Shimano SM-PCE1 Help Manual page 23

Updating firmware
This function is used to update the firmware for each unit.
The firmware is downloaded via the Internet.
*
1.
To start updating the firmware, click [Update firmware] in the main menu screen.
2.
In the unit selection screen, select the unit of which firmware is updated, and then click
[Update].
3.
In the compatibility confirmation screen, check for unit firmware compatibility with the latest
firmware and then click [Next].
For latest firmware compatibility refer to the following manual.
 HM-CC.3.3.0-00.pdf
EACH FUNCTION OF E-TUBE PROJECT
(Unit selection screen)
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