The group parameters are located at the top left on the remote editor panel. These are parameters that in various ways are directly related to playing style.
To set several groups to the same value, select at least one zone in each group you want to adjust, and adjust the parameter on the front panel.This setting determines the number of keys that you can play simultaneously (the polyphony). The maximum number is 99 and the minimum is 1, in which case the group will be monophonic.Users of other samplers may want to note that the polyphony often means setting the number of voices that should be able to play. The NN-XT is different in this aspect, since the polyphony setting instead determines the number of keys, regardless of how many voices each key plays.The Group Mono button beside the Key Poly section can be used to quickly set a group to play monophonically regardless of the polyphony setting. E.g. if you have a group with open and closed hi hats, you can switch this on so that an open hi hat is automatically muted when you play a closed hi hat.So you can play your open hi-hat repeatedly without the sound cutting itself off. When you play the closed hi-hat, this cuts off the open hi-hat.Note that activating this button is not the same as setting polyphony to 1. E.g., it can not be used for Legato or mono Retrig (see “Legato and Retrig”).For example, if you had a polyphony setting of “4” and you held down a 4 note chord, the next note you played would be Legato. Note, however, that this Legato key will “steal” one of the keys in the 4 note chord, as all the assigned keys were already used up!Retrig is the “normal” setting for playing polyphonic patches. That is, when you press a key without releasing the previous, the envelopes are triggered, like when you release all keys and then press a new one. In monophonic mode, Retrig has an additional function; if you press a key, hold it, press a new key and then release that, the first note is also retriggered.This is used for controlling the rate of LFO 1 if it is used in “Group Rate” mode. In that case, this knob will take precedence over the rate parameter in the LFO 1 section. See “The LFOs” for detailed information about this.This is used for controlling portamento - a parameter that makes the pitch glide between the notes you play, rather than changing the pitch instantly as soon as you hit a key on your keyboard. By turning this knob you set how long it should take for the pitch to glide from one note to the next as you play them.