1. Press and HOLD the source button till the radio shuts off.
2. Press and hold the FUNCTION button, until display pops up, then release. (If you do not have a function button, then push the AUDIO button.)
3. Press the FUNCTION button again until the clock shows on the display
4. Press the UP and DOWN buttons to adjust the hours.
5. Press the LEFT or RIGHT arrows to move to the minutes.
6. Press the up and down to adjust minutes.
7. When complete, press the source button to exit