Roland V-Card VC-1 D-50 Owner's Manual page 64

Tone Parameters
TVF ENV Time
An envelope curve is determined by times and levels.
fig.09-37e(TvfEnvTime)
T1
Key On
fig.09-38(LCD_TvfEnvTime)
T1 (Time 1)
Sets the time needs to reach point 1 from the moment the key is
pressed.
Value: 0–100
T2 (Time 2)
Sets the time needed to reach point 2 from point 1.
Value: 0–100
T3 (Time 3)
Sets the time needed to reach point 3 from point 2.
Value: 0–100
T4 (Time 4)
Sets the time needed to reach point 4 from point 3.
Value: 0–100
T5 (Time 5)
Sets the time needed to reach point 5 from the moment the key is released.
Value: 0–100
64
Point 1
Point 2
Point 3
Point 4
L1 L2 L3 SusL
T2 T3 T4
Point 5
EndL
T5
Key Off