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2.02 First Time Use

Unobstructed drawing

It is essential that the movement of the MDA’s arm is never obstructed when it is in operation.

Before starting a drawing, always check if the drawing area and the table surface besides the MDA are clear and the TactiPad buttons are out of the way.

! If the MDA is obstructed at any time during drawing, switch it off using the on/off switch at the back. Once switched off, you can manually move the pen and arm out of the way of the obstruction if necessary. You may have to restart TactileView to refresh the connection.

TactiPad buttons

On each side of the TactiPad there are two sliding buttons that are used to fix the drawing tools. At the moment, the MDA’s pen that creates the drawing is too low to be able to move over the top of these buttons. In the final model, the pen will be raised high enough that interference with the buttons is no longer a problem.

! For now, it is important to make sure the buttons are out of the way of the moving pen:
– Portrait: move the two buttons on the left side of the TactiPad all the way down (i.e. towards you).
– Landscape: move the two buttons on the top of the TactiPad all the way to the right.

Drawing area

! The drawing area with the drawing foil should be clear of any pens, drawing tools or other objects that will obstruct the moving arm.

Area along the sides of the MDA

The arm moves along two vertical rails along the bed of the MDA. However, the arm is slightly wider than the bed, resulting in an area on the table along the sides of the MDA that should remain clear.

! Always make sure that on both sides of the MDA a strip of at least 5 centimetres is left unobstructed before you start drawing with the MDA.

Setting up the MDA in a organisational network

Setting up the MDA in an organisational network might involve some settings to be done by a network administrator. The MDA web-interface makes use of external communications to an external website, to a ftp server and to an sql database server. The external website is the Thinkable website, hosting the manual and help pages for the MDA. In order to registrar the MDA, your user data is send and saved to a database server. In order to make use of the image request system MyImages, which is part of the MDA web-interface, also access is required to the database server, that keeps track of image requests, status of the request and provides messages to the requester in case of an image becoming available from a designer based upon a request. The actual file transfer between the designer and requester is handled by a ftp-server, with the designer uploading the completed image to the ftp-server, and the requester having the image automatically downloaded from the ftp-server when the MyImage page is opened. For those external connections, which will used the organisational networks communication channels, the following provisions need to be made:

  • in order to access an external webpage, the firewall should grand access to internet communications, i.e. port 80 should be opened on the firewall and users should have access to use this port for external communications (which is more or less a default in all organisations).
  • in order to have ftp access, ports 20 and 21 should be opened on the firewall, and the MDA web interface should have access to use these ports.
  • in order to have database access (i.e. access to an external mysql database server), port 3306 should be opened on the firewall, and again the MDA web interface should have access to use this port.

In addition, just as a precaution: the MDA’s wired RJ45 network connection had a maximum speed of  100 Mbits. Although almost modern switches to which the MDA will be connected to will automatically determine the speed of the device connected to it, some switches are set to a fixed speed of 1 Gbits. Please make sure that the port speed to which the MDA will be connected to is set to auto-configure, or is manually set to 100 Mbits, otherwise the wired network connection between the MDA and the switch will fail.

For the WIFI network connection, the MDA has been configured for both a WPA pass-phrase connection (only a single pass-phrase is needed for a connection(, or for the so-called WPA Enterprise WIFI connection, based on a Radius access control server, for which both a username and password are required to make a connection. When selecting a WIFI connection from the MDA, the MDA can automatically determine which kind of WIFI network it is connecting to, and will automatically come with the request to enter either the single WPA pass-phrase for the single pass connection, or the username and password for the Enterprise connection,