I have consulted our club members and despite following the manufacturers procedure my gain setting of 5 is too low. Our other club member with the QHY8 found the same and is now set at 17 for gain. It seems the Offset setup works as there is no light source involved. I was advised to ensure that full saturation occurs as "spokeshave" has mentioned. This was apparently the case when I followed instruction but clearly did not resulting in the correct setting. I may try a brighter light source today.
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