User manual

67
Accessibility
• Invert Colors: Turn color inversion On/Off.
• Backlight: Turn the Backlight On/Off.
• Large Text: Turn Large Text On/Off.
• Captions: Turn Captions On/Off.
• Readout: The Readout function reads the labels of interface elements and
provides a sound response.
• Mono Audio: Turn Mono Audio On/Off.
• Volume Balance: Adjust the Volume Balance.
• Keypad Vibration: Turn Keypad Vibration On/Off.
• TTY: Select from the following options; Off, Full, VCO, or HCO.
• Hearing Aid Compatibility (HAC): Hearing Aid Compatibility (HAC) can
be used by people with hearing or speech impairments. After connecting
the phone and hearing aid device, calls are linked to a relay service which
converts incoming speech to text for the person using the hearing aid and
converts outgoing text to a spoken voice for the person on the other end of
the conversation.
• RTT: Real-Time Text can be used by people with hearing or speech
impairments to communicate via text while on a voice call. You can set RTT
visibility to be Visible during calls or Always visible.