Found the link for manuals & refguide G70 at GenArr:
http://www.rolandkeyboardclub.com/v/om.php?pagina=4&lang=en

Might be interesting reading even if we don't have
any G70.
Rightclick and "save as" when found the one you desire.

GJ
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Cheers 🥂
GJ
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"Success is not counted by how high you have climbed
but by how many you brought with you." (Wil Rose)