If you are talking about the clock on the DVD display then.....
Audio display model
1. Turn the audio unit on by pushing the “PWR”
2. Push the “MENU” button until the display
indicates the clock adjustment mode.
If the “CLOCK OFF” is indicated on the display,
push the “TUNE” button to change the mode
to “CLOCK ON”. Then push the “MENU” button
The time indicator will flash.
3. Push the “SEEK TRACK” button to adjust
Push the “TUNE” button to adjust the
Pushing the , buttons will advance
and , buttons will turn back
4. Push the “MENU” button to finish the