How to use MRT Pro to edit ROM headmap on Western Digital HDD

How to use MRT Pro to edit ROM headmap on Western Digital HDD

Menu of editing ROM headmap:
Test -> Work with SA ->Work with ROM ->Edit ROM headmap
Application: This function is to correct error headmap data or disable head temporarily to make fault diagnosis easier.
Step-by-step Instruction: Select the heads to be used in headmap setting list.