Rapid Fire Modes explanation.
Dual - similar to 'Rapid Fire', but work with dual weapons.
Akimbo - similar to 'Dual'. Pressing RT cause to be LT also be pressed with Rapid Fire.
Jitter YY - similar to 'Rapid Fire', but work only with COD games (exclude MW3). 'Jitter YY' is tuned for the three/four round burst weapons to make them automatic and to make most of semi and fully automatic guns fire even faster. 'Jitter YY' use Y button and as the result toggle weapons sometimes. Usually Jitter work good with speed 20sps.
Jitter XYY - similar to 'Jitter YY', but on most weapons 'Jitter XYY' faster then 'Jitter YY'. 'Jitter XYY' work only with COD games (exclude MW3 and BO2) Usually 'Jitter XYY' work good with 20sps.
Jitter YY Cancel - pressing LT button cancel 'Jitter YY' and RT work normal without Jitter and back to 'Jitter YY' when LT is released.
Jitter XYY Cancel - pressing LT button cancel 'Jitter XYY' and RT work normal without Jitter and back to 'Jitter XYY' when LT is released.
Burst 2 - similar to regular Rapid Fire, but shoot 2 rounds to save ammo. Also 'Burst 2' can turn any automatic weapon into burst weapon.
Burst 3 - similar to regular Rapid Fire, but shoot 3 rounds to save ammo. Also 'Burst 3' can turn any automatic weapon into burst weapon.
Burst 4 - similar to regular Rapid Fire, but shoot 4 rounds to save ammo. Also 'Burst 4' can turn any automatic weapon into burst weapon.
Quick Scope - special made for players who like play with sniper riffles and use quick scope technique. 'Quick Scope' work with right weapons only. Tap LT very quick and it will zoom (scope in) and after pred-defined time it will shoot one time with RT.
Auto Aim - push and hold LT to lock on to the nearest enemy closest to the sight's aim, as long as the target is not too far away. 'Auto Aim' for right weapons only. Target Assist or Aim Assist must be enabled. Go to the game option and check it. This mode does not work online (exclude Black Ops and Black Ops 2 Zombies). Can be used on campaign modes as well as Special Ops and Nazi Zombies.
Quick Aim - pressing RT button cause LT button be pressed too.
Drop Shot Manually - pressing RT button cause B button be pressed too.
RT Drop Shot Manual Cancel - drop feature hard to use when shooting from behind an object as you will be dropped down and just will shoot the object your trying to take cover with. This feature work exactly as 'Drop Shot Manually' but allow to you turn OFF 'Drop Shot Manual' while pressing LT button, so possible shoot from behind cover.
Drop Shot Atomatically - similar to 'Drop Shot Manually', but automatically press B button and allow automatically drop and standup while you pressing and release RT button.
RT Drop Shot Automatic Cancel - similar to 'Drop Shot Manual Cancel'. This feature work exactly as 'Drop Shot Automatically' but allow to you turn OFF 'Drop Shot Automatically' feature while pressing LT button.
Jump Shot - pressing RT button cause A button be pressed too.
Jump Shot Cancel - similar to 'Drop Manual Cancel' or 'Drop Automatical Cancel', but work with 'Jump Shot'. Turn OFF 'Jump Shot' feature while pressing LT button