Before buying a used IC-86FX, ask the seller for the manual. Without the Service Manual and the proprietary cloning software, this radio is effectively a "channelized brick" that only receives whatever frequencies the last dealer programmed.
If you’ve recently acquired an ICOM IC-86FX , you are holding a rugged, high-power (6-watt) VHF commercial marine or land mobile radio. However, unlike ICOM’s amateur radio (ham) lineup, the IC-86FX is a professional/commercial transceiver . icom ic-86fx manual
Do you have the specific ICOM part number for your manual? Look on the back of your radio for the FCC ID (AFJIC-86FX) to confirm the exact band split. Before buying a used IC-86FX, ask the seller for the manual