Yes it is turned to top volume, and it does reduce volume if turned the other way.
One problem fixed. I set up my nce power cab system and it programmed the brake sound successfully. Digitrax failed again.
A thought about the sound: It may be able to be reset by someone with a Legacy system. Don't know for sure, just a theory. Or maybe the speaker is bad.
I would guess the Lionel electronics are somewhat of a power hog. I've been able to run and program three of these things in consist with no problems with my MRC Prodigy 2 system and 10 amp booster.
Power Cab fixed the problem with cv54 that Digitrax couldn't program. Rusty, are you using the mrc 10a system for consisting and running sd70s successfully?