Improvement
The DSP firmware update corrects the IC-7100's DTMF tone level.
•A mini-B type USB cable is required.
•You must install the USB driver before connecting the USB cable between the IC-7100 and the PC. Download the USB driver here.
•Thoroughly read "Firmware update instructions (here)" to know what the update requires.
•Save the transceiver's data onto an SD card or to your PC using the CS-7100 cloning software. It is possible that your data could get lost during the update.
•Never turn OFF the transceiver power or disconnect the USB cable during the update.
•The firmware updates DSP I version 1.00 to version 1.01.