Sorry for me it dark Forest
I can't do it

my language is not well for understanding everything small thing by theme, i am not want to kill my videocard by my stupid hands and head
Please if you have opportunity to make things right ,please help
i want put voltade from slider AB (my videocad Part Number: 06G-P4-4992-KR
Part Desc: EVGA GeForce GTX 980 Ti Superclocked)
in default i want 1100mhz-1.193v or lower 1.187
and then from AB use Core Voltage put 1.255 or 1.287v-on future and push 1600mhz -you can do it in AB voltage slider will be work?
Thank you very much for you help and advices, please help