1) Line Output - this is a 3 conductor XLR output jack for plugging into Lo-Z microphone inputs as found on PA or recording mixers. It is intended to be used in place or external mics or used as a built in direct box.

2) CD/Tape Input - this 1/4" 3 conductor jack will allow you to plug in a CD player, tape or any other source to practice along with. It sums the left and right signals into a mono signal. To control the volume of the source, adjust the output volume of the device.

3) Guitar Input - this is a 1/4" 2 conductor input jack for plugging in your instrument. It is intended for bass guitar or Hi-Z microphones but will accept other instruments as well.

4) Gain - adjust this clockwise to match the output level of your bass to the preamp input. If your overload LED lights up, you should lower the gain and increase the volume level for the cleanest possible sound.

5) Overload LED - This will indicate an overload on the preamp.

6) Volume - This is the Volume control of the amp. It works in conjunction with the gain control.

7) Notch - this control is a dramatic cut filter. It is "Notched" at a rate of -15db. The width of the notch is set at one octave and can be swept from 45 Hz to 1KHz. It will create a very precise subtraction of undesirable overtones or allow you to fine tune your tone settings.

Equalizer Section - 8-13 are all active with a center detent which is equivilant of bypass for that band. Turning it fully clockwise, the signal is boosted 12db. Turning it counterclockwise, it will be rolled off -12db

8) 63 - Frequency center of 63 Hz. Boost or Cut +/- 12db

9) 150 - Frequency center of 150 Hz. Boost or Cut +/- 12db

10) 350 - Frequency center of 350 Hz. Boost or Cut +/- 12db

11) 800 - Frequency center of 800 Hz. Boost or Cut +/- 12db

12) 2K - Frequency center of 2K Hz. Boost or Cut +/- 12db

13) 5K - Frequency center of 5K Hz. Boost or Cut +/- 12db

14) Effects On/Off - this switch engages the digital effects section.

15) Effects Level - this control adds the digital effects section and mixes it into the main signal buss. Several different effects are available.

16) Program Select - this switch will select any of eight different effects. 4 Chorus, 2 Flanges, 1 Slapback, 1 Delay

17) Jewel Light - this Jewel Light lets you know the Amp is on.

18) Power - this switch turns on and off the AC power to the amp.