ICOM "IC-7800" Firmware updates v2.2.1
Major points of the Ver.2.21 update. Improved DSP filter shape selection function to work correctly when changing the operation mode. Please save the transceiver’s data contents to a CF card before starting the firmware update. Never cut off power to the transceiver while updating the firmware. Please read through Section 16 (UPDATING THE FIRMWARE) in…
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