Installing a KTCXO3-1

Mel Farrer, K6KBE
 

On getting ready to install the unit, it mentions the rectangular pad to be installed under the Xtal module.  No pictures to show that and the only thing in the package was a black thick rectangular block.  It is not what I would call a "pad".  What am I missing?  Thanks.

Mel, K6KBE

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