AVGear AVG-CSK-HD88 User manual

AVG-CSK-HD88
The AVG-CSK-HD88 is a professional 8x8
HDMI V2.0 Matrix Switcher with audio
breakout. It transmits HDMI signals up to 70m
over single CATx cable. All of the HDMI
outputs support a down-scaling function. It
also features SPDIF and analog audio outputs
for audio breakout, comprehensive EDID
management and advanced HDCP handling.
Bi-directional IR, RS232 and TCP/IP control
with Web GUI are also included.
⚫8x8 HDMI V2.0 Matrix Switcher.
⚫Supports 4K@60 4:4:4, HDR, HDCP2.2.
⚫4K/ 1080p HDMI signals extension up to
70m.
⚫Audio out can be de-embedded from
any output.
⚫HDMI outputs support 4K to 1080p
down-scaling.
⚫Controllable via front panel, IR, RS232
and TCP/IP.
⚫CATx outputs support 12V PoC power
for receivers.
⚫Supports bi-directional IR pass-through.

AVG-CSK-HD88
PLEASE READ THIS PRODUCT MANUAL CAREFULLY
BEFORE USING THIS PRODUCT.
This manual is only for operational instruction only, and not to be used
for maintenance. The functions described in this version are current as
at June 2021. Any changes of functions and operational parameters will
be updated in future manual versions. Please refer to your dealer for the
latest product details.
Version 1.0 10/06/21

AVG-CSK-HD88
SAFETY OPERATION GUIDE
To guarantee the reliable operation of the equipment and safety of the user, please
abide by the following procedures in installation, use and maintenance:
1. The system must be earthed properly. Please do not use two blade plugs and
ensure the alternating power supply ranges from 100v to 240v and from 50Hz to
60Hz.
2. Do not install the product in an environment where it will be exposed to extreme
hot or cold temperatures.
3. This unit will generate heat during operation, please ensure that you allow
adequate ventilation to ensure reliable operation.
4. Please disconnect the unit from mains power if it will be left unused for a long
time.
5. Please DO NOT try to open the casing of the equipment, DO NOT attempt to
repair the unit. Opening the unit will void the warranty. There are high voltage
components in the unit and attempting to repair the unit could result in serious
injury.
6. Do not allow the unit to come into contact with any liquid as that could result in
personal injury and product failure.

AVG-CSK-HD88
TABLE OF CONTENTS
Introduction...................................................................................................................1
Product Introduction..............................................................................................1.1
Features ...............................................................................................................1.2
What’s in the box ..................................................................................................1.3
Specifications ..................……………………………………………………………………2
Product Appearance of the CSK-HD88 KIT ................................................................3
Matrix Switcher Front Panel..................................................................................3.1
Matrix Switcher Rear Panel..................................................................................3.2
Receiver Front and Rear Panel............................................................................3.3
System Connections ....................................................................................................4
Usage Precautions ...............................................................................................4.1
System Diagram...................................................................................................4.2
System Operation.........................................................................................................5
Signal Switching ...................................................................................................5.1
Panel Button Locking/Unlocking...........................................................................5.2
IR Remote Control ........................................................................................................6
GUI Control....................................................................................................................7
Signal Switching ...................................................................................................7.1
Audio Settings ......................................................................................................7.2
Configuration........................................................................................................7.3
Down-scaling..............................................................................................7.3.1
PoC……………………………………………………………………………….7.3.2

AVG-CSK-HD88
HDCP Settings. ..........................................................................................7.3.3
EDID Copy…..............................................................................................7.3.4
EDID Settings.............................................................................................7.3.5
CEC Control .........................................................................................................7.4
RS232 Control......................................................................................................7.5
Access Settings....................................................................................................7.6
Interface Settings..................................................................................................7.7
Network Settings ..................................................................................................7.8
GUI Upgrade ........................................................................................................7.9
RS232 Control………………………………………………………………………………..8
RS232 Control Software.......................................................................................8.1
Basic Settings.......................................................................................................8.2
RS232 Commands ...............................................................................................8.3
System Commands....................................................................................8.3.1
Control management..................................................................................8.3.2
Query Commands ......................................................................................8.3.3
Lock/unlock Command...............................................................................8.3.4
Audio Commands.......................................................................................8.3.5
HDCP Compliance .....................................................................................8.3.6
EDID Management.....................................................................................8.3.7
CEC Control…............................................................................................8.3.8
Firmware Upgrade ........................................................................................................9
Troubleshooting & Maintenance ...............................................................................10
Customer Service .......................................................................................................11

AVG-CSK-HD88
1. Introduction
The AVG-CSK-HD88 is a professional 8x8 HDMI V2.0 Matrix Switcher with built in
audio breakout. It includes 8 HDMI inputs, 2 HDMI outputs and 6 CATx extension
outputs with a HDMI loop out. HDMI signal is extended up to 70m over a single CATx
cable. All the HDMI outputs support down-scaling function. It also features SPDIF and
analog audio outputs for audio breakout.
The matrix switcher features comprehensive EDID management and advanced HDCP
handling to ensure maximum functionality with a wide range of video sources.
The matrix switcher not only supports bi-directional IR, RS232 control but also TCP/IP
control with a Web GUI.
1.1 Features
⚫8x8 HDMI V2.0 Matrix Switcher.
⚫Supports 4K@60 4:4:4, HDR, HDCP2.2.
⚫4K/ 1080p HDMI signal extension up to 70m.
⚫Audio out can be de-embedded from any outputs.
⚫HDMI outputs support 4K to 1080p down-scaling.
⚫Controllable via front panel, IR, RS232 and TCP/IP.
⚫CATx outputs support 12V PoC power for receivers.
⚫Supports bi-directional IR pass-through.

AVG-CSK-HD88
1.2 Package List
1.2.1 Switcher
⚫1x AVG-CSK-HD88
⚫2x Mounting ears with 6 screws
⚫4x Plastic cushions
⚫8x IR receivers
⚫9x IR emitters
⚫1x IR remote
⚫1x RS232 cable (3-pin to DB9)
⚫1x Power adaptor (DC 24V 2.71A)
⚫1x User manual
1.2.2 Receiver
⚫6x HD70LR
⚫6x Velcro Strips
Note: Please contact your distributor immediately if any damage or defect in the
components is found.

AVG-CSK-HD88
2. Specifications
AVG-CSK-HD88
Video
Video Input
(8) HDMI
Input Connector
(8) Type-A female HDMI
HDMI Input Resolution
Up to 4K@60Hz 4:4:4, HDR
Video Output
(6) CATx, (3) HDMI
Output Connector
(6) RJ45, (3) Type-A female HDMI
HDMI Output Resolution
Up to 4K@60Hz 4:4:4, HDR10
CATx Output distance
Up to 70m
HDCP Version
Up to 2.2
HDMI Audio Signals
LPCM 7.1 audio, Dolby Atmos®, Dolby® TrueHD, Dolby Digital®
Plus, DTS:X™, and DTS-HD® Master Audio™ pass-through.
Audio Output
Output
(1) Digital SPDIF audio, (1) Analog stereo audio
Output Connector
(1) Toslink connector, (1) 3.5mm Jack
Digital SPDIF Audio Format
Supports PCM, Dolby Digital, DTS, DTS-HD
Analog Stereo Audio Format
Supports PCM
Frequency Response
20Hz –20KHz,±3dB
Max Output Level
±0.05dBFS
THD+N
< 0.1%, 20 Hz –20 kHz bandwidth, 1 kHz sine at 0dBFS level (or
max level)
SNR
> 90dB, 20Hz-20KHz bandwidth
Crosstalk Isolation
< -70 dB, 10 kHz sine at 0 dBFS level (or max level before clipping)
Noise
-90dB
Control
Control port
(1) IR EYE, (1) RS232, (1) TCP/IP,
Control Connector
(1) 3.5mm jack, (1) 3-pin terminal block, (1) RJ45
General
Transmission Distance
4K/60Hz/444 5m,4K/60Hz/420 10m,1080P 15m
Bandwidth
18Gbps
Operation Temperature
-5℃ ~ +55℃
Storage Temperature
-25℃ ~ +70℃
Relative Humidity
10% ~ 90%

AVG-CSK-HD88
External Power Supply
Input: AC 100V~240V, 50/60Hz; Output : 24V DC 2.71A
Power Consumption
48W
Dimension (W*H*D)
436mm*44mm*180mm
Net Weight
2.35kg
HD70LR
Receiver
Input
(1) CATx IN
Input Connector
(1) RJ45
Output
(1) DISPLAY
Output Connector
(1) 19-pin type-A female HDMI
Control
(1) IR IN, (1) IR OUT
Control Connector
(2) 3.5mm mini jacks
General
Video Resolution
Up to 4K@60Hz 4:4:4, HDR 10
HDMI Audio Format
Supports LPCM 2ch, LPCM 5.1ch, LPCM 7.1ch, Dolby Digital 2ch,
Dolby Digital 5.1ch, DTS 2ch, DTS 5.1ch, DTS 96/24 5.1ch.
Transmission Distance
4K/1080p ≤ 70 meters (230ft)
Note that the CATx cable length should not be less than 15 meters
for best video output..
HDMI Version
HDMI V2.0
HDCP Version
HDCP 2.2 compliant. (The HDCP of output follows the HDCP
version of display device.)
EDID
EDID management
Power Supply
Input: 100VAC~240VAC, 50/60Hz;
Output: 12VDC 1A
Power Consumption
4W (Max)
Operation Temperature
-5~55℃
Storage Temperature
-25~70℃
Relative Humidity
10%-90%
Dimensions (W*H*D)
80mm x 16.8mm x 80mm
Net Weight
70g

AVG-CSK-HD88
3. Panel Description
3.1 Front Panel
No.
Name
Description
①
Power Indicator
⚫Illuminates green when device powered on;
⚫Turns red in standby mode.
②
Lock Button &
Indicator
⚫Long press more than 3 seconds to lock/
unlock the front panel buttons.
⚫Indicator illuminates red when front panel is
locked.
③
Output Select Button
& Input Indicator
⚫Total 8 output selector buttons, press the
buttons to toggle input signal.
⚫The indicator will turn green if the
corresponding input is selected.

AVG-CSK-HD88
3.2 Rear Panel
No.
Name
Description
①
INPUTS
8 HDMI inputs, connects with HDMI sources.
②
OUTPUTS
6 CATx outputs, connects with the receivers. The
No.6 output has a HDMI loop out.
3 HDMI outputs, connects with HDMI displays.
③
IR OUT
8 IR outputs and 1 IR all-out, work with the receivers
to support IR pass-through.
④
IR IN
6 IR inputs and 1 IR all-in, work with the receivers to
support IR pass-through.
1 IR EYE input, connects with external IR receiver for
using the IR remote to control the Matrix Switcher.
⑤
AUDIO
OUTPUTS
OPTICAL & STEREO audio output ports for audio de-
embedded from HDMI output.
Two audio output ports are de-embedded from the
same video output.
⑥
TCP/IP & RS232
TCP/IP: RJ45 port to connect the control device (e.g.
PC) to control the matrix by GUI.
RS232: 3-pin terminal block to connect the RS232
control device (e.g. PC) or a device to be controlled
by RS232 commands.
⑦
DC 24V
Connect with 24VDC power adaptor.

AVG-CSK-HD88
4. System Connections
4.1 Usage Precautions
⚫Make sure all components and accessories included before installation.
⚫System should be installed in a clean environment with proper temperature and
humidity.
⚫All of the power switches, plugs, sockets, and power cords should be insulated and
safe.
⚫All devices should be connected before powering on.
4.2 System Diagram
1-HDMI 1-CATx 6-HDMI 7-HDMI 8-HDMI2-HDMI 3-HDMI 4-HDMI 5-HDMI 6-HDMI 7-HDMI 8-HDMI 2-CATx 3-CATx 4-CATx 5-CATx 6-CATx
INPUT OUTPUT DC24V
1 2 3 5 6 ALL1 2 3 4 5 6 7 8 ALL
IROUT 4IRIN TCP/IP RS232
Tx Rx
AUDIOOUTPUT
OPTICAL STEREO
IREYE
Game Console
Apply TV
Laptop
4K Blu-Ray
Camera
MacBook
Source
IR Emitter
Display
Receiver
MENU
ALL
CLEAR
ENTER
OUTPUT
1 2 3
4 5 6
78
1 2 3
4 5 6
78
INPUT
LOCK
Display
Projector
Amplifier
Speaker Speaker Speaker Speaker
IR Emitter
IR Receiver Remote
Remote
Laptop
HDMI:
IR:
RS232:
HDBaseT:
Ethernet:
Audio:

AVG-CSK-HD88
5. Front Panel Button Control
5.1 I/O Connection Switching
The front panel features eight output selection buttons, each one has 8 input indicators.
Press the button to toggle from input 1 to input 8. If the HDMI input is selected, the
corresponding indicator will turn green.
5.2 LOCK Function
Press and hold the LOCK button for three seconds, all buttons on the front panel will
be disabled. At the same time, the LOCK indicator will turn red.
Press and hold the LOCK button for three seconds again, the front panel buttons will
unlock.

AVG-CSK-HD88
6. IR Remote Control
The Matrix Switcher features one IR REC port on the rear panel to receive IR signals
from an IR remote to enable IR control.
①Standby button:
Press it to enter/ exit standby mode.
②INPUTS:
Input channel selection buttons, they correspond
with the front panel buttons
③OUTPUTS:
Output channel selection buttons, they correspond
with the front panel buttons.
④Menu buttons:
⚫ALL: Select all inputs/outputs.
To convert an input to all outputs:
Example: Input 1 to all Outputs:
→Press INPUTS 1 + ALL + ENTER
⚫EDID management button:
1) One input port follows the EDID data from one
output port.
Example: Input 2 learns EDID data from output 4:
→Press EDID + INPUTS 2 + OUTPUTS 4+
ENTER
2) All input ports learn EDID data from one output
port.
Example: All input ports learn EDID data from
output 3:
→Press EDID + ALL + OUTPUTS 3 + ENTER
⚫CLEAR: Withdraw button.
⚫ENTER: Confirm operation.

AVG-CSK-HD88
7. GUI Control
The matrix switcher can be controlled by web GUI via TCP/IP port. The default IP
settings are:
IP Address:
192.168.0.178
Subnet Mask:
255.255.255.0
Type 192.168.0.178 in your internet browser, you will see the below log-in webpage:
Username: admin
Password: admin
Type the user name and password, and then click Login to enter the GUI for video
switching.

AVG-CSK-HD88
7.1 Switching Tab
Use the 8x8 button grid on the page to set which inputs are directed to which outputs.
For example, clicking the button on the Input 1 row and Output 1 column, directs input
1 to output 1.
Use the 6 numbered buttons under scene area to save and load layout presets.
•To save a given layout, first click one of the
numbered buttons, then click the Save button.
•To load a previously saved layout, first click one of
the numbered buttons, then click the Recall button.

AVG-CSK-HD88
7.2 Audio Tab
Audio De-embedded
⚫OPTICAL & STEREO audio output ports can be de-embedded from 8x HDMI
outputs.

AVG-CSK-HD88
7.3 Configuration Tab
1) Video Resolution Down-scaling:
The matrix supports video resolution downscaling on HDMI outputs. 4K
(4096x2160/3840x2160) inputs can be automatically degraded to 1080p output for
compatibility with 1080p displays, shown in the below chart.
Input
Output
#
Resolution
Refresh
Color Space
Downscale
1080p Specs
1
4K
60Hz
4:4:4
Support
1080p@60Hz 4:4:4
2
4K
50Hz
4:4:4
Support
1080p@50Hz 4:4:4
3
4K
30Hz
4:4:4
Support
1080p@30Hz 4:4:4
4
4K
25Hz
4:4:4
Support
1080p@25Hz 4:4:4
5
4K
24Hz
4:4:4
Support
1080p@24Hz 4:4:4
6
4K
23Hz
4:4:4
Support
1080p@23Hz 4:4:4
7
4K
60Hz
4:2:0
Support
1080p@60Hz 4:4:4
8
4K
50Hz
4:2:0
Support
1080p@50Hz 4:4:4
9
4K
30Hz
4:2:0
Support
1080p@30Hz 4:4:4
10
4K
25Hz
4:2:0
Support
1080p@25Hz 4:4:4
11
4K
24Hz
4:2:0
Support
1080p@24Hz 4:4:4
12
4K
23Hz
4:2:0
Support
1080p@23Hz 4:4:4
13
4K
60Hz
RGB
Support
1080p@60Hz RGB
14
4K
50Hz
RGB
Support
1080p@50Hz RGB
15
4K
30Hz
RGB
Support
1080p@30Hz RGB
16
4K
25Hz
RGB
Support
1080p@25Hz RGB
17
4K
24Hz
RGB
Support
1080p@24Hz RGB
18
4K
23Hz
RGB
Support
1080p@23Hz RGB

AVG-CSK-HD88
2) PoC
⚫Turn on or off PoC for 1-CATx ~ 6-CATx output port.
3) HDCP
⚫HDCP setting for 8 outputs.

AVG-CSK-HD88
4) EDID Copy
⚫Copy the EDID of the selected output device to one or more input source device.