control pannel locked

[nitin10]

Hello!
i have samtron 56 v monitor and i want to adjust contrast. but, whenever i hit menu button, it shows me following message: control lock locked plz tell me how to unlock it the (CONTROL LOCK) Monitor?

thank you.

[jts1957]

Do a search of this forum for 'Samtron 56 v.'

25 threads already, I'm sure you are not the first one with this problem.
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