Device Trials and Rationale

K0542
His needs and abilities exceed the available vocabulary on the TechTalk8 and MessageMate.
K0543
He was unable to spell adequately to generate novel messages on a purely text-based device.
K0544
The black/white symbols on the Dynamo display were difficult to discriminate and interfered with his symbol selection accuracy and rate.
The DynaVox exceeded the size/weight criteria for the patient to carry independently/safely.
During trials with the DynaMyte, successful communication behaviors were noted.