To do the zigzag you have 3 options according to the book:
Mode 1(default when you first turn machine on) - #08 (or push the 8 on the right front panel)
Mode 2 - #08-09
Mode 3 - #02
Thread Tension: 3-7 - I have mine set at 4
Pressure foot: zigzag
Foot Pressure: 3
If you need more help then PM me.