LinPlug Octopus - Manual (Page 16)

Pan
Each sample slot can have its own pan position. This is set using the slot's
PAN control.
Mix
Each sample slot can have its own mix level. This is set using the slot's MIX
control. The Mix setting determines the samples playback level.
Sampler Amp and Pan
In addition to the above-mentioned controls, there are also two global
controls for the Sampler module. These are the Sampler Amp (Amplitude)
and the Sample Pan (Panorama).
The Sampler Amp (Amplitude) control sets the overall output level for the
combined mix of all currently loaded samples.
The Sampler Pan (Panorama) control sets the overall panning position for
the combined mix of all currently loaded samples.
14 Manual