My question is, do we have to maintain consistency in the medd count for medd 'aaridh as-sukoon when connecting with a sakt between al-Anfaal and At-Taubah

Question
Assalaamu 'alaykum,
Jazaak Allaah khayr your efforts in spreading the knowledge of  tajweed. I have a question regarding stopping with a sakt when continuing from the end of surat al-Anfal to surat at-Taubah. You clarified in this response http://www.abouttajweed.com/kb/entry/373/ that there are 15 ways of reading this.
My question is, do we have to maintain consistency in the medd count for medd 'aaridh as-sukoon when connecting with a sakt here? That is, for example, if the reader has been making medd 'aaridh as-sukoon 4 counts in his reading, does he have to maintain that count when stopping with a sakt between the suwar or can he recite this part in any of the 15 ways? Jazaak Allaah khayr for your response.

Answer
Wa alaikum assalaam wa rahmatullahi wa barakatuh,
If you are reading by yourself (not in a student or teaching situation), then it is proper to keep all your medd 'aaridh lis-sukoon consistent in your reading at one particular sitting.
If you are a student and your teacher asks you to read it with different lengths, to see if you understand the application of this matter, that is a different situation and it is required to do as requested so both you and your teacher are sure you mastered the different possible ways of joining these two surahs.
Likewise if you are a teacher and are explaining to your student or class the different ways, you would then read it many times, showing the different possibilities.  This would be just for demonstration.