Zygo-USA Optimist MMX-3 Especificaciones descargar pdf (Pagina 10)

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HARDWARE COMMENTS

IBM platform (Viewmaster Pentium 75

Laptop).

Keyguard. Help with accuracy in key selection.

Mounting system. Enables the laptop to be moved from side to

side as required.

Interface for use of wheelchair battery. The laptop must be charged with a mains

supply once a month to preserve the battery.

Mouse Keys box. Mouse access.

OFTWARE COMMENTS

E.Z.Keys for windows. Chosen after consideration of physical access needs and

personal preferences.

Rate enhancement features.

“Side Talk” feature used for communication.

DECtalk Express

speech synthesiser.

Problems:

• Mounting system needed to be redesigned to allow for better visibility when driving

and foam padding was added between the tray and the computer to decrease the

effect of vibrations.

• The computer is run off of the wheelchair battery and connected via a cable. This

wiring connection is vulnerable to damage and needs regular maintenance.

• The durability of the system has caused a problem; the cables are vulnerable to

damage but can be easily replaced. However, interference was reported on the

screen after about a year and needed to be replaced. Due to the high cost of this

replacement a new laptop was purchased instead.

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Zygo-USA Optimist MMX-3 Especificaciones Pagina 10