DRO 10i 1-axis DRO for general purpose applications: Innova 10i +info DRO 20i 2-axis DRO for general purpose applications: Innova 20i +info DRO 40i DRO for grinders and general purpose applications: Innova 40i +info Characteristic differences between models: 10i 20i 40i Display type LEDs LEDs 5.7" color TFT screen Number of axes 1 2 2 and 3 that may be set by parameter
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