how to disable HR

[drawi]

Hi,
I’ve just moved from Ambit 1 to S9Baro… To get an accurate HR analysis I’ve also purchased the suunto HR belt.
My question is:
How can I (permanently) disable the optical heart rate sensor as is non usable and only?

[sartoric]

Please use the search function before opening a new thread.
https://forum.suunto.com/search?term=disable HR&in=titlesposts

This has been already discussed several times.
Closing to avoid duplicates