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Sounds like a Philips. Had same problem. I used the actual arrow buttons on the monitor itself and while it was scrolling I kept hitting the arrow the opposite direction of the "scrolling" it locked on my PC signal. I can't use the remote or see my surveillance DVR at least I can use my PC. Oh I smacked it real hard the angrier I got! Funny thing it's worked fine for 5 days now. Just Sayin'
Under the menu options, there's Menu Lock. Switch it to "On". It worked
My menu button wasn't working, so to access the menu, I had to hold down
the arrow up button and push the arrow down button till I got to the
Menu Lock Option.
i think the moisture has entered into the keypad sensor where it must have shorted the leads on the keypad board... you should remove the keypad layer and make it dry thoroughly.. i would advise to take it to the service center for curing the keypad asap....if the phone is under warranty you can take it to the customer care
Contact problem more common with any phone. Simply problem, somtimes you have to take a part the phone clean it, dry it to fix that. You can buy a special cleanig solution for wather dammage from ebay if you realy want to fix this alone.
press menu then start mono then arrow up button 4 times.
machine will be in mainténance mode. press the arrow up button until 7 is displayed. press menu. press arrow up til 6 then press menu. press arrow up til 3 Dispaly shows powerp_all press start mono. machine runs a power purge. after that press arrorw up til 0 press menu press arrow up til 9 machine will print test sheet. In case you dont have a good result do the power purge again. If you dont get a good result after 3 times purging, the printhead is clogged and cant be fixed anymore!
to leave the maintenance mode press arrow up til 9 then menu then arrow up til 9.