*** apps/settings.c~	Wed Oct  1 13:40:07 2003
--- apps/settings.c	Wed Oct  1 13:50:56 2003
***************
*** 803,808 ****
--- 803,814 ----
  {
      int num = atoi(value);
  
+     if ( type == SOUND_VOLUME ) {
+ 	/* +10 means: increase with 10%, -10 means: decrease with 10%. */
+ 	if ( *value == '+' || num < 0 )
+ 	    num = *setting * (100 + num ) / 100;
+     }
+ 	
      num = mpeg_phys2val(type, num);
  
      if ((num > mpeg_sound_max(type)) ||
*** docs/CUSTOM_CFG_FORMAT~	Wed Oct  1 13:40:07 2003
--- docs/CUSTOM_CFG_FORMAT	Wed Oct  1 13:51:57 2003
***************
*** 14,20 ****
  
  Settings (allowed values) [unit]
  --------------------------------
! volume                 (0 - 100)
  bass                   (-15 - 15)
  treble                 (-15 - 15)
  balance                (-100 - 100)
--- 14,20 ----
  
  Settings (allowed values) [unit]
  --------------------------------
! volume                 (0 - 100; +num, -num for percent incr/decrement)
  bass                   (-15 - 15)
  treble                 (-15 - 15)
  balance                (-100 - 100)