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Motorola Satellite Box - IR Codes

Discussion in 'General Electronics' started by David M, Feb 26, 2005.

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  1. David M

    David M Guest


    I'm building an IR remote control box. One of the devices it must
    control is a Motorola DTH335 satellite box.

    I have taken a look at the codes the supplied remote sends - using a
    universal IR capture box. These appear to be sent at 38KHz and use
    the NEC protocol (except it's modified in that the second address bit
    does not seem to be the inverse of the first).

    However the Motorola box is having trouble receiving these codes

    My new control also has codes to control a Panasonic TV (using the
    Panasonic protocol) and this works fine - every time.

    It's just the Motorola box that is fickle - has anyone got any clues
    as to what could be going on.


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