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Output from Q35 has no distinction between closęd hi hat and open hi hat and is given a particular waveshape (decay) at VCA Q22 and IC42 as OPEN/CLOSED select signal is applied on the base of Q21.

SINGLE SOUND PROCESSING

Each of CYMBAŁ voices (RIDE and CRASH) has dedi-cated sound ROM, address counter, D/A converter and envelope generator. The difference from Multiplex Processing in Circuit configuration is that envelope control is accomplished after the wave data becomes analog form. LEVEL/DYNAMICS (ACCENT CV) rounted to Q18 emitter (CRASH) is charged into envelope capacitor C50 on a TRIG, giving a contour to CRASH sound passing through Q14.

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Table 2

TESTING AND ADJUSTING

The built-in test program executes the following test and adjusting routines while in Test Modę.

RUNNING TEST PROGRAM

While holding down CLEAR and INSTRUMENT, switch the power ON. The unit is now in the test modę and the test program initiates test routines with TEST 1.

TEST 1. LED SEOUENTIAL LIGHTING

Upon entering test modę the program lights up LEDs, starting with MAIN KEY 1 through SCALĘ INDICA-TOR, PATTERN GROUP and CARTRIDGE (red and green alternately) and repeats.

Leave the LEDs lighting and go to TEST 2.

TEST 2. ALL LEDs AND LCD DOTS LIGHTING

Press ENTER and verify lighting of all LEDs and LCD dots.

Leave them lit and go to TEST 3.

TEST 3.

SWITCHES AND ACCENT AMOUNT READING

Press ENTER. All LCD display will be cleared OFF. Referring to the illustration below, push numbered buttons 1—32 one by one and check for the lighting of corresponding dot on either Bass Drum (BonGo) or Snare Drum (Hi Conga) row on the display window.

Slide up or down ACCENT and verify that TEMPO MEASURE window reads 1 and 16 at the extremities of travel.

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