Setting Volume Amplify

1
Press Menu, 1, 4, 5.
2
Do one of the following.
• 
If none of the users are hearing-impaired, press Bsymbol.utri or Bsymbol.dtri to select Off, and then press OK and go to step 4.
• 
If some or all of the users are hearing-impaired, press Bsymbol.utri or Bsymbol.dtri to select On, and then press OK.
3
Do one of the following.
• 
If all the users are hearing-impaired, press Bsymbol.utri or Bsymbol.dtri to select Permanent, and then press OK.
• 
If only some of the users are hearing-impaired, select Temporary, and then press OK.
4
Press Stop/Exit.