CATEYE PADRONE SMART +
Start measurement
Switching measurement data display
Simple navigation function
Lap function
Auto lap function
Countdown function
Target altitude difference
Smartphone
This function displays the difference between specified altitude and the current altitude.
* The target altitude can be set by tapping 
(MENU) > [Device] > [PADRONE SMART+] > [Target Altitude].
* To display the target altitude difference on the measurement screen, it is necessary to select functions (measurement data) by tapping (MENU) > [Device] > [PADRONE SMART+] > [Display Customization].
Auto pause function
Power-saving mode
Button lock function
If you have power sensors
If you have a Shimano DI2 system