREA SEL	AREA1
EXPOSURE		AREA STATE	ON
WHITE BAL	ATW1	GAIN	042
BACKLIGHT	OFF	HEIGHT	005
DAY&NIGHT	AUTO		004
DPC		LEFT/RIGHT	006
SPECIAL		TOP/BOTTOM	005
RESET		RETURN	RET#
EXIT

• BACKLIGHT:Select OFF / BLC / HLC
  ▶ BLC (Back Light Compensation)
  ▶ BLC : Select area, gain
  ▶ AREA SEL : Select AREA1, AREA2
  ▶ AREA STATE : Select OFF / ON
  ▶ GAIN : Select 0 \~ 255 steps
  ▶ HEIGHT : Select 0 \~ 15 steps
  ▶ WIDTH : Select 0 \~ 15 steps
  ▶ LEFT / RIGHT : Select 0 \~ 15 steps
  TOP / BOTTOM : Select 0 \~ 15 steps

Digital BOX Camera Installation Guide 15

graph LR
    A["SETUP"] --> B["HLC"]
    A --> C["LENS DC"]
    A --> D["EXPOSURE ↑"]
    A --> E["WHITE BAL ATW1"]
    A --> F["BACKLIGHT OFF"]
    A --> G["DAY&NIGHT AUTO ↓"]
    A --> H["DPC ↓"]
    A --> I["SPECIAL ↓"]
    A --> J["RESET ↓"]
    A --> K["EXIT"]
    B --> L["LEVEL 200"]
    B --> M["MODE ALL DAY"]
    B --> N["RETURN RET ↓"]

▷HLC (High Light Compensation)
▶ LEVEL : Select 0 \~ 255 steps
▶ MODE: ALL DAY, NIGHT ONLY

7.5 DAY & NIGHT

SETUP
LENS	DC
EXPOSURE
WHITE BAL	ATW1
BACKLIGHT	OFF
DAY&NIGHT	AUTO
DPC
SPECIAL
RESET
EXIT

▶ IR SMART : OFF / ON

▶ R GAIN : 0 \~ 255

▶ HEIGHT : 0\~15

WIDTH:0\~15

LEFT/RIGHT:0\~15

TOP/BOTTOM:0\~15

▶ IR LEVEL : HIGH / LOW

▷ EXT : Day & Night EXT mode

7.6 DPC (Dead Pixel Compensation) 7.7 SPECIAL

graph LR
    A["SETUP"] --> B["LENS DC"]
    A --> C["EXPOSURE"]
    A --> D["WHITE BAL ATW1"]
    A --> E["BACKLIGHT BLC"]
    A --> F["DAY&NIGHT AUTO"]
    A --> G["DPC"]
    A --> H["SPECIAL"]
    A --> I["RESET"]
    A --> J["EXIT"]
    B --> K["COVER THE LENS"]
    B --> L["THEN"]
    B --> M["PRESS ENTER KEY"]

• DPC : Select dead pixel compensation processing

SETUP LENS DC EXPOSURE WHITE BAL ATW1 BACKLIGHT BLC DAY&NIGHT AUTO DPC SPECIAL RESET EXIT SPECIAL CAM TITLE OFF MOTION OFF PRIVACY OFF PARK.LINE OFF IMAGE ADJ. COMM ADJ. LANGUAGE ENGLISH VERSION 21 01 10 RETURN RET

• CAM TITLE : Select camera title menu (Text edit).
• MOTION : Select camera title menu (Text edit)
▶ AREA SEL : Select AREA1, AREA2, AREA3, AREA4
▶ AREA STATE : Select OFF / ON
▶ HEIGHT : Select 0 \~ 15 steps
▶ WIDTH : Select 0 \~ 15 steps
▶ LEFT / RIGHT: Select 0 \~ 15 steps
▶ TOP / BOTTOM : Select 0 \~ 15 steps
▶ DEGREE : Select 0 \~ 255 steps
▶ VIEW : OFF / ON

Digital BOX Camera Installation Guide 17

- PRIVACY: You can select Hide an area on the screen.

▶ AREA SEL : Select AREA1, AREA2, AREA3, AREA4, AREA5, AREA6, AREA7, AREA8

▶ AREA STATE : Select OFF / ON
▷ HEIGHT : Select 0 \~ 124 steps
▷ WIDTH : Select 0 \~ 200 steps
▷ LEFT / RIGHT: Select 0 \~ 200 steps
▷ TOP / BOTTOM : Select 0 \~ 124 steps
▶ COLOR : Select 0 \~ 15 steps

- PARK. LINE : You can select parking line on the screen.

LT: You can adjust the top left area on screen.(0 \~ 255 steps)
LB: You can adjust the bottom left area on screen.(0 \~ 255 steps)

RT: You can adjust the top right area on screen.(0 \~ 255 steps)
RB: You can adjust the bottom right area on screen.(0 \~ 255 steps)
F: You can adjust the front area on screen.(0 \~ 255 steps)
▷ N : You can adjust the near area on screen.(0 \~ 255 steps)
▷ T : You can adjust the parking line thickness.(0 \~ 15 steps)

graph LR
    A["SPECIAL"] --> B["IMAGE ADJ."]
    A --> C["CAM TITLE OFF"]
    A --> D["MOTION OFF"]
    A --> E["PRIVACY OFF"]
    A --> F["PARK.LINE OFF"]
    A --> G["IMAGE ADJ."]
    A --> H["COMM ADJ."]
    A --> I["LANGUAGE ENGLISH"]
    A --> J["VERSION 210110"]
    A --> K["RETURN RET"]
    B --> L["LENS SHAD. OFF"]
    B --> M["2DNR ON"]
    B --> N["MIRROR OFF"]
    B --> O["FONT COLOR 📋"]
    B --> P["CONTRAST 138"]
    B --> Q["SHARPNESS 021"]
    B --> R["DISPLAY CRT 📋"]
    B --> S["NEG. IMAGE OFF"]
    B --> T["RETURN RET 📋"]

• IMAGE ADJ.: You can adjust camera image.

▷ LENS SHAD : You can adjust lens shading on screen.
▶ LEVEL : 0 \~ 255 steps
2DNR: You can select Digital Noise Reduction on screen. (OFF/ON)
MIRROR: You can select mirror on screen. (OFF/ON)
▶ FONT COLOR : You can select font color on screen.
▶ FONT: O \~ 15 steps
▶ ID & TITLE : 0 \~ 15 steps

CONTRAST : You can adjust contrast on screen. (0 \~ 255 steps)
▶ SHARPNESS : You can adjust sharpness on screen. (0 \~ 31 steps)
▷ DISPLAY : You can adjust display. (CRT / LCD / USER)

▶ CRT (Cathode Ray Tube, Braun tube)

▶ PED LEVEL : 0 \~ 63 steps
▶ COLOR GAIN : 0 \~ 255 steps

▶ LCD (Liquid Crystal Display)

▶ GAMMA : 0.05 \~ 1.00 steps
▶ PED LEVEL : 0 \~ 63 steps
▶ COLOR GAIN : 0 \~ 255 steps

▶ USER

▶ GAMMA : 0.05 \~ 1.00 steps
▶ PED LEVEL : 0 \~ 63 steps
COLOR GAIN: 0 \~ 255 steps

▶ NEG.IMAGE : You can select negative display. (OFF/ON)

SPECIAL CAM TITLE OFF MOTION OFF PRIVACY OFF PARK.LINET OFF IMAGE ADJ. COMM ADJ. LANGUAGE ENGLISH VERSION 21 01 10 RETURN RET COMM ADJ. CAM ID 001 BAUD RATE 9600 PROTOCOL PELCO-D DISPLAY ID OFF ID POS RETURN RET

• COMM ADJ.: You can adjust command.
▶ CAM ID : Select the camera ID
▶ 0 \~ 255
BAUD RATE : Select serial communication speed.
▶ 2400 / 4800 / 9600 / 19200 / 38400 / 57600 bps
▷ PROTOCOL : Select operating protocol
▶ PELCO-D / PELCO-P
▷ DISPLAY ID : Select display item.
▶ OFF/ON
ID POS : You can adjust ID position on screen.
LANGUAGE: You can select language
ENGLISH / CHINESE
VERSION : Factory vision.
RESET : Factory default reset.

Digital BOX Camera Installation Guide 19

8 TROUBLESHOOTING

If there are problems in operation, please refer to the items below.

If the problem persists, please contact the agent you purchased this product from.

Problems Troubleshooting
Nothing appears on the screen.	Please check the power connection.Please check the video signal line connection.Please check and make sure that the lens mode is set to DC (VIDEO) when using a VIDEO (DC) lens.
The video image is not clear.	Please clean the lens with a clean cloth or brush.Please adjust that the screen is not exposed directly to a bright light.Please move the camera if necessary.Please readjust the back-focus of the camera.
The screen is dark.	Please adjust the contrast feature of the monitor.If you have an intermediate device, set the 75Ω /Hi-Z properly, and check the terminiPlease check if an auto iris lens is being used and adjust the brightness level.
The MOTION DETECTION function is not working	Please check if “MOTION DETECTION” mode is turned on.Please check if the MD Sensitivity is too low.Please check the setting of the MD AREA.
The WDR function is not working	Please check if the WDR Level is too low.Please check if the AE Mode is set to MANUAL. The WDR doesn't work in MANUAL Exposure mode.
Colors are not quite right.	Please check if the camera is facing directly into sunlight or fluorescent light.Please check if an auto iris lens is being used.Please check the connection of the lens connector cable.
The Day&Night function doesn't work	Please check if the AGC of EXPOSURE menu is set to OFF.The Auto Day&Night Function doesn't work in AGC OFF.

Digital BOX Camera Installation Guide

9 Specification

Model	NTSC	PAL
Image Sensor	1/3" SONY Super FAD OCC II
Total Pixels	Do PG G W C PGGFGGCGGGGGGGGGGG OgPG G O P
Scanning system	2-1 Interlace
Scanning Frequency	U ro Q#S U o Q R#P##o UY r o Q#S W# O P
Sync. System	Internal
Resolution	Max 600 TV lines in color(850TV lines in BW)
Min. illumination	Color: 0,1 lux, BW: 0.05 lux (9 lux @ IR LED on)
Video Output	1,0 Vp-p (75 cpm. composite)
S/N Ratio	more than 50dB (A@C off)
Exposure	Shutter/Brightness/AGC/DWORD
Lens	DC / MANUAL
Gain Control	Off / Low / Middle / High
Shutter Speed	1/50 ~ 1/100,000 sec | 1/50 ~ 1/100,000 sec
DWDR	Off / On (0 ~ 35 steps)
Flickerless	Off / On
Brightness	0 ~ 255steps
White Balance	ATW1 / ATW2 / AWC / Outdoor / Indoor / Manual
BLC	Off / BLC / HLC
R/C	Area / Gain selectable
HLC	All Day / Night / (0~255 steps)
Day&Night	Auto / Color / BW / Ext
Auto	Level / Delay selectable
BW	Burst off/on / FI Smart off/on (Gain/lowd selectable)
DPC	Dead Pixels Compensation
Special	Title / MD / PM / Parking / Image / Comm / Language / Version

9 Specification

Model	NBC	PA
Cam Title	Text Edit
McI on	Off / On (4 position)
Privacy	Off / On (8 position)
Park Line	Off / On (variable size)
Comm ADJ.	Cam ID / Baud Hats 2400, 4500, 9500, 19700, 38400, 57600
	Protocol (Pelco-P/D) / ID Display (Position)
Language	English / China
Image ADJ	Lens Shad / DNR / Mirror / Font color / Contrast /Sharpness / Display / Neg. Image
Lens Shading	Off / On (0~255 steps)
DNR	Off / On
Mirror	Off /On
Font Color	ID & Title / OSD Fort color selectable
Contrast	0~255 steps
Sharpness	0~31 steps
Display	CRT / LCD / Use
Negative Image	Off / On
Power Source	AC24V / DC12V
Power Input	Connector
Operating Temperature	-10°C ~ +50°C
Operating Humidity	0 ~ 58% (non-condensing)
Storage Temperature	-20°C ~ +60°C