Prestel 4K-F4U3W User manual

Auto Framing 4K EPTZ Camera
Prestel 4K-F4U3W
User Manual
（V1.0）

1
Attentions
This manual introduces functions, installations and operations for this camera in details. Please read this
manual carefully before installation and use.
1. Cautions
1.1 Avoid damage to product caused by heavy pressure, strong vibration or immersion during transportation,
storage and installation.
1.2 Housing of this product is made of organic materials. Do not expose it to any liquid, gas or solids which may
corrode the shell.
1.3 Do not expose the product to rain or moisture.
1.4 To prevent the risk of electric shock, do not open the case. Installation and maintenance should only be
carried out by qualified technicians.
1.5 Do not use the product beyond the specified temperature, humidity or power supply specifications.
1.6 Wipe it with a soft, dry cloth when cleaning the camera lens. Wipe it gently with a mild detergent if needed.
Do not use strong or corrosive detergents to avoid scratching the lens and affecting the image.
1.7 This product contains no parts which can be maintained by users themselves. Any damage caused by
dismantling the product by user without permission is not covered by warranty.
2. Electrical Safety
Installation and use of this product must strictly comply with local electrical safety standards.
3. Install
3.1 Do not rotate the camera head violently, otherwise it may cause mechanical failure;
3.2 This product should be placed on a stable desktop or other horizontal surface. Do not install the product
obliquely, otherwise it may display inclined image.
3.3 Ensure there are no obstacles within rotation range of the holder.
3.4 Do not power on before completely installation.
4. Magnetic Interference
Electromagnetic fields at specific frequencies may affect the video image. This product is Class A. It may cause
radio interference in household application. Appropriate measure is required.

2
Content
1.Camera Installation.................................................................................................................................................. 3
1.1 Camera Interfaces............................................................................................................................................. 3
1.2 Camera Operation............................................................................................................................................. 3
2.Product Overview .................................................................................................................................................... 3
2.1 Product Introduction ........................................................................................................................................ 3
2.1.1 Model......................................................................................................................................................... 3
2.1.2 Dimension.................................................................................................................................................. 4
2.1.3 Accessory ................................................................................................................................................... 4
2.2 Main Features................................................................................................................................................... 4
2.3 Technical Parameter.......................................................................................................................................... 5
2.4 Interfaces Instruction........................................................................................................................................ 6
2.4.1 External Interface....................................................................................................................................... 6
3.Application Instruction ............................................................................................................................................ 7
3.1 Remote Control................................................................................................................................................. 7
3.1.1 Keys Introduction....................................................................................................................................... 7
3.1.2 Applications ............................................................................................................................................... 7
3.2 Menu Introduction............................................................................................................................................ 9
3.2.1 Main Menu ................................................................................................................................................ 9
4. Maintenance and Troubleshooting....................................................................................................................... 14
4.1 Camera Maintenance...................................................................................................................................... 14
4.2 Troubleshooting.............................................................................................................................................. 14
5. Copyright Statement............................................................................................................................................. 14

3
1.Camera Installation
1.1 Camera Interfaces
Figure 1.1 Product Interfaces
1.Camera Lens
4.Tripod fixing hole
7.USB3.0 interface
2.Indicator light
5.Positioning hole
3.Built-in MIC
6.Bracket
1.2 Camera Operation
1) Product Installation: Fix the device on LCD screen, top of computer; directly put it on desk or on tripod mounting.
2) Connect camera via USB cable to computer, video conference terminal or other USB input device, log in the video
conference software and select a video device to have image output.
2.Product Overview
2.1 Product Introduction
2.1.1 Model
Model No.-- XX
100°Fixed Lens
Figure 2.1 Product Model

4
2.1.2 Dimension
Figure 2.2 Product Dimension
2.1.3 Accessory
Please check below standard and optional accessories when unpacking the box.
2.2 Main Features
4K-F4U3W is a 4K ultra-high-definition ePTZ camera with a new design. With AI intelligence, it can frames
according to the number of people in the scene, and the characters are in the middle. It has perfect functions and
superior performance, which employs advanced ISP processing algorithms so as to provide vivid images with
evenly clear brightness, strong color layering, high resolution, and fantastic color rendition. Easy and convenient
to install and maintain, stable and reliable.
Ultra HD 4K Resolution: 1/2.8 inch high quality CMOS sensor. Resolution is up to 4K with frame rate up to
30fps (MJPG) or 30fps (H.264); compatible with 1080P and 720P.
ePTZ: ePTZ and 10X digital Zoom;
Standard Accessory
IR Remote Control
USB3.0 Cable
User Manual

5
Built-in MIC: Built-in two omni-directional MIC pickups; with unique noise suppression algorithm, effective
pickup distance up to 6 meters.
Auto Framing: Employing superior face detection algorithm to intelligently and automatically frames
according to the number of people in the scene, and the characters are in the middle.
Wide FOV: 83°/100° wide angle and small distortion lens options.
Video output interface: Video output interface USB 3.0;
Multiple Audio/Video Compression Standard: Supports H.264, MJPG, YUY2, NV12 video compression, to
made video play smoothly.
Low Noise and High SNR: Super high SNR image is achieved with low noise CMOS. Even in the case of
ultra-low illumination, the picture remains clean and clear.
Multiple Installations: Standard equipped with mold clamp. Easy to install on any devices, such as LCD
screen, laptop, table and tripod.
Easy to Use: No need to download driver; USB 3.0 Plug and play;
Wide Applications: Personal video conferencing, enterprise video conferencing, collaboration meeting, etc.
2.3 Technical Parameter
Model
Camera Parameter
Sensor
1/2.8 inch high quality 4K CMOS sensor
Effective Pixels
8.28MP,16
：
9
Video Interface
1 Channel USB 3.0 output, Type B; Support audio signal output
Audio input
2*Built-in MIC pickup
Video Format
MJPG
：
3840*2160@30 /2560*1440@30 /1920*1080@30 /1600*896@30 /1280*720@30
/1024*576@30 /960*540@30 /800*600@30 /800*448@30 /720*576@30/
720*480@30 /640*480@30 /640*360@30 /480*270@30 /352*288@30 /320*240@30
H264
：
3840*2160@30 /2560*1440@30 /1920*1080@30 /1600*896@30 /1280*720@30
/1024*576@30 /960*540@30 /800*600@30 /800*448@30 /720*576@30/
720*480@30 /640*480@30 /640*360@30 /480*270@30 /352*288@30 /320*240@30
YUY2
：
1920*1080@30 /1280*720@30 /1024*576@30 /800*600@30 /800*448@30 /640*480@30
/640*360@30 /480*270@30 /320*180@30
NV12
：
1920*1080@15 /1280*720@30 /1024*576@30 /800*600@30 /800*448@30 /640*480@30
/640*360@30 /480*270@30 /320*180@30
View Angle
110°
（
D
）
/100°(H)/53°(V)
Focal Length
f=2.26mm
Aperture
F1.8
Digital Zoom 10X
Minimum
Illumination
0.1Lux(F1.8, AGC ON)
White Balance
Auto / Manual
Focus
Manual
Exposure
Auto / Manual/
BLC
On/Off
SNR
≥50dB
USB Feature
Operation Systems
Windows 7(1080p or lower), Windows 8.1, Windows 10 ; macOS™ 10.10 or higher; Android
；
Linux
(UVC support)
Video
Compression
Format
YUY2, NV12, MJPG, H264
USB Audio
Support
USB
UVC,UAC

6
Communication
Protocol
PTZ Control
Support EPTZ
Hardware
Requirement
2.4 GHz Intel@ Core 2 Duo or higher,2GB or higher, USB 3.0 port (USB 3.0 for 4K)
Other Parameter
Input Voltage
5V
Input Current
1A(max)
Power
Consumption
5W(max)
Stored Temperature
-10℃～+60℃
Stored Humidity
20%
～
90%
Working
Temperature
-10℃
～
+50℃
Working Humidity
20%
～
80%
Dimension
180 mm×42.5 mm×46.3 mm
Weight
Around 0.3kg
Working
Environment
Indoor
Accessory
User Manual, USB 3.0 cable
2.4 Interfaces Instruction
2.4.1 External Interface
Figure 2.4 Wiring Diagram

7
3.Application Instruction
3.1 Remote Control
3.1.1 Keys Introduction
1.Standby Key
The device enters standby mode after pressing it once, and the device re-displays the picture after pressing it
again.
2.Camera Selection
Select the camera address to control.
3. Number key
Set or call 0-9 presets
4. 【*】,【#】key
5.Focus Control
【Auto】: None 【Manual】: None
Note: The camera is a fixed focus lens
6.Zoom Control
ZOOM +: press【ZOOM +】key to zoom in
ZOOM - : press 【ZOOM -】key to zoom out
7.Set and Clear Presets
Set Preset: press 【SET PRESET】button, and then press the number key 0-9 to set preset
positions.
Clear Preset: press 【CLEAR PRESET】button, and then press the number key 0-9 to clear
preset positions.
8.Pan/Tilt Control
Up: press Down: press
Left: press Right: press
Press and hold the up/down/left/right key, the pan/tilt movements will keep running.
【HOME】：Camera lens back to the middle position; Enter next menu
9.【BLC ON/OFF】：Turn on or off the back light compensation
10.Menu Setting：Enter/exit the OSD menu or return to the previous menu.
11.Camera Remote Control Address Setting
【*】+【＃】+【F1】：Camera Address No.1
【*】+【＃】+【F2】：Camera Address No.2
【*】+【＃】+【F3】：Camera Address No.3
【*】+【＃】+【F4】：Camera Address No.4
12.Key Combination
3.1.2 Applications
1) In this manual, “press the key” means a click rather than a long-press, and a special note will be given if a
long-press for more than one second is required.
1
）【
#
】
+
【
#
】
+
【
#
】：
Clear all presets
2
）【
*
】
+
【
#
】
+
【
6
】：
Restore factory defaults
3
）【
*
】
+
【
#
】
+
【
9
】：
Flip switch
4
）【
*
】
+
【
#
】
+
【
4
】：
Menu set to English
5
）【
*
】
+
【
#
】
+
【
3
】：
Menu set to Chinese

8
2) When a key-combination is required, do it in sequence. For example,“ 【*】+【#】+【F1】”means press“【*】”first
and then press“【#】” and last press“【F1】”.
1）Camera Selection
Select the camera address to control.
2）Pan/Tilt Control
Up: press Down: press
Left: press Right: press
Back to middle position: press“【HOME】”
Press and hold the up/down/left/right key, the pan/tilt
movements will keep running, from slow to fast, until it
runs to the endpoint; stop as soon as the key is released.
3）Set and Clear Presets
Save Preset: press 【SET PRESET】button, and then press
the number key 0-9 to set preset positions.
Note: 10 presets via remote control.
Call Preset: Press a number key 0-
9 directly to call a
preset position.
Note: If the number key is not preset, it is invalid.
Clear Preset: press 【CLEAR PRESET】button, and then
press the number key 0-9 to clear preset positions.
Note : press the
【
#
】
key three times continually to clear
all presets.
4）Zoom Control
ZOOM +: press【ZOOM +】key to zoom in
ZOOM -: press 【ZOOM -】key to zoom out
Press and hold the keys, the action of fo
cus will keep
continue and stop as soon as the key is released.
5）Focus Control

9
Focus + (near): Press
【
FOCUS +
】
None
Focus - (far): Press【FOCUS -】None
Auto focus: not supported
Manual focus: not supported
6) Camera Remote Control Address Setting
【
*
】
+
【＃】
+
【
F1
】
:Camera Address No.1
【*】+【＃】+【F2】:Camera Address No.2
【*】+【＃】+【F3】:Camera Address No.3
【*】+【＃】+【F4】:Camera Address No.4
3.2 Menu Introduction
3.2.1 Main Menu
Press 【MENU】key under MJPG, YUY2, NV12 or H264 compression encoding format output to display the
menu, using scroll arrow to point at or highlight the selected items.
1) Language
1. Language Setting：press 【← →】key to select Language
MENU
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
Language
English
（
Setup
）
（
Exposure
）
（
Color
）
（
Image
）
（
Noise Reduction
）
（
Version
）
（
Restore Default
）
[
↑↓
]Select [
←
→
]Change Value

10
2) System Setting
Move the pointer to the (Setup) in the Main Menu, click the【HOME】key and enter into the (System Setting) as
shown below,
Image Style: default / standard / clear / bright / soft can be set
Intelligent zoom: on / off
3) Exposure Setting
Move the pointer to EXPOSURE in the Main Menu, click the【HOME】and enter the (EXPOSURE SET) as follows:
Mode: Auto, Manual, Shutter priority and Brightness priority.
EV: On/Off (only available in auto mode)
Compensation Level: -7~7 (only available in auto mode when EV is ON)
BLC: ON/OFF for options (only available in auto mode)
Anti-Flicker: OFF/50Hz/60Hz for options (only available in Auto/Iris priority/Brightness priority modes)
EXPOSURE
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
Mode
Auto
EV
OFF
BLC
OFF
Flicker 50Hz
G.Limit 6
DRC 4
[
↑↓
]Select [
←
→
]Change Value
Setup
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
Image Style Default
(Auto Framing)
[
↑↓
]Select [
←
→
]Change Value

11
Gain limit: 0~15(only available in Auto/ Iris priority /Brightness priority mode)
WDR: Off, 1~8
ShutterPriority:1/30,1/50,1/60,1/90,1/100,1/120,1/180,1/250,1/350,1/500,1/1000,1/2000,1/3000,1/4000,1/6
000, 1/10000 (only available in Manual and Shutter priority mode)
Brightness: 0~23 (only available in Brightness priority mode)
4) Color
Move the pointer to the (COLOR) in the Main Menu, click the【HOME】and enter the (COLOR sub menu) as
follow,
WB Mode: Auto, Manual, One Push, Specified color temperature
Saturation: 60%,70%,80%,90%,100%,110%,120%,130%,140%,150%,160%,170%,180%,190%,200%
AWB Sensitivity: high/middle/low(only available in automatic mode)
Chroma: 0~8
5) Image
Move the pointer to the (IMAGE) in the Menu, click the【HOME】and enter into the (IMAGE sub menu) as
follow,
COLOR
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
WB Mode
Auto
Saturation
100%
Hue 4
AWB Sensitivity High
[
↑↓
]Select [
←
→
]Change Value

12
Brightness: 0~14
Contrast: 0~14
Sharpness: 0~15
Flip-H: On/Off
Flip-V: On/Off
B&W Mode: color, black/white
Gamma: Default/0.34/0.39/0.47/0.5
Minimum Illumination: On/Off
6) Noise Reduction
Move the pointer to the (NOISE REDUCTION) in the Menu, click the【HOME】and enter the (NOISE REDUCTION)
as follow,
2D Noise Reduction: Auto, close, 1~7
3D Noise Reduction: Close, 1~8
NOISE REDUCTION
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
NR-2D OFF
NR-3D 4
[
↑↓
]Select [
←
→
]Change Value
IMAGE
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
Brightness
7
Contrast 7
Sharpness 5
Flip-H OFF
Flip-V
OFF
B&W-Mode Color
Gamma Default
Low-Light Mode Close
[
↑↓
]Select [
←
→
]Change Value

13
7) Version
Move the pointer to the (VERSION) in the Main Menu, click the【HOME】and enter the (VERSION) as follow,
8) Restore Default
Move the pointer to the (RESTORE DEFAULT) in the Main Menu, click the【HOME】and enter the (RESTORE
DEFAULT) as follow,
Restore default: YES/NO. Color style and video format cannot be restored to factory default
Note: If the address of former remoter is not 1 but another one from 2, 3, 4, the corresponding camera address
will restore to 1 when all parameters or system parameters are restored. User should change the remoter
address to be 1 (press No.1 according to the camera so to get normal operation)
VERSION
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
Camcra Version 1.0.0 2020-12-16
[
↑↓
]Select [
←
→
]Change Value
RESTORE DEFAULT
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
Restore Default? NO
[
↑↓
]Select [
←
→
]Change Value

14
4. Maintenance and Troubleshooting
4.1 Camera Maintenance
1) Please power off the camera and disconnect the power adapter and socket, if it’s not used for a long run.
2) Use soft cloth or tissue to clean the camera cover.
3) Wipe it with a soft, dry cloth when cleaning the camera lens. Wipe it gently with a mild detergent if needed. Do
not use strong or corrosive detergents to avoid scratching the lens and affecting the video quality.
4.2 Troubleshooting
1)No video output
a. Check whether USB cable connected well and power indicator light is ON.
b. Whether the machine could do self-check after restarted.
c. Restart the computer to check whether it is normal
d. Check whether the video output cable or video display is normal
f. Check whether the camera is well recognized by PC
2)No image sometimes
a. Check the USB cable quality and whether connected well.
5.Copyright Statement
All the contents in this manual and its copyright are owned by the company. No one is allowed to imitate, copy, or
translate this manual without the company’s permission. This manual contains no guarantee, standpoint expression or
other implies in any form. Product specification and information in this manual is for reference only and subject to
change without notice.
All rights reserved. No reproducing is allowed without acknowledgement.