An Offset value is provided after programming. The rising edge of the gate starts the 
sequence and plays the sequence infinitely until receiving the falling edge of the gate. 
After having received the falling edge of the gate, the sequence is played for a number 
of times specified by the sequence loop count. Then the sequence is stopped at its end. 
Then the last sample value is provided. 
The following segment advancement modes are available: 
  Auto 
  Conditional (Advancement Event) 
  Repeat (Advancement Event) 
  Single (Advancement Event)