Crate Amplifiers GT-80D owner manual About the Digital Sound Processor, Using the Mode Control

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GT-80DQuadraDrivetm

ABOUT THE DIGITAL SOUND PROCESSOR:

Using the Mode Control

The Digital Sound Processor’s 32 position Mode control allows you to instantly access the exact type of effect you want - from classic reverberation to radical “backwards” sounds - for any of the preamp or channel settings. The diagram below illustrates where each “family” of effects is located. Use this diagram along with the table on the facing page to familiarize yourself with the locations of the many different sound effects possible from your GT-80D.

12–15 16–18

SPECIAL DELAYS REVERBS

5–11

LARGE

AREA

REVERBS

1–4

SMALL AREA

REVERBS

0=BYPASS

19–27

DELAYS

WITH

REGEN (ECHO)

28–31

SPECIAL EFFECTS

The setting of the Mode Control will determine the type of effect for whichever preamp/channel combination the amp is set to at the time you adjust the Mode control. Once set, the GT-80D’s non-volatile memory retains the setting until you reset it.

Example: Plug in your guitar and turn on the amplifier. Set Channel Select to Clean, Tube/Solid State Select to Tube. Now set the Mode Control to “12” (medium gated reverb). Strike a chord on your guitar and listen to the sound of the effect. Press in the Channel Select switch to choose the Overdrive Channel, then set the Mode Control to 26 (large hard surface echo). Strike a chord and listen to the results. Now press Select again to get back to the Clean Channel and strike a chord - even though you haven’t changed the setting of the Mode Control, the amplifier “remembered” that you had programmed in setting “12” and kept the effect as you left it.

There’s more: When a Reverb footswitch is used, you can program each of the four channel/preamp combi- nations with two Mode settings. If you want to control reverb on/off with the footswitch, for example, set the Mode to “0” (bypass), hit the footswitch and set Mode to “5” (large bright hall). Now you have the ability to switch the reverb on and off with the footswitch.

With the footswitch you have a choice of two reverb settings for each of the four preamp/channel combina- tions, for the most flexibility and versatility possible!

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Contents QuadraDrivetm GT-80DQuadraDrivetm CongratulationsFeatures Overview About the GT-80DGT-80D Front Panel Overdrive GainsOverdrive Channel GT-80D Front Panel CON’T Please refer to the illustration onGT-80D Rear Panel Using the Mode Control About the Digital Sound ProcessorTable of Settings What is reverb, anyway? Semi- Technical DescriptionBlock Diagrams Earlyreverb Relectionstail PRE Delay Reverb Decay TimeSome Suggested Settings Sparkling Clean Funky CleanWarm Tube Bluesy DirtWarm Tube Crunch HOT Tube Lead Solid State Lead Solid State CrunchSystem Block Diagram GT-80DQuadraDrivetm Technical Specifications