Hardware Self Contained, Closed Products

Checkpoint 5.1: Timed responses

Provide an alert before timed responses expire and allow the user to indicate more time is needed.


Some users have difficulty reading or responding to information if it is displayed briefly or requires a quick response time. The device needs to alert the user before the time expires so that they can indicate if more time is needed to complete the activity.

Required development techniques

Use one or more of the following techniques to meet Checkpoint 5.1 from the IBM Hardware Self Contained, Closed Products Accessibility Checklist:

Required test techniques

Test the hardware to ensure that it complies with accessibility requirements.


For each timed response, software test cases are needed to test this checkpoint.


One or more of the following techniques are required to verify this checkpoint:
Action Result
1. Verify, through inspection, that there is a way to allow a timed event to persist. Pass:

2. Verify, through software test case(s), that an alert is generated for all timed events and a option to indicate more time is required. Pass:

3. Verify that there are no timed responses for messages.

Verify by inspection that all messages display until the user closes them.


©2009 IBM Corporation

Last updated September 01, 2009.