EZCast CatchU B1 is a versatile capture device with multiple ports and connections that allow for a variety of use cases. It can capture video and audio from HDMI sources like cameras, gaming consoles, and computers, and save the recordings to an external USB drive or stream them to a PC.
EZCast CatchU B1 is a versatile capture device with multiple ports and connections that allow for a variety of use cases. It can capture video and audio from HDMI sources like cameras, gaming consoles, and computers, and save the recordings to an external USB drive or stream them to a PC.
EZCast CatchU B1
Quick Start Guide
v1.1
Product information is subject to change without prior notice.
What’s In The Box
Installation
Product
Type-C to USB HDMI to HDMI Quick Start Guide
QSG
Scan the QRCode below to visit full-version user manual on our website.
Signals and Buttons Instruction
- Multi-color: Ready to record
- Stable red light: Recording to external storage
- Flash in red: Warning message
- Light off: Power off
Note: When the LED light is flashing in red, it means the setup or configurations are
incorrect:
- No HDMI input signal
- No USB Storage inserted on Storage/ Phone port
- Incorrect System Format for USB Storage (Click MODE button to fix)
- Incorrect Encoder Format for USB Storage (Click MODE button to fix)
- The capacity of USB Storage is full.
- Existing hidden partition in USB Storage
- HDMI: HDMI signal detected or not
- Power: Power ON/ OFF
- Mode: Stable light ON/ OFF for Auto HD Mode
Flash 2 times for MIC mix mode ON
Flash 4 times for MIC mix mode OFF
Click to record HDMI IN source to storage up to 1080p@60Hz.
1
2
4
3
1. LED light
2. Record button
3. Status signals
4. MODE button
Turn on Compatible Mode to ensure the recording format is compatible with both USB
storage and UVC/PC recording.
- Compatible mode: 1080P@60Hz, H.264, MP4 format
- Don’t switch the mode while recording
Ports Introduction
1234567
Power up by a USB-C adapter with 5V/2A power supply.
Connect HDMI cable to a monitor for pass-thru of HDMI IN port with up to 4K@60Hz
resolution. Note that the signals from Storage/ Phone port does not support pass-thru to
HDMI output source.
2. HDMI OUT
Connect HDMI cable to any device support HDMI output. Contents transfered by an hub/
adapter may not be transmitted.
Note : Please refer to the EZCast website FAQ for troubleshooting if you encounter
issues such as a black screen when recording game consoles or Mac computers.
3. HDMI IN
Connect USB-C to USB-A cable to a computer to stream or record the video/ audio from
input source. Support third-party softwares like OBS, Potplayer, Xsplit, Skype, Zoom on
Windows and OBS, Skype, Zoom, FaceTime, QuickTime Player on MacOS. Note that
H.264 format is not supported for some Instant Message Applications like Facetime etc,.
4. UVC/ PC
- MIC: Connect a 3.5mm audio cable to a microphone to mix the audio to HDMI input.
- Reset: Use a pin to insert the MIC/ Reset jack for 10 seconds to reset to factory default.
6. MIC/ Reset
Connect a 3.5 mm earphone to listen to the mixed audio.
7. EAR
- Storage: Connect an external USB-A disk (exFAT/ FAT32 format supported) to record
streaming video directly by pressing the Record button on the top of EZCast CatchU.
Support simultaneously record to standalone USB storage and to UVC/ PC, however
only as H.264 format.
- Phone: Connect a USB data cable to Android/ iOS phone to stream contents to UVC/
PC. For Android users, please download MiraPlug App before using. For iOS users, click
“Trust the computer” to begin streaming/ recording.
5. Storage/ Phone
1. POWER
Hardware Installation and Connection
4K pass-thru
Stream/ record
software
*Power should be supplied
by 5V/2A while using.
Video tutorial
Video tutorial
*Power should be supplied
by 5V/2A while using.
Capture to PC
Click to record
Capture to Standalone USB Disk
USB 2.0
USB Disk/
Flash
Storage/ Phone
1080p@60Hz
LED light
- Multi-color: Ready to record
- Stable red light: Recording to external storage
4K@60Hz
4K@60Hz
USB-C
HDMI
HDMI
HDMI HDMI USB-A
HDMI IN UVC/ PC
HDMI OUT
1080p@60Hz
4K@60Hz
4K@60Hz
HDMI
HDMI
HDMI HDMI
HDMI IN
HDMI OUT
4K pass-thru
Hardware Installation and Connection
4K@60Hz
4K@60Hz USB-C
HDMI
HDMI
HDMI HDMI
USB-A
USB 2.0
Stream/ record
software
HDMI IN
UVC/ PC
HDMI OUT
1080p@60Hz
Capture to PC and Standalone USB Disk Simultaneously
Capture in Compatible Mode
*Power should be supplied
by 5V/2A while using.
USB Disk/
Flash
Storage/ Phone
1080p@60Hz
UVC/ PC and Storage are able to record
simultaneously only as H.264 format.
Stream/ record
software
*Power should be supplied
by 5V/2A while using.
4K@60Hz
USB-CHDMI HDMI USB-A
HDMI IN UVC/ PC
1080p@60Hz
MODE Button
Click to turn on Compatible Mode
1. Compatible with both PC and USB disk recording
2. 1080P@60Hz, H.264, MP4 format
3. Don’t switch the mode while recording
- Stable light ON/ OFF for Compatible Mode
- Flash 2 times for MIC mix mode ON
- Flash 4 times for MIC mix mode OFF
MODE Light
4K pass-thru
Video tutorial
Video tutorial
Hardware Installation and Connection
4K@60Hz
4K@60Hz
HDMI
HDMI
HDMI IN
HDMI OUT
HDMI/
mini-HDMI/
micro-HDMI HDMI
4K@60Hz
HDMI
HDMI
HDMI OUT
Capture from Camera/ Gaming Station
Capture from Laptop/ PC
*Power should be supplied
by 5V/2A while using.
Camera
USB-C USB-A
Stream/ record
software
Laptop/ PC
UVC/ PC
1080p@60Hz
USB-C USB-A
Stream/ record
software
UVC/ PC
1080p@60Hz
Standard HDMI for camera includes: HDMI, mini-HDMI, micro-HDMI
Please use an adapter to transmit data.
*Power should be supplied
by 5V/2A while using.
4K@60Hz
HDMI HDMI
HDMI IN
USB 2.0
USB Disk/
Flash
Storage/ Phone
1080p@60Hz
+
4K pass-thru
4K pass-thru
Video tutorial
(Game station)
Video tutorial
(Camera)
Video tutorial
Hardware Installation and Connection
HDMI OUT
Capture from Phone
Mix Audio from MIC
*Power should be supplied
by 5V/2A while using.
Android
iOS
USB-C USB-A
Stream/ record
software
Laptop/ PC
Microphone
UVC/ PC
1080p@60Hz
USB-C
Lightning
micro-USB
1080p@60Hz
Storage/ Phone
USB-A
UVC/ PC
EAR
Note:
1. Capture from phone does not support pass-thru via HDMI OUT port.
2. Mobiles can be captured via HDMI IN port for those support HDMI output.
Download MiraPlug App
for capture and settings
Click “Trust the computer”
*Power should be supplied
by 5V/2A while using.
Mixed
audio
Only audio from HDMI
IN port for Pass-thru
HDMI IN
MIC/ Reset
Storage/ Phone
Trust
Video tutorial
Video tutorial
Settings on Android/ iOS Mobile
5V/2AUSB data cable
MiraPlug App
Download MiraPlug App on your mobile (Android/ iOS supported).
Power up the CatchU by an independent power 5V/1A adapter. Connect the CatchU to
the mobile with a USB data cable.
Connect the mobile to the Internet and launch the MiraPlug App; the system will correct the
time automatically. And checks the current version status. If the most recent version is
available, please perform an update to bring the CatchU to date. To make the CatchU setting
change, click the setting icon in the upper right corner to enter the settings page. Android
users, please enter the device settings page.
2. Connect mobile to CatchU
3. Using the MiraPlug App to Upgrade for CatchU
1. Download MiraPlug App on mobile
1. If you encounter a black screen while recording with a PC or laptop equipped with an Nvidia
graphics card or macOS, turn off the settings to input video and sound to the CatchU. For more
information, please see the http://www.EZCast.com FAQ page.
2. Standalone Record Format：Setting the resolution and frame rate for saving to a standalone
USB disk.
3. exFAT Loop Recording Size：Set the size of each file captured to the standalone USB disk
when recording in loop. Please keep in mind that any abnormal interruptions in recording will
result in the file being lost or damaged.
4. Mic Volume Level：Set the volume of the CatchU's microphone input.
Setting
ON/OFF
Standalone Record Format
Loop Recording Size of exFAT
MIC Volume Level
1
2
3
4
Update
Operating System
PC
Laptop
- Intel® CoreTM i5 CPU i5-8xxx or above / AMD Ryzen 7 or above
- NVIDIA® GeForce® GTX 660 or above / AMD RadeonTM RX 870 or above
- 8GB RAM (dual channel) or above
- Intel® CoreTM i5 CPU i7-7xxx or above / AMD Ryzen 7 or above
- NVIDIA® GeForce® GTX 1050ti or above
- 8GB RAM (dual channel) or above
- Windows10 (64bits)
- Mac OS X 10.14 or later
Product
Input
External Storage
Recording Format
External Storage
File System
Audio Mixing
For Use With
Weight
Dimensions
Power
Output
Video Capture
Resolution
Visit https://www.EZCast.com for more information.
Visit https://www.YouTube.com/EZCast for video tutorials.
Learn More
Product informations
System/ Hardware Requirement
EZCast CatchU B1
HDMI In 2.0, USB 2.0 Type A
MPEG 4 (H.264)
exFAT/ FAT32
MiraPlug App (Android/ iOS)
3.5mm (EAR) 4-pole, 3.5mm(MIC) 4-pole
150 x 80 x 30mm
235g
5V/2A
Pass Through 480p@60Hz, 720p@60/50Hz, 1080i@60Hz,
1080p@60/50Hz, 4K@30/60Hz
HDMI Out 2.0, USB 3.0 Type C
USB 3.0 Type C (UVC) : 640x480p@60/30Hz,
720p@60/30Hz, 1080p@60/30Hz
USB 2.0 Type A (External Storage):
640x480p@60/30Hz; 720p@60/30Hz, 1080p@60/30Hz
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EZCast CatchU B1 User guide
- Type
- User guide
- This manual is also suitable for
EZCast CatchU B1 is a versatile capture device with multiple ports and connections that allow for a variety of use cases. It can capture video and audio from HDMI sources like cameras, gaming consoles, and computers, and save the recordings to an external USB drive or stream them to a PC.
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