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XPR XPR3500 MDC Delay

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Jl942264

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All, I recently purchased a XPR 3500 from a friend, and when I programmed my MDC system into it and select post after I take my finger off the PTT button there appears to be a delay from the time my fingers lifted to the time the MDC is transmitted and it is not the usual slight delay that there is it is a noticeably longer delay. Never seen this before, anyone have any insight?
Any help as usual is appreciated!!
 

nhfdcadet

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All, I recently purchased a XPR 3500 from a friend, and when I programmed my MDC system into it and select post after I take my finger off the PTT button there appears to be a delay from the time my fingers lifted to the time the MDC is transmitted and it is not the usual slight delay that there is it is a noticeably longer delay. Never seen this before, anyone have any insight?
Any help as usual is appreciated!!
What is the pretime set for in the MDC system?
 

nhfdcadet

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New Hartford, Ct
UPDATE…… I set it to 0… no more issue… didn’t think of that! Thanks
welcome.
the idea behind the pre-time is mainly to avoid clipping the ID in the beginning of the transmission, as they always tell us, key, wait, talk, same goes with data too, the receiving radio has to open up first in order to receive it, sometimes that takes a bit. but with post-mdc, the receiving radio is already open
 
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