triton dove replacement cartridge

the new cartridge (83308460) has arived with a red felt tip mark on the spindle and body. What do these marks indicate and how do I align the marks when inserting the cartridge i.e. low or high temperature setting?
Asked 7 years ago by Chris
This cartridge just screws into the body and you do not have to bother about the pen marks.

Answered 7 years ago by Barrie Seabright

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