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How-To Guides - Installing EPOC Software with a PC

Step 5. Using Add/Remove


	*Figure 4: Add/Remove Program has been added to Contral Panel*

After installing from the PC for the first time, you will notice a new icon called Add/Remove has been added to the Control Panel on your PDA (Figure 4). This is similar to the Add/Remove utility on Windows based PCs making clean removal of programs as easy as installation. Tapping on the icon brings up a list of installed software (Figure 5). From this list you simply need to highlight the program you wish to remove and press Delete.

It is important to note that some of the installed programs may contain files shared by other applications. Sysram1.opx (Figure 5), is an example of such a file and should only be removed after checking that it is not required by any other program. Another program's dependency on such shared files may not have been included in the information stored in Add/Remove so you should consult the programs documentation before removing such a file.


	*Figure 5: Caution when removing .opx files*

Step 6. Installing SIS files via the Psion

Once the Add/Remove icon is added to the Control Panel you can alternatively run EPOC Install files from the PDA itself. Simply copy the SIS file to your PDA and tap on the file's icon. This will open the EPOC Install program on the PDA instead of the PC. To do this you must first have the Add/Remove icon on your PDA's Control Panel. Without this, the SIS file will not be recognised by your PDA. After making one PC based installation you can therefore install from the PDA or PC. If you intend to download and run files from the internet via you PDA, without going near a PC, you can install the Add/Remove utility without using your PC by downloading a program called instexe.exe from the Psion web site. Copy this to your PDA, do not worry that it shows up as a question mark on the system screen, tap on it, and it will install the Add/Remove feature to your PDA. You will now be able to run SIS files on your PDA and they will now show up with the correct Icon on the system screen.

I hope that this short guide has been of help showing how simple it can be to install programs to your PDA.

Chris Hopkins

Web Site: http://www.gasdoc.freeserve.co.uk

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