Use this form if the comment contains offensive or otherwise inappropriate content. An email message will be sent to our moderators who will take appropriate action if necessary.

Write your message to the moderator below:

(Enter the numbers exactly as they appear to the left)

Comment text appears below:
The gain and off set on my projector benq a w1070 goes from 0 to 200. All default d to 100. Which is in the centre. Can I assume in the article the settings go from minus 10 to plus 10. 0 being centre. If so can I also assum 3 will be equal to 30 and minus 3 will be equal to minus 30??