ISP Technologies THETA PRE AMP PEDAL - Manual (Page 3)

THETA PREAMP PEDAL CONTROLS
The upper row of controls are for the clean preamplifier. The last control in that row
adjusts the threshold of the Decimator G-String Noise reduction.
The lower row of controls are for the Distortion Circuit. Three footswitches are provided
with the first footswitch allows the player to select Gain1 or Gain2 in the Distortion
section. The second footswitch switches ON and OFF the clean channel preamplifier.
The third footswitch switches ON and OFF the Distortion channel of the THETA pedal.
THETA PREAMP PEDAL REAR PANEL
The rear panel has 4 ¼ inch phone jacks with one for the guitar input, one for the final
output signal and two remote jacks which allow the THETA preamp pedal to be switched
remotely by switch closure (pull to ground) or with relay functions under MIDI control.
The PRE / DIST jack allows remote control switching ON and OFF the Clean Preamp by
swithing to ground the TIP connection of the ¼ inch jack. The Distort section is remotely
controlled by switching to ground the RING connection of the ¼ inch jack. The G1 / G2
jack allows remote control switching between the GAIN1 and GAIN2 front panel control of
the DISTORT section of the THETA pedal. The Power Jack is connected to the supplied
9VAC power adaptor. The THETA pedal internally converts the 9 volt AC signal from the