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Section 4A: Important Safety Information
Getting the Best Hearing Device Experience With
Your Phone
To further minimize interference:
䢇
There is usually less interference on the microphone setting than the
telecoil setting.
䢇
Set the phone’s Display and Keypad backlight settings to ensure the
minimum time interval:
1.
Press
Menu > Settings > Display > Backlight
.
2.
Select
Main Display
or
Keypad
and press
.
3.
Select the minimum time setting (8 seconds) and press
.
䢇
Use phones with a pull-out antenna. Phones with embedded
antennae may produce more interference.
䢇
Position the phone so the antenna is farthest from your hearing aid.
䢇
Move the phone around to find the point with least interference.
Summary of Contents for A640
Page 2: ...ZD27 04_LMa640_050906_F3 ...
Page 8: ......
Page 23: ...Section 1 Getting Started ...
Page 24: ...2 ...
Page 32: ...10 ...
Page 33: ...Section 2 Your Phone ...
Page 34: ...12 ...
Page 68: ...46 ...
Page 90: ...68 ...
Page 106: ...84 ...
Page 112: ...90 ...
Page 124: ...102 ...
Page 134: ...112 ...
Page 164: ...142 ...
Page 188: ...166 ...
Page 196: ...174 ...
Page 197: ...Section 3 Sprint PCS Service Features ...
Page 198: ...176 ...
Page 216: ...194 ...
Page 244: ...222 ...
Page 245: ...Section 4 Safety and Warranty Information ...
Page 246: ...224 ...
Page 262: ...240 ...