Roland TD-4 Owner's Manual page 46

Other Settings
Display/Parameter
fig.MaskTime.eps
When using a kick trigger, try to let the beater bounce back and hit the head very quickly, then
raise the "Mask Time" value until there are no more sounds made by the beater rebound.
* When set to a high value, it will be difficult to play very quickly. Set this to as low a value as
you can.
If two or more sounds are being produced when you strike the head just once, then adjust
Retrig Cancel.
Crosstalk Example: If you hit the snare pad and the tom 1 also sounds
Raise the "Xtalk Cancel" for the pad being used for tom 1. The tom 1 pad will be less prone to receive crosstalk from other pads.
* If the value is set too high, and two pads are played simultaneously, the one that is struck less forcefully may not sound. Be careful
and set this parameter to the minimum value required to prevent crosstalk.
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Parameter/Value Explanation
This setting prevents double triggering.
When playing a kick trigger, the beater can bounce back and hit the
head a second time immediately after the intended note—with
acoustic drums sometimes the beater stays against the head—is
Mask Time
causes a single hit to "double trigger" (two sounds instead of one).
0–64 ms
The Mask Time setting helps to prevent this. Once a pad has been
hit, any additional trigger signals occurring within the specified
"Mask Time" (0–64 msec) will be ignored.
Adjust the "Mask Time" value while playing the pad.
This setting cancels "crosstalk," which means that when you play
one pad you hear a sound coming from another pad. This can hap-
pen when two pads are installed on the same stand. In some cases
you can prevent crosstalk by increasing the distance between the
Xtalk Cancel
two mounted pads.
0–80%
In some cases you can prevent crosstalk by increasing the
distance between the two mounted pads.
When a PD-125/105/85, PDX-8, PD-9/8/7, CY series pad, VH-11, or RT-
10S is connected, you can adjust the relation between your playing
Rim Gain velocity (force) on the rim/edge and the resulting volume level.
0–8.0 Higher value allows the rim/edge to produce a loud volume even
when played softly. Lower value will keep the rim/edge producing a
low volume even when played forcefully.
When a PD-125/105/85, PDX-8, or RT-10S is connected, you can ad-
just the sensitivity of the rim response.
Rim Adjust There are some cases that you have a rim sound unexpectedly when
0–8.0 you hit the head strongly. You can improve this situation with de-
creasing the value of "RimShot Adjust." When you set the value too
small, it might be difficult to play the rim sound.
Mask Time
Time
Sound not produced