- If you need clarification, ask it in the comment box above.
- Better answers use proper spelling and grammar.
- Provide details, support with references or personal experience.
Tell us some more! Your answer needs to include more details to help people.You can't post answers that contain an email address.Please enter a valid email address.The email address entered is already associated to an account.Login to postPlease use English characters only.
Tip: The max point reward for answering a question is 15.
um..you wont see the infra red with the naked eye..you can only see it using nite vision style equipment..something that shows in monochrome which is that frequency..if it lights up it is supposed to be working..some need reset to the units in use when the batteries are replaced..use the search mode on it..
Have you got the batteries in the right way round? There is a + and or - sign to indicate which end they should be. Failing that the batteries are defunct. If this is the case put the old ones back in until you get some replacements.
×