DRO 10i E 1-axis DRO for general purpose applications: Innova 10i +info DRO 20i E 2-axis DRO for general purpose applications: Innova 20i +info DRO 30i E DRO for grinders and general purpose applications: Innova 30i +info Characteristic differences between models: 10i E 20i E 30i E Display type LEDs LEDs 5.7" color TFT screen Number of axes 1 2 2 and 3 that may be set by parameter
