Shimano RD-R8150 Dérailleur arrière Manuel utilisateur

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User questions

Michael I.

How to check the battery level and interpret the indicator lights?

Perform a short press on the function button. A green light indicates 51-100%, flashing green indicates 26-50%, and a red light indicates 1-25%.

Michael I.

How to identify the status during the charging process?

A blue light indicates that charging is in progress, and the light turns off once the charge is complete.

Michael I.

How to change and identify the speed modes?

Double-click the function button to cycle through modes. A solid blue light indicates manual mode, two blue flashes indicate mode S1, and three blue flashes indicate mode S2.

Michael I.

What do the different LED indicator colors and patterns signify?

LED indicators show battery levels (Green: 51-100%, Flashing Green: 26-50%, Red: 1-25%), charging status (Blue: charging, Off: complete, Flashing Red: error), and operating modes (Blue: manual, Flashing 2x/3x: synchronized shifts). A flashing blue light indicates the device is ready for pairing, while a steady red light indicates an error.

Michael I.

How to interpret the LED indicator lights for battery levels and operating modes?

For battery levels, a short press displays green (51%-100%), flashing green (26%-50%), or red (1%-25%). During charging, a blue light indicates progress and turns off when complete. For speed modes, a double-click shows blue for manual mode, two blue flashes for Synchronized Shift 1, and three blue flashes for Synchronized Shift 2.

Michael I.

What do the different LED light colors indicate?

Green indicates battery levels (solid for 51-100%, flashing for 26-50%). Blue indicates charging, manual speed mode, or pairing mode. Red indicates low battery (flashing) or a functional error (solid).

Michael I.

What is the meaning of the various LED indicator lights on the device?

Battery levels are indicated by Green (51-100%), flashing Green (26-50%), Red (1-25%), or Off (0%). Blue indicates charging, manual speed mode, or Bluetooth pairing mode when flashing. Multiple blue flashes indicate specific synchronized shift modes.