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DCL:GRPH2:UEPACK: 
Tone Fill Routines: Explanation of Subroutines
 
9.2.7 ueitlv
 
- 1.
- Function
Clears the tone level set by uestlv or uestln.
   
- 2.
- Call
  
call ueitlv 
   
- 3.
- Explanation of Paramters
  
None.
   
- 4.
- Notes
  
- (a)
- This routine must be called when you wish to clear the tone levels 
  previously set by uestlv or uestln and call uetone.