5
1 - Effect on/off (true bypass)
2 - 1/4 inch mono jack input
3 - 1/4 inch mono jack input (for stereo in)
4 - 1/4 inch mono jack output
5 - 1/4 inch mono jack output (for stereo out)
6 - FX level control
7 - Speed time control
8 - Chorus/TonePrint/Vibrato selector
9 - Depth control
10 - Tone control
11 - Power in (9VDC)
12 - USB connection for exchanging TonePrint
settings and software updates.