It is a variable resistance.
As you turn the volume control from low to high - or press buttons to do the same thing on miniature electronic items like mobile phones and MP3 players - the resistance of the volume control is reduced so that a higher current carrying audio waves can get through to the amplifier and so to the item's loudspeaker or headphones.
Radio Shack sells a in-line volume control for headsets.
Need to know what program you're using to play the dvd, and whether or not that application has its own volume control.
KITt WAS RADIO CONTROL to drive alone
You can use your setting menu or the TV Volume control
Volume Control Light Dimmer Tone Control Bass Control Treble Control Fan Speed Control
Radio Shack sells a in-line volume control for headsets.
use the volume button
You look on the left side of the radio and there is a knob.. That is a volume control....Turn it to the left for lower volume and to the right for higher volume... LOL
The cause of your power doors and locks and radio volume not to work could be a blown fuse. Locate the proper fuse to ensure it has not blown.
Dealer, or salvage yard.
A radio control head is a monitor that allows for two way talking. This type of radio is used in professions such as firefighting and police work.
From new they would have been controls for the radio. Volume, Station, Cd/Radio, etc. I
dim lights, tune in a radio on an analog radio, control heating elements in an electric stove, volume controls.
Push the volume control button in and release. Do this 4 time (i believe) you will be scrolling from bass to treble, fade and then display. When you are on display move the the volume button down to lighten and up to darken.
Radio/CD volume controls. If you press both buttons at the same time it will also mute either the CD or radio. You will also notice a strange knob thing on top of the volume control unit, this is to tune the radio.
The features included in a Motorola portable radio are, AM, FM radio, volume control, mute, hold (to keep from bumping or accidently switching the channel). There is a knob to tune the radio, and on and off button.
Your problem is either a short in the wiring harnes, or defect in the radio itself