Steinberg HALION4 Mode D'emploi page 183

Restricting Movement
By default, you can click anywhere in the pan area and drag the mouse to move the
sound source. If you want the positioning handle to jump to a specific position, you
can click once at that position.
However, you can also limit movement to a specific direction, using the corresponding
modifier keys. That way you can scale down your movements, or have the surround
source move along a certain axis.
The following modes are available:
Modifier key(s)
-
[Shift]
[Ctrl]/[Command]
[Ctrl]/[Command]-[Shift]
[Alt]/[Option]
[Alt]/[Option]-[Shift]
[Shift]-[Ctrl]/[Command]-
[Alt]/[Option]
Left / Right
Adjusts the horizontal (X) position of the audio signal.
Front / Rear
Adjusts the depth (Y) position of the audio signal.
Width
Controls the width of the stereo input signal from 0% (mono) over 100 % (Stereo) to
141.4 % (Expanded Stereo).
LFE
This parameter controls the level of the Low Frequency Effects channel.
Rotate
Rotates the source channels around the positioning handle. All input channels circle
around the handle (without moving beyond the borders of the surround field).
Orbit Center
Use this parameter if you want to rotate the complete signal around the center of the
surround field.
Radius
Changes the distance of the signal from the orbit center. By default, the radius is set
to 100%, but you can lower it to get closer to the center or increase it to orbit on a
larger circle.
Center Distribution
The Center Distribution control is used to distribute part or all of the signal to the left
and right front speakers. This can be used to widen the center signal. At 100 % the
center source is provided entirely by the phantom image created by the left and right
speakers. This can be useful if you want to rotate the surround signal without using
the center speaker at all, for example.
Description
Standard mode, no restrictions apply.
Mouse movements are scaled to allow very fine
movements. This is useful when panning in the
miniature display in the mixer channel, for example.
Horizontal movements only.
Vertical movements only.
Diagonal movement only (bottom left to top right).
Diagonal movement only (bottom right to top left).
In this mode the mouse pointer immediately jumps to
the positioning handle even if it's located outside the
pan area.
183
Effects Reference
Panner and Routing Effects