GP300 2 to 16 chan mod

pugwash · Post by **pugwash** » Wed Oct 31, 2001 8:56 am

Hi all - this is my first post from UK. I have carried out mod to GP_2 file as per batwings site and cloned 16 chan radio into a 2 chan unit (radio is about 3 years old). radio takes the data and is now 16 chan but only works on 2! channels switch 121212 etc.
will i have to change the cpu or can i blow new firmware into it

Josh · Post by **Josh** » Wed Oct 31, 2001 12:27 pm

If you read teh entire page regarding the addition of channels to the GP300 radio, you'd see that some radios cannot be made 16 channel radios because of firmware- these models follow 1212121212 on the channel dial, while radios with 12222 can be changed to 16 channel radios. This changeover occured sometime in 1994. You probably have to buy a new microprocessor or something for it. You might just want to trade it in for an older GP300 from early 1994.
-Josh

pugwash · Post by **pugwash** » Thu Nov 01, 2001 2:27 am

thanks for that Josh. i have a lot of contacts in the radio trade & i am told that it may be possible to mod the radio i have without changing the CPU. i will keep the board informed if i succeed. BTW i have qty 35 radios to mod so trading not really an option

<font size=-1>[ This Message was edited by: pugwash on 2001-11-01 05:30 ]</font>

<font size=-1>[ This Message was edited by: pugwash on 2001-11-01 05:39 ]</font>