Date: Wed, 31 Oct 2001 20:29:56 -0800 From: KB8QFL Subject: Standard C-228A Mod 1 Remove Battery and Antenna. 2 Remove the four battery plate screws. 3 Remove the screws from the back of the radio and separate the 2 halves. 4 Solder a diode in the location shown below. 5 Reset the microprocessor.