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• TO ENABLE/DISABLE DTMF TONE
The procedure below shows how to enable/disable
DTMF Tone.
STEP 1: While indicating the current time on LCD,
press key to open the Menu screen.
STEP 2: Select Setting (DT730) / Setting
(DT710)
Select an item by either of the following operations.
• Highlight an item by using , and then press ,
or OK soft key.
• Press key (DT730) / (DT710)
STEP 3: Select User Setting.
Select an item by either of the following operations.
• Highlight an item by using , and then press ,
or OK soft key.
• Press key.
STEP 4: Select Talk.
Select an item by either of the following operations.
• Highlight an item by using , and then press ,
or OK soft key.
• Press key.
STEP 5: Select DTMF Tone.
Select an item by either of the following operations.
• Highlight an item by using , and then press ,
or OK soft key.
• Press key.