Turn on the Proscan TV. Press the MENU button and keep it pressed while pressing POWER and then Volume +. P00 is displayed and V00. Press Volume + to indicate
V76, then press channel + or - selecting items and volume + or - the
the same level. To exit and save changes, press Proscan TV POWER.
Please note: The item is the frequency P01 horiz. If is too low
active protection, and the Proscan TV is locked