Sequential PROPHET-600 - Amplifier; Lfo-Mod

7. Switch KEYBOARD to OFF. Keyboard tracking is disabled. Return to FULL.
8. Set FILTER ATTACK to 4.
9. As the ENVELOPE AMOUNT knob is raised, each keystroke should cause the filter
frequency to climb then snap back to its initial frequency. Leave ENVELOPE
AMOUNT set to 4.
NOTE: All envelope times have a maximum of nine seconds.
10. Check the ATTACK range. Return to 0.
11. Check DECAY range, which is exhibited by a descending sweep. Return to 0.
12. Observe that raising and lowering SUSTAIN directly controls the filter frequency.
It is normal for this knob to yield five levels. Leave set to 5.
13. Check the RELEASE range. Note that to hear the filter release, the amplifier
release must be set to equal or higher duration.
1-6 AMPLIFIER
1. Switch PRESET off (Manual Mode) and patch according to Figure 1-1.
2. Switch on OSC A SAWTOOTH. The attack time is instantaneous.
3. Turn AMPLIFIER SUSTAIN to 0.
4. Check the ATTACK range. Return to 0.
3. Check the DECAY range. Return to 0.
6. Observe that raising and lowering SUSTAIN directly controls the voice amplitudes.
Leave set to 10.
7. Check the RELEASE range.
1-7 LFO-MOD
1. Switch PRESET off (Manual Mode) and patch according to Figure 1-1.
2. Turn OSC A FREQUENCY to about 4.
3. Turn OSC B FREQUENCY to about 4.
4. Switch on OSC A SAWTOOTH.
5. Switch FREQ A-B on.
TM600A 7/83 1-9