Aastra Dialog 4223 Support Question
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Question posted by bnamar on April 16th, 2020
Reset The Display Contrast.
reset the display contrast. I have by mistake clear the screen.
Current Answers
Answer #1: Posted by techyagent on April 16th, 2020 7:48 AM
To adjust display contrast please check the page number 115.
Please click the link below:-
https://its.ucsc.edu/telephone/docs/digital-telephone-manual.pdf
Thanks
Techygirl
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