help needed with cancer games big bars & 7s

[mictas]

Hi all 1st time here thank you for allowing me to join
I am in need of some help with the volume in this machine as in how do or can I turn it down
Thank you for any info
I currently own
Big bars & 7s (concept games )
Big banker (jpm)
Monopoly 60th (jpm)
Pga tour golf video machine (maygay)

[buzzer]

unfamilier with the machine, what board does it use?