Yamaha PortaTone PSR-550 Owner's Manual page 149

2BAND EQ(STEREO) (variation block)
No. Parameter Display
1 EQ Low Frequency 50Hz-2.0kHz
2 EQ Low Gain -12-+12dB
3 EQ High Frequency 500Hz-16.0kHz
4 EQ High Gain -12-+12dB
5
6
7
8
9
10
11
12
13
14
15
16
AUTO WAH (variation block)
No. Parameter Display
1 LFO Frequency 0.00Hz-39.7Hz
2 LFO Depth 0-127
3 Cutoff Frequency Offset 0-127
4 Resonance 1.0-12.0
5
6 EQ Low Frequency 50Hz-2.0kHz
7 EQ Low Gain -12-+12dB
8 EQ High Frequency 500Hz-16.0kHz
9 EQ High Gain -12-+12dB
10 Dry/Wet D63>W - D=W - D<W63
11
12
13
14
15
16
NO EFFECT (reverb, chorus, variation block), THRU (variation block)
No. Parameter Display
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Value See Table Control
8-40 table#3
52-76
28-58 table#3
52-76
Value See Table Control
0-127 table#1
0-127
0-127
10-120
8-40 table#3
52-76
28-58 table#3
52-76
1-127
Value See Table Control
MIDI Data Format
149