Since the Control Room feature is not available for those of us using Studio 5, is there another way to control the volume of the click? 
The metronome setup might be a place to check 
…
Transport/Metronome setup.
[facepalm] 
This n00b thanks you and will refrain from deleting this entire thread in the off-chance that another beginner will benefit from your helpfulness. I am grateful! 