There are many conceivable ways to map 89edo onto the onto the Lumatone keyboard. Only one, however, agrees with the Standard Lumatone mapping for Pythagorean. Due to the size of the edo, this mapping covers less than 2/3rds of the notes.
Diatonic
Note that since 89edo is a schismatic tuning, the best approximation to 5/4 is the diminished fourth.
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75
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76
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17
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29
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59
74
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15
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45
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75
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16
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76
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17
6
21
36
51
66
81
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22
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16
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81
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24
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15
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75
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16
31
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61
76
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35
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80
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21
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66
81
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22
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82
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23
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68
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72
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28
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29
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22
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72
87
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28
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29
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35
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65
80
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66
81
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73
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35
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65
80
57
72
Other Mappings
The smallest mapping that covers the whole gamut is the 4L 7s one. Interestingly, there are two different mappings that fit that criteria, both good.
Myna
The myna mapping is quite lopsided, but is the optimal patent val for the temperament and efficiently gives access to the full 11-limit.
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4
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5
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Orgone
The Orgone mapping focusses on making the 2.7.11 subgroup easy to play, but is extremely efficient at covering that and only a tenth of a cent off the minimax tuning, plus it skips or repeats fewer notes at the edges.
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