Well since I dont have the cable to transfer data from Radio Reference database (radio to computer serial cable) I figured I would try and learn to program this radio manually since I want to use the radio and I would learn something about it. I was able to do the firmware update but it told me I had the latest update anyway. Everything else I programmed manually was easy except for motorola. I still dont have a clear step by step idea how to do it right.
You can use the cable that came with the radio and your computer that has the DB-9 serial port on it. The same setup that you used to check the firmware update with.
Use the front port for this for now until you get the rear port cable. I think you said that computers serial port was on Com 1 so that would be the setting to use in Freescan using the included cable. Just make sure the baud rates match in freescan to the ports speeds in the 15X. Both should be set to the fastest speed for programming.
The Front port must be used for Firmware updates but it can also be used for programming or monitoring with programs like ProScan.
The Rear port was intended for a GPS but with the correct cable, you can use the rear port for programming and monitoring but NOT firmware updates.
There should be a Serial Port menu under the Settings menu where you can set the Baud rate for the front and rear ports individually. You would set them both to the highest speed if you never intend on using a GPS.
If you do this, once you are hooked up, Read your 15X into Freescan and save that file before you start making any changes! I'd save the file twice and just not touch one of them so you can always get it back. Work with the second copy.