I am trying to keyload an MCS2000 remote head radio , when connected the radio displays "keyloading" , okay pressed the PTT on the loader , the loader shows "fail " ....... i have seen this on remote head spectra's , if the head is placed on the radio , this doesn't occur on spectra .
Do you need a special cable between the radio and the head , or is it just me making a mistake ?
Kind regards ,
Will

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