Crate Amplifiers GFX-20 owner manual 11* 12

GFX-20 Amplifier

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9:DSP MODE: Select the type of digital effect(s) desired with this control. Each cat- egory and its central location is called out (delay, flange, etc.) by the markings around the control, with variations, as follows:

•Bypass (DSP off)

•Slapback delay

•Long delay w/regeneration

•Flange

•Slow Chorus

•Fast Chorus

•Chorus w/small room reverb

•Small room reverb

•Large room reverb

10:HEADPHONES: For private practice sessions, plug a pair of stereo headphones into this jack. The internal speaker is discon- nected whenever headphones are being used.

11:EXTERNAL SPEAKER*: You may con- nect the GFX-20 to an external speaker with a rated impedance of at least 4 ohms using this jack. The internal speaker is disconnect- ed whenever an external speaker is used.

12:ON LED: The word “ON” will glow when you turn on the GFX-20, showing you that the amplifier is activated and ready to play.

13:POWER: This heavy-duty rocker-type switch is used to turn the amplifier ON in the left position, off in the right position. The ON LED (#12) works with this switch as a visual indicator.

14:POWER CORD: (Rear panel, not shown: This heavy-duty, grounded, three- wire power cord is to be plugged into ONLY a safely-wired, grounded 120 volt, 60 cycle AC power outlet. DO NOT attempt to defeat the ground connection of this cable! If your GFX-20 was purchased outside the United States, see the unit’s rear panel for its power rating and follow the above guidelines.

*WARNING:

DO NOT attempt to use headphones in the Speaker jack! Permanent hearing damage could result!