beautypg.com

Volume control jumper setting – GAI-Tronics 352-001 UL Class I Division 1 Telephones User Manual

Page 8

Volume control jumper setting | GAI-Tronics 352-001 UL Class I Division 1 Telephones User Manual | Page 8 / 14 Volume control jumper setting | GAI-Tronics 352-001 UL Class I Division 1 Telephones User Manual | Page 8 / 14