Does the gauge have a volume control? NMP Support Center August 07, 2019 13:01 Updated The gauge does not have a volume adjustment for the alarm. Related articles Why does my gauge keep beeping? What direction should my transducer face when I glue it in? I bought HawkEye In-Dash Depth Finders for my house boat. I put them in the petroleum jelly and tried them there. When i first turn them on i get a reading for about 5 seconds then get --- and thats all. Comments 0 comments Please sign in to leave a comment.