Samsung SPH-M520ZSAQST - Manual (Page 273)

Section 4A: Important Safety Information 247
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To ensure that the Hearing Aid Compatibility rating for your phone is maintained, secondary
transmitters such as Bluetooth and WLAN components must be disabled during a call. See
“Turning Bluetooth On and Off” on page XX for instructions to disable these components.
More information about hearing aid compatibility may be found at : www.fcc.gov,
www.fda.gov , and www.accesswireless.org .
Getting the Best Hearing Device Experience With Your Phone
To further minimize interference:
ⅷ Set the phone’s display and keypad backlight settings to ensure the minimum time
interval:
1. Select Menu > Settings > Display > Backlight.
2. Select Slider Up, 30 seconds, 15 seconds, or 8 seconds and press .
3. Select the minimum time settings (8 seconds) and press .
ⅷ Phones with embedded antennas may produce more interference.