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Prog 4/8 - tone level adjust, Prog 1/5 - sidetone level adjust mode, Prog 2/6 - alert tone level adjust mode – GAI-Tronics L3149B C200 Advanced Deskset User Manual

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Prog 4/8 - tone level adjust, Prog 1/5 - sidetone level adjust mode, Prog 2/6 - alert tone level adjust mode | GAI-Tronics L3149B C200 Advanced Deskset User Manual | Page 46 / 92 Prog 4/8 - tone level adjust, Prog 1/5 - sidetone level adjust mode, Prog 2/6 - alert tone level adjust mode | GAI-Tronics L3149B C200 Advanced Deskset User Manual | Page 46 / 92