Please refer to the links for instructions on requesting an MMSI “user reset” code from Icom Japan (HC).
To receive the code, send an email to MMSI-reset-request@icom.co.jp with the model name and serial number as shown in the attached manual. An activation code will then be emailed to you.
Note: The USA version radio uses MMSI code only, and does not use ATIS code.
ATIS procedure applies only to the German (FRG) and the Netherlands (NLD/HOL) versions.
IC-M510/IC-M510EURO：
https://www.icomjapan.com/support/manual/4581/
IC-M94D/IC-M94DE：
https://www.icomjapan.com/support/manual/4582/
IC-M330/IC-M330G/IC-M330GE：
https://www.icomjapan.com/support/manual/4583/
IC-M410BB/IC-M510BB：
https://www.icomjapan.com/support/manual/4585/
IC-M605/IC-M605EURO：