You certainly did fail mm, AJM knows how to Factory Reset, the next bit (from the missing p.10) is >>
After you have done your Factory Reset as you mentioned, from the missing page is how to >>
CUSTOMER KEYCODE PROGRAMMING
1. Enter [OLD 4 DIGIT KEYCODE]
2. Enter [9 9 9 9 ] ........... All L.E.Ds illuminated
3. Enter [ NEW 4 DIGIT KEYCODE ]
4. Enter [ ON ] ............ New keycode stored in memory
acorn
November 2011