[Supported model]
adviceLUNA, adviceLUNA2
[Scope of application]
microVIEW-PLUS
[Error message]
Error No.972: Not allowed to delete when Refresh Timer is checked on.
[Workaround]
Stop the timer update, and then delete the symbol registered in the watch.
[Cause]
This error message appears if the symbol registered in the watch is deleted when updating the timer.