That is simple just follow the instructions and do it your self See the top and bottom of any digest Bob KOVACH Sent from my iPhone Chief Engineer Bob Kovach (KJ4UGE) Onboard M/Y ALLEZ! (MT50) Lying Cockrell Creek Reedville VA Gold Looper 5-2-2016 MTOA2631, USCG-CWOA, WRCC, AGLCA