using the magnification setting keysetusing the magnification setting key
at 3:1is setat 3:1
key 100settingkey 100
keys 134a and 134b for setting a copy magnification of an enlargement or a reduction of a copysettingkeys 134a and 134b for setting a copy magnification of an enlargement or a reduction of a copy
from the distance change between the designated position points B and Cresultingfrom the distance change between the designated position points B and C