Onida ky thunder 21"
Service settings

Sir,

my service settings of onida ky thunder 21" CTV was changed'

so picture clarity and sound clarity is not good. my younger brother pressed display and vsm buttons on the remote panel at a time. then service settings were appeared, and my brother changed all the numerical values of settings . sir kindly mail me the original settings of my tv. requesting you sir, thank you! waiting 4 ur reply