# Amiga/PCM sound source instrument editor The PCM instrument editor consists of a sample selector and several macros: # Amiga/sample - **Initial sample**: specifies which sample should be assigned to the instrument, or the first one in the sequence # Macros - **Volume**: volume sequence. _warning:_ it works only on Amiga system, as of version 0.5.5! - **Arpeggio**: pitch sequence - **Waveform**: sample sequence - **Panning (left)**: output level for left channel - **Panning (right)**: output level for right channel - **Pitch**: fine pitch - **Phase Reset**: trigger restart of waveform