This is for programing the icom IC400pro and IC-F221
for you that dont know the 400pro adj and programing software also works for the ICOM IC-F221
After installing the software When you start the software go to
help then go to about CS-400 #11, then type in this word RESERVE
you will open a hiddin menu, Just type it in even tho there is no
were to type it just do it when you have it will show you a popup
warning you, then you will see a Marker Reserved menu under Common
menu.
Sorry i had this written down and i only came across it on a CD i put it on along time back when i had a 400 pro
here is a few pics to help you
Step 1Goto Help then click on About CS-400PRO #11
Step 2just type in the word reserve
Step 3if you did it right you will see this warning
Step 4you can see on the left under common a Box and wording that says Marker reserve also high lighted down the bottom right side the word
******Marker reserved******Step 5here you can see the contence of the hidden menu
Now please make a backup of the config or at lest type down all the settings so you dont F**k it up.