ST CH Effect Loops | VocoPro PA-PRO 900 specs

Front Panel Features

18.ECHO DELAY – This control is used to adjust the length of time between each echo repetition. When set to minimum, the echo repetitions will occur rapidly, with little to no time between them. As this control is turned clockwise, the time between each repetition will increase.

19.DSP ON/OFF – Use this control to quickly enable or disable all DSP effects. This can be used to switch to a “dry” signal for DJ or speaker announcements. When the announcements are over, hit the button again to reapply the effects. When the button is in the OUT position, all DSP effects are off; when the button is in the IN position, all DSP effects are on.

20.REVERB LEVEL - This control adjusts the overall level of the reverb effect. Use this control to adjust the amount of REVERB applied when adjusting the master effect level control. To increase reverb, turn the control clockwise. To decrease reverb, turn the control counter-clockwise.

21.HISS FILTER – Thue control is used to reduce the amount of sibilance in the vocals while using DSP echo with repeat. As the control is turned clockwise, less sibilance will occur during each echo repitition.

NOTE: This feature only works when DSP repeat is applied.

22.MASTER EFFECT LEVEL – This control is used to adjust the overall level of all the effects combined. Use this control after you have already made individual adjustments to the reverb, echo and hiss ﬁ lter controls. If you ﬁ nd that you applied too much or too little DSP effects and need to quickly make an adjustment to all the channels, use this control.

Note: There are two other locations to adjust the amount

of DSP that goes into the mix: The DSP controls on the EQ panel, and the DSP controls on the channel strips.

23.FOOT SW. – This input jack is for connecting an

external footswitch that can be used to enable or disable DSP effects. The DSP ON/OFF button needs to be in the ON position to use the footswitch. Any single-button footswitch with a ¼” TRS plug can be connected and used.

24.ST CH EFFECT LOOPS

These ¼” insert jacks are for connecting external effects devices such as digital key controllers, equalizers, and sonic enhancers. With an insert jack, a signal can leave the jack to an external processor, and return post-processed via the same insert jack. A special insert cable is required, see your effects processor manual to determine what type of cable to use. Effect integration via the effect loop jacks is only available to signals from CH-5-8. If a stereo device is connected to CH. 5/6 or 7/8, you need to make an insert connection for each channel (L/R). Note that the loop jacks are sent before the signal hits the on-board EQs, so keep that in mind if you are using the insert jacks to integrate an external EQ.

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