Guidelines
Checklist for Mobile Telephones
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| Keypad / Controls | |||||
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There is good visual contrast between the keys and body of the phone |
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| Key tops are convex, or flat with a raised edge |
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| Keys are as large a size as possible |
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| Keys are internally illuminated | |
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| Visual markings on the keys are clear and as large as possible |
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| Keys are raised 5mm above the body of the phone |
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| There is auditory feedback of key activation |
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| There is tactile feedback of key activation | |
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| Function keys are tactually discernable from numeric keys | |
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| The "5" key is marked tactually | |
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| There is a voice mode selction that announces all key presses | |
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| There are one-touch buttons for dialling | |
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| Rotational or linear-stop controls have been incorporated | |
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| The user can adjust or reset timed responses | |
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| The ability to swtich on or off buttons on the side of the telephone | |
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| Display / Screen | |||||
| There is good contrast and a clear typeface | |
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| There is no scrolling or flashing text | |
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| There is minimal visual flicker and image flashing | |
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| There is minimal glare on the display and control surfaces | |
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| There is adequate back lighting | |
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| There is the ability to alter the length of activation time for back lighting | |
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| The font size can be increased | |
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| All labels and instructions are in upper and lower case, not capitals | |
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| Arabic numerals are used | |
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| The colours on the screen allow for red/green and blue/yellow colour blindness | |
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| Physical characteristics | |||||
| The SIM card is easily inserted in the correct orientation | |
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| The phone is not too heavy to hold | |
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| The phone can be operated using one hand | |
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| The underside of the phone is made from non-slip material | |
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| The antenna is robust and does not require extending | |
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| Operation | |||||
| There is an audio indication when the phone is switched on or off | |
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| There is a visual indication when the phone is switched on or off | |||||
| The phone should be able to return to a default status | |
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| Error messages are in short, simple sentences | |
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| All labels and instructions are in short, simple sentences | |
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| There are no abbreviations used | |
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| There is an option to associate a photograph with a telephone number in the address book | |
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| Audio output | |||||
| The volume of the ringing tone can be set by the user | |||||
| The ringing/alerting tone uses high and low frequencies | |||||
| The user can increase the volume of the audio signal | |||||
| Audio prompts have a synchronised text version | |||||
| There is an industry standard connector for listening devices | |
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| There is the ability to install assistive technology directly onto the telephone | |
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| Charging the battery | |||||
| The battery should be easy to install or replace | |
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| There is an audio and visual indication of battery status | |||||
| There is an audible or tactile response when the charger is connected correctly | |||||
| Peripheral devices | |||||
| There is an infra-red or wireless port | |||||
| There is reduced interference to external hearing technologies | |
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| There is effective wireless coupling for hearing aids | |||||
| Any slot or connection point has a bevelled edge | |
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| Instruction manuals / Documentation | |||||
| Simple, clear concise language is used | |
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| Documents are available in alternate formats | |||||
| Documents are available in alternate modes of delivery | |||||
| The typeface is clear and legible | |
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| Information contained in pictures is also explained in text | |
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Checklist for Displays
Checklist for Keys
Last updated: 19.02.2008 © Copyright reserved
