MDC1200 problem

This forum is for discussions regarding all aspects of Motorola radio programming, including hardware, computers, installation and use of RSS/CPS, firmware upgrades, and troubleshooting. There are subforums for discussions of codeplugs, and also for software/firmware release notes and issues.

Moderator: Queue Moderator

Post Reply
tomljx
New User
Posts: 1
Joined: Mon Aug 15, 2011 6:16 am

MDC1200 problem

Post by tomljx »

Hi:

I come from China.I am designing a device,use MDC1200.Device encodes MDC1200 and GM3688 decode MDC1200. Now,problem is :

1、I did not use Sample module and use CMX469 IC to encode data.But encoded data cannot be decoded by WinMDCD.

2、I use oscillograph to analyse GM338 sent MDC1200 data,find wave is not same as my device sent MDC1200 data.This wave file form GM338 can be decode by WinMDCD.

3、I find wave file's bit and byte synchronization data is not same as your program.

I am sorry ,My English is not good,wish you can understand.
User avatar
HLA
Posts: 2334
Joined: Mon Jul 11, 2005 8:15 pm
What radios do you own?: HT1550's, X9000's, CDM1550's

Re: MDC1200 problem

Post by HLA »

not exactly sure what you're asking but there are other factors that can cause the encode or decode to vary like speed of the packet or if the recieve radio is in scan mode? I've even seen two new radios used and one could not decode the other. Maybe try a different recieve radio with only one channel in it and no scan on
HLA
I never check PM's so don't bother, just email me.
I won't reply to a hotmail, gmail, aol or any other generic free address, if you want me to reply use a real address.
STOP ASKING ME FOR SOFTWARE OR FIRMWARE, I JUST FORWARD ALL OF THE REQUESTS TO THE MODERATORS
Post Reply

Return to “Radio Programming”