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SC42PHU-4 

SC42DHU-4 

QUICK INSTALLATION GUIDE

©2019 All rights reserved. HSL logo and product names are trademarks or service trademarks of HighSecLabs Ltd (HSL).
All other marks are the property of their respective owners. Images for demonstration purposes only.  

HDC20601 Rev.1.0

Using the HSL 4 Port Combiner:

HSL’s 4 Ports KVM Combiner has three  layouts 

for presenting the 4 sources on the screen :

Full screen 

one of the four source PCs 

is presented on the display in full 
screen. To get into this mode, use the: 

L CTRL

L CTRL

f

” keyboard shortcut.

Quad

: All channels are shown on the 

connected display. To get into this 

mode, use the: ”

L CTRL

L CTRL

q

” 

keyboard shortcut.

Scale

: One channel is presented on 

two-thirds of the screen with the other 
3 channels on the remaining space on 
the right. To get into this mode, use 

the: “

L CTRL

L CTRL

s

” keyboard 

shortcut. 

The HSL KVM Combiner also supports a second 
display that can be used in 

clone

or 

extend

modes. 

To change between display modes, use the 
following keyboard shortcuts:

L CTRL 

|

L CTRL |F11

|

0

single

display (default)

L CTRL

L CTRL

F11

s

1

clone

display

L CTRL

L CTRL

|

F11

|

s

2

extended

display

Please see below a diagram of each mode of 
operation on one and two displays:

Full Screen layout Single/Clone 

in Extended mode the second screen will 
show the remaining 3 channels in Quad 
mode

Quad layout Single/Clone

Scale layout Single/Clone

in Extended mode the second screen will 
show the remaining 3 channels in Quad 
mode

Each channel shown has a frame around it 
to distinguish between the channel.

To select a channel (map the mouse and KB 
to it) use the KVM Combiner front panel 
push buttons. 

As a secondary switching method, the user 
can use 

CNS (cursor navigation switching).

Cursor navigation switching is enabled by 
default and requires the user to drag the 
mouse while pressing and holding the left 
CTRL key.

Notes

Power ON Self-Test Procedure: As the 
product powers-up it performs a self-test 
procedure. In case of self- test failure for 
any reason, including jammed buttons, the 
product will be Inoperable and self-test 
failure will be indicated by abnormal LED 
behavior. In this case, please call

Technical Support and avoid using the
product. 

For further information please refer to    

the product  administrator and setup guides.

Summary of Contents for SC42PHU-4

Page 1: ...4 device For further assistance please refer to HSL website http www highseclabs com Objectives Installation Precautions Do not connect this product to computing devices that Are TEMPEST computers Include telecommunication equipment Include frame grabber video cards Include special audio processing cards WARNING Peripherals Warning For security reasons this product does not support wireless keyboa...

Page 2: ...er 1 indicated by the applicable front panel push button LED lit NOTE HSL devices covered by this manual include a special DP HDMI connector enabling the user to use the product with both video formats as input and output NOTE In models supporting fUSB it is possible to connect additional USB devices and use them on the host PCs By default authentication devices such as CAC readers smart card read...

Page 3: ...0 single display default L CTRL L CTRL F11 s 1 clone display L CTRL L CTRL F11 s 2 extended display Please see below a diagram of each mode of operation on one and two displays Full Screen layout Single Clone in Extended mode the second screen will show the remaining 3 channels in Quad mode Quad layout Single Clone Scale layout Single Clone in Extended mode the second screen will show the remainin...

Page 4: ...sconnect for removing power to this product For products that have more than one AC inlet to remove power completely all AC line cords must be disconnected This product has no serviceable parts inside the product enclosure Do not open or remove product cover CAUTION Some HSL products contain a lithium battery This battery is not a field replaceable item and replacement should not be attempted by a...

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