Akai CFTD2083 20 in. TV/VCR/DVD Combo "locked chanels" Questions

...chanels it keeps going same with volume i have cable but i like to record thing and it is a pain in the but go to setup and set time it just keep going by the numbers Maybe the push buttons are ...

cannt get tv to change chanel i have the akai kco1-b2 and i can get it to come on but it wont go off no signal and whn i get it off that screen which is blue it goes tothe video menu with contrast as ...

...LOCKED SOMETHING LIKE THAT . WHAT I NEED TO KNOW IS HOW DO I FIX IT? ALSO WHAT IS A V CHIP? The V chip is a parental locking device to keep the children off of the naughty chanels(lets you lock the ...