AN LTT ACR CREW OVERSHOT THEIR ALT ON CLB WHEN THE PLTS EITHER MISUNDERSTOOD THEIR ASSIGNMENT OR SIMPLY SET IN THE WRONG NUMBER IN THE ALT REMINDER.

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WHILE CLBING OUT AFTER TKOF FROM THE LANSING ARPT THERE WAS A MISUNDERSTANDING AS TO WHAT ALT TO LEVEL OFF AT. I WAS THE PF (R SEAT) AND THE CAPT ON THIS FLT WAS THE PNF. AS IS THE CASE IN OUR OP; THE PNF HANDLES THE RADIO COMS. THE PROBLEM AROSE WHEN LANSING DEP WAS HANDING US OFF TO CLEVELAND CTR. THE CTLR STATED; 'CONTACT CLEVELAND CTR ON ? FREQ MAINTAIN 8000 FT.' AT THAT MOMENT WE WERE ALREADY PASSING 8500 FT ON OUR WAY TO 9000 FT; THE ALT SET IN OUR 'ALT PRESELECT' BOX ON THE DASHBOARD OF THE PLANE. TO BE HONEST; I DID NOT CATCH WHETHER THE CAPT HAD READ BACK THE ALT PROPERLY WHEN WE WERE GIVEN OUR INITIAL LEVEL OFF ALT AND IF SO IF HE THEN PUT THE PROPER ALT IN THE 'ALT PRESELECT BOX' ON THE ACFT PANEL. WHEN THE PROBLEM WAS DISCOVERED; WE CALLED BACK TO LANSING DEP (NOW ALREADY LEVELING OFF AT 9000 FT) AND ASKED IF HE WANTED US TO DSND BACK DOWN TO 8000 FT OR STAY AT 9000 FT. LANSING DEP SAID THEN TO MAINTAIN 9000 FT AND CONTACT CLEVELAND CTR ON ? FREQ. A COUPLE OF CONTRIBUTING FACTORS IN THIS MISCOM/MISUNDERSTANDING IS THE #1 FACT THAT ON THIS ACFT THE 'ALT PRESELECT BOX' IS ON THE CAPT'S SIDE OF THE PANEL. OUT OF VIEW OF THE FO'S NORMAL SCAN. WHICH I BELIEVE IS A POOR DESIGN FEATURE OF THIS ACFT. #2 THE CREW WAS COMING OFF A CONTINUOUS DUTY OVERNIGHT TRIP WHICH MEANS WE ARRIVED AT THE HOTEL THE NIGHT PRIOR AT APPROX XX45 AND HAD THEN WAKE-UP CALLS FOR OY00 THE NEXT MORNING. IF YOU ARE LUCKY YOU MIGHT GET 5 HRS OF SLEEP. SO FATIGUE COULD HAVE PLAYED A MAJOR ROLE.