Like all Adder products, the internal software (firmware) of the unit is designed
to be easily upgraded in order to take advantage of a continual process of
improvement and innovation. A specialised upgrade cable is required to
connect the Adder unit to the serial port of a suitable system. The cable may be
purchased from your supplier, direct from Adder or created using the

pin-out

given later in this guide.
You can discover the current version of your Adder unit in two ways, either
using the upgrade application (discussed later) or within the configuration mode
as discussed next.

To discover the current firmware version

1 Enter configuration mode: Press and hold the

SELECT

button until the

SYSTEM

readout shows c.

2 You need to discover the three digits of the firmware release individually, as

follows:

• Press

to discover the first firmware release digit.

• Press

to discover the second firmware release digit.

• Press

to discover the third firmware release digit.

At each stage, the

SYSTEM

readout will momentarily show

and then the

relevant digit, before returning to the c prompt. For example, the respective
digits 1, 4 and 6 mean that the firmware version is v1.46.

3 Once completed, press to exit from configuration mode.

To upgrade the Adder unit

1 Download the latest firmware upgrade file from the Adder website:

www.

adder.com

. The upgrade files are compressed using pkzip format which

you will need to decompress them. If you do not have pkzip, go to

www.

pkware.com

to download the latest version. Place the decompressed

upgrade files onto the Windows system that will be connected (via a vacant
serial port) to the Adder unit.

2 Remove power from the Adder unit. If any systems are active, either switch

them off or remove their keyboard link connectors from the Adder unit. If an
optional power supply is used, remove it.

3 Connect the upgrade cable between the remote control socket on the right

side of the Adder unit rear panel and a vacant serial port on the system
containing the upgrade files.

4 On the underside of the unit, click mini switch 7 to its ON position.
5 Re-apply power to the Adder unit and switch on the system to be used for

the upgrade. The

SYSTEM

readout will show .

7 Click the Browse... button and locate the TXT file that accompanied the

upgrade utility. Highlight the TXT file and click the Open button.

8 Click the

Advanced... button and in the subsequent dialog, ensure that the

Serial Port entry matches the port to which the upgrade cable is attached.
Also select the Program and verify option. Click the OK button.

9 Click the Query Unit button to check the name and version of the current

firmware - the application will interrogate the unit via the upgrade cable.
Once the version information is displayed, check that the Intended Target
Units field matches the Unit Connected field and the New Firmware Version
field exceeds that of the Current Firmware Version.

10 Click the Upload Now button to begin transferring the upgrade data from

the system to the Adder unit. The progress of the upload is shown in the
status bar (indicating the advancement of the current task) and the progress
bar (indicating the progress of the upload as a whole). The

SYSTEM

readout

will show u.

During the upload, all buttons become disabled except for the Abort

button. The upload can take as long as fifteen minutes. Should you need to
abandon the upload at any stage, click the Abort button.

Following the upload, a verification will be carried out and the results

displayed within the upgrade application window.

11 When complete, switch off the Adder unit, disconnect the upgrade cable,

return mini switch 7 to its OFF position and resume operation of the Adder
unit in the usual manner.

6 Locate and run the application ‘KVMUploader’ to display this window:

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