KOA CCTV K5705 User manual

4x1 HDMI 2.0a Switch with ARC support
and Multi Control
User Manual
rev: 170203
Made in Taiwan
K5705

Safety and Notice
The K5705 4x1 HDMI 2.0a Switch with ARC support and Multi Control has been tested for
conformance to safety regulations and requirements, and has been certified for international use.
However, like all electronic equipments, the K5705 should be used with care. Please read and follow
the safety instructions to protect yourself from possible injury and to minimize the risk of damage to
the unit.
●Follow all instructions and warnings marked on this unit.
●Do not attempt to service this unit yourself, except where explained in this manual.
●Provide proper ventilation and air circulation and do not use near water.
●Keep objects that might damage the device and assure that the placement of this unit is on a
stable surface.
●Use only the power adapter and power cords and connection cables designed for this unit.
●Do not use liquid or aerosol cleaners to clean this unit. Always unplug the power to the device
before cleaning.
TABLE OF CONTENTS
INTRODUCTION.................................................................................................................1
FEATURES.........................................................................................................................1
PACKAGE CONTENTS......................................................................................................1
SPECIFICATIONS..............................................................................................................2
PANEL DESCRIPTIONS.....................................................................................................3
CONNECTION DIAGRAM ..................................................................................................4
CONNECTION DIAGRAM (ARC OUTPUT)........................................................................5
OPERATION APPROACH..................................................................................................6
WARRANTY .....................................................................................................................10

1
INTRODUCTION
The K5705 4x1 HDMI 2.0a Switch with ARC support and Multi Control provides easy
switching among 4 HDMI sources to your high definition display including HDMI equipped or DVI
enable monitors. Full digital and high quality video/audio from any of these 4 sources can
perfectly be transmitted to the connected high definition monitor via IR remote control, front
panel button, software control and cloud control. With HDCP support, up to four HDMI/DVI
sources such as PS3, DVD players, camcorders, or set-top boxes can seamlessly &
simultaneously connected to this K5705.
FEATURES
HDMI 2.0a compliant
Supports 4K2K@60 4:4:4 8bits
Supports HDR* which is 4K2K@60 4:2:0 10bits**
HDCP 2.2 and 1.4 compliant
Wide frequency range: 25MHz~600MHz
Video bandwidth: 18Gbps
Supports ARC
Supports xvYCC, x.v.Color & Deep color
The switcher can select any HDMI input by front panel button, IR remote control, USB and Eagleyes
(Cloud) control
Handy front panel button to switch any four HDMI/DVI sources
Front Panel LED indictors
Equalization on input ports and pre-emphasis on output port
Easy installation
Supports Cloud control***
PACKAGE CONTENTS
1x K5705
1x 5V DC power adapter
1x Installation Software CD
1x User Manual
1x IR Remote Control (15 keys)
* HDR = High Dynamic Range.
** The video bandwidth of 4K2K@60 4:2:0 10bits (HDR) is 384MHz, and the 4K2K@60 4:4:4
8bits is 594MHz
*** Cloud support is thru an encrypted communication to provide the best private protection
when using K5705

2
SPECIFICATIONS
Model Name
K5705
Technical
Role of usage
4x1 switch
HDMI compliance
HDMI 2.0a
HDCP compliance
HDCP 2.2
Video bandwidth
Single-link 600MHz [18Gbps]
Video Support
HDR 4K2K@60 (4:2:0 10bits) / 4K2K@60 (4:4:4 8bits)
Audio Support
DTS-HD Master Audio, Dolby TrueHD Dolby Digital
DTS, DVD-Audio, LPCM, SACD, MPCM
Input TMDS Signal
1.2 volts (peak-to-peak)
Input DDC signal
5 volts (peal-to-peak)
ESD Protection
Human body model—±15kV [air-gap discharge] & ±8kV [contact discharge]
Input
4x HDMI + 1x mini-USB + 1x RJ-45
Output
1x HDMI + 1x S/PDIF + 1x 3.5mm (stereo)
IR Remote Control
Electro-optical characteristics:
π
= 25° / Carrier frequency: 38kHz
HDMI connector
Type A [19-pin female]
RJ-45 connector
WE/SS 8P8C with 2 LED indicator
RCA connector
50Ω female
3.5mm connector
Earphone socket for analog stereo audio
USB connector
Mini USB
Mechanical
Housing
Metal enclosure
Dimensions
[L x W x H]
Model
187 x 62 x 24mm [7.4" x 2.4" x 0.9"]
Package
263 x 170 x 97mm [10.3" x 6.7" x 3.8"]
Carton
512 x 364 x 288mm [1'7" x 1.2' x 11.3"]
Weight
Model
300g [10.1oz]
Package
697g [1.16 lbs]
Fixedness
Wall-mounting case
Power supply
5V DC
Power consumption
4.5 Watts [max]
Operation temperature
0~40°C [32~104°F]
Storage temperature
-20~60°C [-4~140°F]
Relative humidity
20~90% RH [no condensation]

3
PANEL DESCRIPTIONS
Front Panel
1. Mini USB: for software control or firmware udpate
2. Channel Push Button: Select input channel
3. IR Sensor: IR sensor for receiving the IR commands from IR remote
4. Selected Source Status LED: When users use port channel push button, the indicator LED will show
the selected source. (from the left to the right is input 4, input 3, input 2, input 1)
5. Power Status:Power indicator LED
6. S/PDIF Out [ARC]: Connect to an S/PDIF digital audio output
7. Steroe Out [ARC]: Connect to an stereo analog audio output
Rear Panel
8. HDMI OUT: HDMI output
9. HDMI Input 1~4: HDMI inputs (from the left to the right is input 1, input 2, input 3, input 4)
10. Ethernet: Ethernet control port
11.+5V DC: Connect to a 5V DC power supply

4
CONNECTION DIAGRAM
K5705

5
CONNECTION DIAGRAM (ARC OUTPUT)
Procedure of ARC configuration:
Make sure your device (A/V Receiver/Audio Amplifier/Display) supports ARC (Audio Return
Channel) function.
Connect a HDMI display which with ARC input to the K5705 HDMI output.
Check the connection way of the source and audio amplifier is the same as above
connection diagram.
Connect the audio speaker to the K5705 S/PDIF output (ARC output)
Make sure your display source from other HDMI input ports (without ARC input), and TV will
send audio data return to S/PDIF speaker.
Plug in power supply unit to the power jack of the K5705.
K5705

6
OPERATION APPROACH
Method A: IR Remote Control
Function Key
Function Description
POWER Standby mode
Reserved
Reserved
SOURCE SELECT 1 Select HDMI INPUT 1 to be the input source
SOURCE SELECT 2 Select HDMI INPUT 2 to be the input source
SOURCE SELECT 3Select HDMI INPUT 3to be the input source
SOURCE SELECT 4Select HDMI INPUT 4to be the input source
Method B: Software Control through RS-232 port
1. System Requirement
(1) OS information : MS Win XP/7/8/10
(2) Baud rates: 9600
(3) Software size: 1MB
(4) Minimum RAM requirement: 256MB
2. Control interface
1 Power ON / Standby mode 4 I/O Mapping
2
Control software via RS-232
5
System
3 COM port selection
1
2
3
4
5

7
(1) I/O Mapping
Mapping
You can assign arbitrary video source here.
IR Setting
This setting controls the operation of the front panel IR receiver. You can
enable/disable the IR status.
(2) System
Network function
DHCP mode: Select DHCP and click “Read” button to automatically get the IP
address.
Static mode: Select Static and then key in the “IP”, “MASK”, “Gateway”
information. After setting IP address, please click “Save” button to save IP
address information.
Association Code
To get an “association code”. The device can use this code to pair with cloud server
Reset Cloud
Reset the cloud server
Factory Reset
To do factory default reset

8
Firmware version
Get the firmware version information
Firmware update
Firmware update device
Method B: Cloud Control (Eagleyes) through Ethernet port
Create Account
The first time to use the Eagleyes service, please create a new account.
1. Access Eagleyes (http://www.eagleyes.io) and click “Create new account”.
2. The Registration page will pop up and please fill in your email and password information to
create your private account.