What about support for RHR and LTHR, the only option for heart rate zones is %max hr. Wich is not a good option if you have low resting heart rate. Example below with %Max and %HRR.
| %Max | %HRR | ||||
| RH | 0 | RH | 42 | ||
| Zone | Pulse | % | Zone | Pulse | % |
| 1 | 84 | 50,00% | 1 | 105 | 50,00% |
| 2 | 101 | 60,00% | 2 | 118 | 60,00% |
| 3 | 118 | 70,00% | 3 | 130 | 70,00% |
| 4 | 134 | 80,00% | 4 | 143 | 80,00% |
| 5 | 151 | 90,00% | 5 | 155 | 90,00% |
| Max | 168 | 100,00% | Max | 168 | 100,00% |