You need the original remote.
Turn the unit on
All the following is on the original remote:
press SHIFT & CLOCK
time blinks
press SHIFT & ADJUST
hours blink
pressthe double arrows also called -PRESET+ to set hours
press SHIFT & ADJUST
minutes blink
pressthe double arrows also called -PRESET+ to set minutes
press SHIFT & ADJUST
clock resumes normal operation
bill roberts, January 2008