BZB Gear BG-HDVS42U User manual

BG-HDVS42U
MICRO 4 CHANNEL HDMI LIVE STREAM
MULTI-FORMAT VIDEO SWITCHER

USING THE UNIT SAFELY
Before using this unit, please carefully review the following information concerning the proper operation
of the unit. To ensure that you are getting the most out of your product review the manual in its entirety.
This manual should be saved and kept on hand for future reference.
Warning and Precautions
※To avoid damage from drops, make sure this unit is placed on a stable and solid surface.
※Only connect unit with the included power supply.
※Disconnect power cord by connector only - Do not pull on the cable.
※Do not place or drop heavy or sharp-edged objects on power cord. A damaged cord can cause fire or
electrical shock hazards. Regularly check power cord for excessive wear or damage to avoid possible
fire / electrical hazards.
※Ensure the unit is properly always grounded to prevent electrical shock hazard.
※Do not use this unit near water.
※Do not allow liquids, metal pieces, or other foreign materials to enter the unit.
※Handle with care to avoid shocks in transit. Shocks may cause malfunction. When you need to
transport the unit, use the original packing materials or alternate adequate packing.
※Do not remove covers, panels, casing, or access circuitry! Internal servicing / adjustment of unit
should only be performed by qualified personnel.
※Turn off the unit if a malfunction occurs. Disconnect everything before moving the unit.
Note: Due to the constant effort to improve our products and product features, specifications may change
without notice.

CONTENTS
1. BRIEF INTRODUCTION ...........................................................................................1
1.1. Overview ...........................................................................................................................1
1.2. Main Features...................................................................................................................1
2. INTERFACES............................................................................................................2
2.1. Interface Overview...........................................................................................................2
2.2. Tally PIN Definition..........................................................................................................2
3. SPECIFICATION.......................................................................................................3
4. FRONT CONTROL PANEL......................................................................................4
5. POWER ON/ OFF......................................................................................................5
6. MULTIVIEW...............................................................................................................6
6.1. Status Page......................................................................................................................6
6.2. Layouts..............................................................................................................................7
6.3. Audio Meter.......................................................................................................................8
6.4. Input Information..............................................................................................................8
6.5. UMD Settings ...................................................................................................................9
7. PGM PVW SWITCHING..................................................................................................10
7.1. PGM PVW Channel Selection.....................................................................................10
7.2. STILL ...............................................................................................................................10
7.3. Transition: CUT/ AUTO/ T-BAR...................................................................................11
8. TRANSITION EFFECT............................................................................................11
8.1. WIPE................................................................................................................................11
8.2. DIP ...................................................................................................................................11
8.3. MIX...................................................................................................................................12
8.4. Transition Speed Setting..............................................................................................12
9. UPSTREAM KEY ....................................................................................................12
9.1. Luma Key........................................................................................................................12
9.2. Chroma key.....................................................................................................................13
9.3. PIP & POP ......................................................................................................................15
10. DOWNSTREAM KEY............................................................................................16
10.1. DSK................................................................................................................................16
10.2. LOGO............................................................................................................................17
11. OUTPUT SETTING ...............................................................................................18

11.1. Output Interfaces.........................................................................................................18
11.2. Multiview Out................................................................................................................18
11.3. PGM Out.......................................................................................................................18
11.4. USB Out........................................................................................................................18
11.5. Output Format Setting.................................................................................................19
11.6. FTB................................................................................................................................20
12. AUDIO SETTING...................................................................................................21
12.1. Master Audio................................................................................................................21
12.2. Audio On (MIX)............................................................................................................21
12.3. AFV................................................................................................................................21
12.4. Audio Delay..................................................................................................................22
12.5. MIC.................................................................................................................................22
12.6. Earphone.......................................................................................................................22
12.7. Audio Keyboard Configuration...................................................................................23
12.8. Mute...............................................................................................................................24
13. MEDIA LIBRARY ..................................................................................................25
13.1. PVW Pattern & PGM Pattern.....................................................................................25
13.2. User-defined Color Pattern........................................................................................25
13.3. Image Setting...............................................................................................................25
14. SYSTEM SETTING ...............................................................................................27
14.1. Language......................................................................................................................27
14.2. Fan Setting...................................................................................................................27
14.3. System Reset...............................................................................................................27
14.4. Download......................................................................................................................27
14.5. Version..........................................................................................................................27
14.6. Time Setting .................................................................................................................27
14.7. Network Setting............................................................................................................28
14.8. User Setting..................................................................................................................28
WARRANTY / MISSION STATEMENT……………………………………………...…..30

1
1. BRIEF INTRODUCTION
1.1. Overview
The BG-HDVS-42U is a 4-channel HDMI multi-format video Switcher with a compact metal case design.
It supports various functions including video switching, audio mixing, PGM/ Multiview/ Aux out, different
transition effects, Luma Key, Chroma Key, DSK, LOGO, PIP/ POP, media library, pattern, and color
generator, and more. Inputs support multi-formats and the PGM output can be scaled, ensuring
compatibility with a variety of equipment. The unit supports streaming and presentations on PC via the
USB-C port. User can also customize different settings and import or export the configuration quickly for
various scenarios. Powerful and Portable this professional video switcher is an ideal choice for any small-
scale HDMI production.
1.2. Main Features
4 channel auto-detected HDMI inputs
1×HDMI PGM output,1×HDMI Multiview out, 1×USB type-C output
AUX output configurable and assignable
USB-C for capturing and streaming on PC
Clear and uncluttered Multiview & status page
Upstream key: Luma key, Chroma key, PIP×2/ POP
Downstream key and LOGO overlay
T-bar/ Auto/ Cut transitions; various effects: WIPE (9×2 patterns) / MIX/ DIP
Audio mixer: HDMI embedded audio and 2-Ch MIC/ line in; audio delay available
Media library: 49 default patterns, 16 imported images, 16 captured images, 2 color generators
LAN port for PC software remote control
Custom configuration import and export
FTB/ MUTE/ STILL/ GPIO for tally

2
2. INTERFACES
2.1. Interface Overview
1
MIC/Line level IN × 2
2
HDMI IN × 4
3
MULTIVIEW(AUX) OUT × 1
4
PGM(AUX) OUT × 1
5
USB OUT × 1 (for live streaming on PC)
6
LAN port for PC software control
7
GPIO (for tally)
8
DC 12V IN × 1
9
Earphone OUT × 1
10
USB type-A × 1 (insert U disk to import images and LOGO; firmware upgrade)
2.2. Tally PIN Definition
PIN
Definition
PIN
Definition
11
PGM-IN1
6
PVW-IN1
12
PGM-IN2
7
PVW-IN2
13
PGM-IN3
8
PVW-IN3
14
PGM-IN4
9
PVW-IN4
15
NC
10
NC
3
NC
4
NC
5
GND

3
3. SPECIFICATION
CONNECTION
Video In
HDMI type-A ×4
Video Out
HDMI type-A PGM ×1
HDMI type-A Multiview ×1
USB2.0 type C ×1 (Streaming on PC)
Assignable HDMI 1~4, PGM, Clean PGM, PVW, Color bar, Multiview
Audio In
MIC/ Line level (3.5mm stereo audio) ×2
PC Control Port
LAN×1
Media Library
USB type-A ×1(USB disk port for image import and firmware upgrade)
Tally Port
DB-15 ×1
Power In
DC 12V ×1
FUNCTIONS
Transitions
T-Bar/AUTO/ CUT
Effects
Wipe (9×2 patterns)/ Mix/ DIP/ Pattern/ Still(freeze)/ MUTE/ FTB
Layouts
2 styles of Multiview layout (6 windows and status)
Keys
Upstream Key: Luma Key ×1/ Chroma Key ×1/ PiP ×2/ POP
Downstream Key: DSK ×1/ Logo ×1
Audio Mixer
HDMI ×4 and MIC/ Line level ×2;
Audio delay: 0-500ms
Media
Default image: 49 preset patterns
Local image: up to 16 imported images
Capture image: up to 16 captured images
Generators
Pattern generator ×1
Color generators ×2
STANDARDS
HDMI In Format
Support
1080p 60/ 59.94/ 50/ 30/ 29.97/ 25/ 24/ 23.98
1080i 50/ 59.94/ 60
720p 60/ 59.94 /50/ 30/ 29.97/ 25/ 24/ 23.98
576i 50, 576p 50, 480p 59.94/ 60, 480i 59.94/ 60
HDMI PGM Out
1080p 60/ 59.94/ 50/ 48/ 47.95/ 30/ 29.97/ 25/ 24/ 23.98; 1080i 60/ 59.94/ 50
HDMI Multiview Out
1080p 60/ 59.94/ 50/ 48/ 47.95/ 30/ 29.97/ 25/ 24/ 23.98; 1080i 60/ 59.94/ 50
HDMI Color Space
RGB/ YUV
USB Capture Out
MJPG, Up to 1080p 60
Media Format
USB disk format support: FAT32, Ext3, Ext4, up to 256GB

4
Image format support: png, bmp, jpg
Logo format support: png, bmp, jpg;
Logo size support: 10×10 pixel to 600×600 pixel
OTHERS
Power
Wide voltage: 7~24V; Operating power:12W (12V 1A)
Dimension (LWD)
244.5 × 143.2 × 44.5mm
Weight
Net: 1030g; Gross: 1500g
Temperature
Working: -20℃~60℃, Storage: -30℃~70℃
Accessories
Power supply (12V 2A) ×1; USB cable (type A-C) ×1; Tally connector (DB-15)
×1
4. FRONT CONTROL PANEL
1
Power
Press the power to start the device; Press 3s to shut down the system
2
PGM:1-4
Select the signal source for Program.
PATTERN displays a test pattern to PGM output, STILL freezes the input
source image.
Note: different patterns can be set including Black/Color Bar/Color1
/Color2/ HDMI In1/HDMI In2/HDMI In3/HDMI In4/Image. (Refer to Part
13.1)
3
PVW:1-4
Select the signal source for Preview.
PATTERN displays a test pattern to PVW (Refers to Part 13.1), STILL

5
freezes the input source image (Refer to Part 7.2).
4
AUDIO
Configure the audio of each channel, including AFV or audio mix mode,
audio source selecting, volume + & volume -
5
DSK
DSK: Enable the downstream key
ON AIR: Put the DSK on air
6
CHROMA KEY
LUMA KEY
CHROMA: Enable the Chroma Key
LUMA: Enable the Luma Key
PIP1/PIP2: Enable two group of Picture in Picture. Size and position can
be set via Menu.
LOGO: Add logo bin from USB flash disk, enable the logo overlay
ON AIR: Put the corresponding Chroma/Luma/PIP/Logo on air.
7
MV
MV: quickly switch between Multiview and the configured Multiview out
(Refer to Part 11.2)
8
Transition
Effects
WIPE: Transition from one source to another
INV: Invert the direction of selected wipe transition
MIX: Selects a basic A/B dissolve for the next transition
DIP: Gradual transition from one source to another.
9
MENU
MENU: For menu control, configure different parameters
10
CUT/ AUTO
CUT: Performs a simple immediate switch between Program and
Preview.
AUTO: Performs an automated switch between Program and Preview.
11
T-Bar
Switch the PVW and PGM using the T-Bar
12
MUTE/ FTB
MUTE: Mute the master audio
FTB: Fade to Black
13
Speed
SPEED 1-2: Control transition rate, speed can be configured on Menu.
5. POWER ON/ OFF
Connect your video sources, output devices, and simply plug in the
power adapter. Press the power button on the front panel to power
up the switcher.
Press the power button for about 3 seconds to power off the switcher
and select YES in the prompt box to shut down the system.

6
6. MULTIVIEW
The switcher provides two HDMI outputs (PGM/Multiview). Both ports are assignable AUX outputs that are
user assignable as HDMI 1/ HDMI 2/ HDMI 3/ HDMI 4/ PGM/ Clean PGM/ PVW/ Color Bar/ Multiview
output (Refers to Part 6). Connecting the HDMI Multiview out to an additional monitor will provide the
Multiview image. In Multiview there are windows of PVW, PGM, HDMI 1, HDMI 2, HDMI 3, HDMI4 and
Status/Menu page. See below image.
6.1. Status Page
In the status page, there is status information of FTB (Fade to Black), P-PVW (Pattern in PVW row), P-
PGM (Pattern in PGM row), Logo, Still, Audio, Transition Effect, Transition Speed, USK (Upstream Key),
DSK (Downstream Key), and System Time. See below image.
The information of username, working time, USB connection, CPU working temperature, system time
keeps displaying in the bottom of the Status/Menu page.

7
The information on the status page will be updated in real time as the settings are changed.
Pressing the menu button on the switcher will open the menu page as shown in the image below.
6.2. Layouts
There are two Multiview layouts which can be selected. Simply switch between the horizontal layout and
vertical layout from the menu as shown in the images below.
Horizontal:

8
Vertical:
6.3. Audio Meter
There are audio meters in each window of the Multiview, including HDMI1-4, PGM and MIC to show the
audio level of each input. The audio meters of MIC 1 and MIC 2 show in the left and right of PVW window.
Users can turn on/off all or individual audio meters from the menu. The audio meter position can be
displayed in the right or left of each window. See below image.
6.4. Input Information
There is an overlay in each window of HDMI inputs 1-4. The overlay shows the resolution and frame rate
of the HDMI input. Users can turn on/off the overlay in each input window. Users can also set the overlay
Opacity (50%, 75%, 100%), Size (Small/Medium/Large), Position X & Y (1-100), Foreground color and
Background Color. See below image.
Master Audio
MIC1
MIC2

9
6.5. UMD Settings
The default UMD of the four inputs are HDMI1, HDMI2, HDMI3, HDMI4. Users can turn on/off the UMD in
each window. Users can also set the overlay Opacity (50%, 75%, 100%), Size (Small/Medium/Large),
Position X & Y (1-100), Foreground color, and Background Color. See below image.
The UMD string content for the 4 HDMI inputs can be set from the menu. Users can rename the UMD
content for each window by using a virtual keyboard and rotary button. It supports a maximum of 10
characters for the UMD content. In the example below the input has been renamed from HDMI 1 to CAM1.

10
7. PGM PVW SWITCHING
7.1. PGM PVW Channel Selection
Choose the PGM and PVW sources from their corresponding row and enable/disable PATTERN
(different patterns can be configured in the menu, refer to Part 13.1) on the front panel. The selected
button for PGM will turn red and the selected button for PVW will turn green. The PGM source will be
highlighted with a red border, while the PVW source will be highlighted with a green border.
7.2. STILL
The video switcher features a STILL function which users can freeze the input sources. Select the
channel you want to freeze in the PGM or PVW row, then press the STILL button to freeze the input
source. Users can freeze all four inputs if desired. Press the input channel and STILL again to unfreeze
the image.

11
7.3. Transition: CUT/ AUTO/ T-BAR
There are two transitional control types for this video switcher: Transition without effects (CUT) and
Transition with effects (AUTO, T-Bar).
CUT performs a simple immediate switch between Preview and Program. This is no delay providing
seamless switching, and the selected transition effect WIPE, MIX or DIP is not utilized.
AUTO performs an automated switch between Preview and Program views. The timing of the transition
can be set by speed button. The transition effects WIPE, DIP, MIX will also be used.
T-BAR manual transition is similar to using the AUTO button but offers flexibility as a manual transition
based on the speed that the user prefers using Hand Speed.
8. TRANSITION EFFECT
This switcher provides various transition effects including WIPE, DIP and MIX.
8.1. WIPE
Press the WIPE button to perform the wipe transition effect. Users can choose different versions of the
WIPE effect through the menu; as well as setting the softness of the edge. Select the direction from
Normal/ Invert/ Flip-Flop when using the AUTO transition feature.
Press the INV button to invert the selected wipe so it creates the reverse direction effect.
8.2. DIP
Press the DIP button to
perform the DIP
transition effect. User
can select from various
colors.
NOTE - On the menu screen, the default color is black.

12
8.3. MIX
Press the MIX button to perform the MIX transition effect.
8.4. Transition Speed Setting
Users can set two speeds of transition on the menu, as well as define the speed value which can be saved
and will correspond to the Speed 1 or Speed 2 button. The higher value, the slower the transition speed,
selectable range is between 0.1s - 8.0s.
9. UPSTREAM KEY
9.1. Luma Key
Luma keys provide a way to compose a foreground clip over a background clip based on the luminance
levels in the video. When the Luma Key is activated, a color from the key source will be removed,
revealing another background image behind it.
Switch the video with a background to the PVW window and turn on the Luma Key. Press the menu knob
to enter the settings menu. Users can assign the fill and key source from various options including
Black/ Color Bar/ Color1/ Color 2/ HDMI 1/ HDMI 2/ HDMI 3/ HDMI 4/ Image (import from USB disk).
Configure and adjust the Key parameters including Clip/Gain/Mask to achieve the desired effect. See
Key Menu Interface and Parameter settings below.
Press the ON AIR button and the ON AIR button will illuminate and LUMA button will turn off while the Key
effect will display on the PGM. Use CUT, AUTO, or T-Bar to switch the PVW with KEY to the PGM output.
LUMA button ON: Luma key shows on PVW
ON AIR button ON: Luma Key is available on PGM
ON AIR and LUMA button simultaneously ON: Luma Key is available on both PVW and PGM.
Corresponding status in menu is <KEY & ON AIR>

13
Menu
Sub-Menu
Item
Parameter
Default
Upstream Key
Luma Key
Luma Status
OFF/ KEY (PVW)/ ON AIR (PGM)/ KEY & ON AIR
Off
Fill Source
Black/ Color Bar/ Color 1/ Color 2/ HDMI 1/ HDMI
2/ HDMI 3/ HDMI 4/ Image
Color1
Key Source
Black/ Color Bar/ Color 1/ Color 2/ HDMI 1/ HDMI
2/ HDMI 3/ HDMI 4/ Image
Image
Clip
0%-100%
10%
Gain
0%-100%
0%
Invert Key
On/Off
Off
Mask Enable
On/Off
Off
Mask Left
0%-100%
0%
Mask Top
0%-100%
0%
Mask Right
0%-100%
50%
Mask Bottom
0%-100%
50%
Clip: Adjust the threshold at which the key cuts its hole. When decreasing the clip more of the
background will appear. If the background video is completely black, then the clip value is too low.
Gain: Adjusts the performance of the chroma key in light or white areas. Apply more Key Gain if the light
areas are becoming too transparent.
Invert Key: Inverts the Key signal.
Mask: Configure the Mask for the Key area
Chroma key
Chroma Key is a visual-effects and post-production technique for compositing (layering) two images or
video streams together based on color hues (chroma range). This technique is used in many fields to
remove a background from the subject of a photo or video, particularly the newscasting, motion picture,
and video game industries.

14
Press the CHROMA key button, press the Menu knob and choose Chroma to configure the effect of
Chroma Key, including the key source, Key color, Clip, Gain, Key Fetch and Mask, etc., detailed
parameters setting as below.
Press the ON AIR button next to the CHROMA button to enable the KEY on PVW. Use the AUTO key or
T-Bar control to switch the PVW with key to PGM.
CHROMA button ON: Chroma key shows on PVW.
ON AIR button ON: Chroma Key available on PGM
ON AIR and CHROMA button both ON: Chroma Key available on both PVW and PGM. Corresponding
status in menu is <KEY & ON AIR>
Menu
Sub-Menu
Item
Parameter
Default
Upstream Key
Chroma Key
Chroma Status
OFF/ KEY (PVW)/ ON AIR (PGM)/ KEY
& ON AIR
Off
Key Source
Black/ Color Bar/ Color 1/ Color 2/
HDMI 1/ HDMI 2/ HDMI 3/ HDMI 4/
Image
Image
Key Color R
0~255
10
Key Color G
0~255
154
Key Color B
0~255
56
Fetch X
0~100%
0
Fetch Y
0~100%
0
Fetch Width
0~50%
5
Clip
0%-100%
40%
Gain
0%-100%
10%
Mask Enable
On/Off
Off
Mask Left
0%-100%
0%
Mask Top
0%-100%
0%

15
Mask Right
0%-100%
50%
Mask Bottom
0%-100%
50%
9.2. PIP & POP
The video switcher supports two groups PIP or one POP. When pressing PIP1 or PIP2 button, there will
be a small image display on the top left corner of PVW window. Press the Menu knob and choose the
PIP setting interface, user can set parameters including position, size, border, etc. See details below.
Press ON AIR button next to PIP1 and PIP2 to put the PIP into effect on PGM.
Set the POP in the same menu as detailed below. When POP is working PIP is disabled.
Menu
Sub-Menu
Item
Parameter
Default
Upstream Key
PIP/POP
Border Color
Color
White
Border Width
0~15
2
PIP1 Status
OFF/ KEY (PVW)/ ON AIR
(PGM)/ KEY & ON AIR
Off
PIP1 Source
Black/ Color Bar/ Color 1/ Color
2/ HDMI 1/ HDMI 2/ HDMI 3
/HDMI 4/ Image
HDMI 1
PIP1 Size
1/2 1/4 1/8
1/4
PIP1 Position X
0~100
0
PIP1 Position Y
0~100
0
PIP2 Status
OFF/ KEY (PVW)/ ON AIR
(PGM)/ KEY & ON AIR
Off
PIP2 Source
Black/ Color Bar/ Color 1/ Color
2/ HDMI 1/ HDMI 2/ HDMI 3
/HDMI 4/ Image
HDMI 2
PIP2 Size
1/2/1/4/1/8
1/4
PIP2 Position X
0~100
100
PIP2 Position Y
0~100
0
POP Status
OFF/ KEY (PVW)/ ON AIR
(PGM)/ KEY & ON AIR
off
POP Source 1
Black/ Color Bar/ Color 1/ Color
2/ HDMI 1/ HDMI 2/ HDMI 3
/HDMI 4/ Image
HDMI 1
POP Source 2
Black/ Color Bar/ Color 1/ Color
2/ HDMI 1/ HDMI 2/ HDMI 3
/HDMI 4/ Image
HDMI 2

16
10. DOWNSTREAM KEY
10.1. DSK
Press the DSK button to Mask the DSK signals utilizing the mask signal of the source. The source (Fill
Source, Key Source), Clip, Gain and mask (Mask Enable, Mask Left, Mask Top, Mask Right, Mask
Bottom) of DSK can be set from the menu. Options are detailed below. Press the ON AIR button next to
the DSK button to enable the KEY on PGM. Use the AUTO button or T-Bar control to switch the PVW
and DSK to PGM. The Key will not be changed when switching been the PVW and PGM.
DSK button ON: DSK key shows on PVW.
ON AIR button ON: DSK Key available on PGM.
ON AIR and DSK button both ON: Downstream Key available on both PVW and PGM. The corresponding
status in the menu is <KEY & ON AIR>
Menu
Sub-Menu
Item
Parameter
Default
Downstream
Key
DSK
DSK Status
OFF/ KEY (PVW)/ ON AIR (PGM)/ KEY &
ON AIR
Off
Fill Source
Black/ Color Bar/ Color 1/ Color 2/ HDMI 1/
HDMI 2/ HDMI 3 /HDMI 4/ Image
Black
Key Source
Black/ Color Bar/ Color 1/ Color 2/ HDMI 1/
HDMI 2/ HDMI 3 /HDMI 4/ Image
Black
Clip
0%-100%
0%
Gain
0%-100%
0%
Invert Key
On/Off
Off
Mask Enable
On/Off
Off
Mask Left
0%-100%
0