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To configure the tone for the selected mode, click Tone Selection. The
ADSL Tone Settings page displays upstream and downstream tones which
you can choose to clear or select. Then click Apply to save the new tone
settings. Otherwise, click Close to abort the change.
Click Save/Apply to take effect the settings.
NOTE: These tones allow your ISP to perform DSL line testing. Running
these tests may interfere with your DSL service.
