Quiet fan mod -Original fan Icom IC-7300 has been replaced with a whisper quiet Noctua NF-A8 / PWM terminals unused.

No noise from the fan anymore.

Yellow wire is +, black is – polarity.

Connector: 2mm JST-XH

Noctua NF-A8 PWM

IC-7300 Setup for running : HRD DM780 (BPSK31), MMSSTV, KG-STV and WSJT-X.

Installing WSJT-X and configuring the software to talk to the Icom IC-7300. Includes information on setting CI-V baud rate, data bits, stop bits, AGC, Noise Blanker, Noise Reducer, and more. Also covers setting sound devices and audio levels.