AT&T Z221 ユーザーズマニュアル

Your handset is a TTY-compatible device. Simply connect 

the TTY equipment to the headset jack. 
1.   From idle mode, select Menu > Settings > Phone 

> TTY setting.

2.   Select one of the following options and press the  

OK Key for Select.

  •   Full: Users who cannot talk or hear may use 

this setting to send and receive text messages 

through TTY equipment.

  •   Read & talk: Users who can talk, but cannot 

hear, may use this setting to talk through the 

phone and receive responses via text messages.

  •   Write & hear: Users who can hear, but cannot 

talk, may use this setting to listen to the other 

party and respond via text messages.

  •   Off: Users who can hear and speak may use this 

setting to disable TTY support.

This phone supports HAC (Hearing Aid Compatibility) 

function. When you turn on the Hearing Aid Mode and 

use a hearing aid with a telecoil to answer the phone, 

it will help you hear more clearly while speaking on the 

phone. For more detailed information on HAC, please 

refer to Care and Maintenance > Turn on the HAC 

Setting in this user manual.
1.   From idle mode, select Menu > Settings > Phone 

> T-coil setting.

2.   Select On or Off and press the OK Key for Select 

to confirm.

Your Z221 has been tested for hearing aid device 

compatibility and has an M3/T4 rating.
 

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