ADDER AV4PRO-VGA-TRIPLE-US KVM Switch Specification Guide

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USB keyboard and mouse control

The ADDERView Pro features high 

resolution VGA video with extended 

DDC EDID profile. The extended DDC 

EDID profile ensures that the switched 

graphics card is always optimised to work 

with your screen. The VGA capabilities 

enable users to work at high resolutions 

on each head for resolution intensive 

applications such as media/graphic design 

or detailed medical imaging.  

True Emulation USB 2.0 technology

The AV4PRO-VGA belongs to the first 

KVMA range of switches to feature 

Adder’s advanced True USB Emulation 

technology. Emulated USB provides an 

instantaneous and reliable switching 

action and makes keyboard hotkey and 

mouse switching possible. Previous 

implementations have used generic 

emulations and consequently have only 

been able to support the most basic 

keyboard and mouse features. Adder’s 

revolutionary True Emulation technology 

overcomes this frustrating limitation 

by emulating the true character of the 

connected devices to all the computers 

simultaneously. This means that you can 

now use the extra function keys, wheels, 

buttons and controls that are commonly 

found on modern keyboards and mice.  

Independent simultaneous device 

selection

Flexibility is key to the ADDERView Pro. 

The switch enables you to use the KVMA 

console to work on one computer whilst 

your USB peripherals are connected to 

other computers and your speakers are 

playing music from yet another.  You can of 

course still switch all connected devices 

to any one of the connected computers 

as with any other KVM switch.

Channel selection options

The ADDERView Pro can be switched 

using selectable keyboard hotkeys, 3 

button mice or the front panel controls.  

Optionally, you can also use the RC4 

remote switch to make your selection.

These switching options allow you to 

rapidly reasign connected devices to any 

of the connected computers.

Broad USB 2.0 Hi Speed device support

A vast range of USB devices can be 

connected to the ADDERView Pro, from 

non standard human interface devices 

to printers and scanners. This gives great 

flexibility. For example, you could be 

scanning a set of documents onto one 

computer whilst working on another 

and printing from yet another, all at 

the same time. The USB 2.0 switching 

action has been carefully engineered to 

ensure maximum computer reliability 

when connecting and disconnecting USB 

devices. 

Options port for control, synchronisation 

and upgrade

An ‘Options’ port enables the AV4PRO-

VGA to be remotely switched using 

simple ASCII codes. When the channel 

is switched, the same ASCII codes are 

echoed to the ‘Options’ port and so, 

by linking ‘Options’ ports, two or more 

PRODUCT IN BRIEF

The AV4PRO-VGA is designed to 

enable four multihead computers to be 

controlled from a single high resolution 
KVM console using high definition  

analogue VGA video links. The switch 

makes use of Adder’s USB True 

Emulation technology which enables 
USB HID devices to be continuously 

emulated to each computer. This unique 

technology enables instantaneous 
and reliable hotkey switching whilst 

also supporting the extra keys and 

features of enhanced keyboards and 
mice. Furthermore, the ADDERView 

4PRO-VGA includes two independently 

switchable USB 2.0 channels and an 

audio channel, giving the user the 
flexibility to attach selected peripherals 

to different computers. 

ADDERVIEW 4PRO-VGA

Ultimate flexibility for sharing high-res screens and USB peripherals

 KVMA switch to share Video and 

USB between multiple sources

ADDERView PRO Range

Independent simultaneous 

device selection

Switching all connected devices 

to a single computer