Industry Canada
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One Hand Operation
Can the controls be operated with one hand?
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An anxious looking woman with one arm in a sling is trying to use her foot and teeth to operate a fax machine that requires more than one hand to operate.
Products with keys need to be operable with one hand. This is illustrated with an image of a woman with one arm in a sling sitting trying to operate a fax machine that requires more than one hand to operate. This standard applies to other products with keys such as keypad entry devices, printers, scanners, keyboards, information transaction machines, phones and pagers.
The standard this example illustrates:
- Section 508 technical standard 1194.23 (k)
- Products which have mechanically operated controls or keys, shall comply with the following:
- Controls and keys shall be operable with one hand and shall not require tight grasping, pinching, or twisting of the wrist. The force required to activate controls and keys shall be 2.3 kgs. (22.2 Newtons) maximum.
Products to which this standard may apply:
- Multifunction device
- Keypad entry device
- Printers
- Scanners
- Keyboards
- Information Transaction machines
- Conventional phones
- and any other products with keypads, manual controls, touchscreens or contact sensitive controls.
