Huvitz Excelon XD Operator's Manual page 73

• The new lens must located in the old lens to start edging process. If interference
occurs, error message is displayed and edging process stopped.
• The above procedure only applies when you use frame reader and manual
blocker.
• If you use automatic blocker, just turn on frame change option. (You don‟t need
to register frame change lens)
Excelon XD Operator's Manual
73