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Knowledge Base:  
Quick Guide to Reading and Writing the FTM-400 Radio

Last Updated: 07/15/2016
Follow these exact steps from beginning to end to get data from or send data to the FTM-400 radio.

You must get data from the radio before you can send data to the radio the first time. This gets background information from the radio that you can change in the radio only with a screwdriver and soldering iron... not what you can change from the face of the radio (so it does not matter if the radio is programmed with memories or not... this step is necessary for the radio to "spill the beans" about it's underlying configuration). You only need to get data from the radio on a given computer unless you uninstall and reinstall the program. If you make changes in the field via the buttons on the radio, you are free to get data from the radio again to get those new settings for the programmer to use.

Yaesu radios have worked this way for 21 years. This one works the same way the others do... just through different equipment for connecting the radio to the computer.



READING THE RADIO

1. Put the microSD card into the radio

2. Turn the radio on and press and hold the [DISP/SET] key for 1 second.

3. On the radio's display, touch SD Card > Backup > Write to SD card > All. Wait for the process to complete (the radio will indicate when it's done)

4. Take the SD card out of the radio.

5. Put the SD card into the USB adapter, then connect the USB adapter to your computer. It is important that you remove the whole USB adapter from your computer when attaching or removing the SD card - this helps your computer to recognize the card properly.

6. Open the RT Systems programming software. Open a new file by clicking File > New. If you're presented with a list of radio models select the FTM-400 and click OK.

7. Click Transfer data > Read data from SD card.

8. A new window will open. Near the top of this window you'll see a box labeled "Look in". If this box DOES NOT say "CLONE", you're not looking in the correct directory. If this box DOES say "CLONE", you're looking in the correct directory and can skip to step 11

9. Click the "Look in" box, and you'll see a large drop-down menu. You're looking for the SD card - usually this will be labeled "Removable disc", but depending on your setup it may rarely have a different name like "SDHC". When you find the SD card entry, click on it.

10. In the main part of the window, you'll see a number of folders. Double click on the folders in this order: FTM400D > BACKUP > CLONE

11. At this time, you should see a file in the main part of the window named CLNFTM400D.dat. Double click on it. Ignore the "File Name" box that also contains the CLNFTM400D.dat text.

12. If you've done any programming directly on the radio, you will see it appear in the spreadsheet at this time. If you have not done any programming directly on the radio, the spreadsheet will not appear to change. Either way, this is fine.



WRITING THE RADIO

1. Open the RT Systems programmer, and make sure the active file is what you'd like to send to the radio.

2. If it's not already attached to your computer, put the SD card into the USB adapter, then connect the USB adapter to your computer. It is important that you remove the whole USB adapter from your computer when attaching or removing the SD card - this helps your computer to recognize the card properly.

3. In the programming software, click Transfer data > Write data to SD card.

4. A new window will open. Near the top of this window you'll see a box labeled "Save in". If this box DOES NOT say "CLONE", you're not looking in the correct directory. If this box DOES say "CLONE", you're looking in the correct directory and can skip to step 7

5. Click the "Save in" box, and you'll see a large drop-down menu. You're looking for the SD card - usually this will be labeled "Removable disc", but depending on your setup it may rarely have a different name like "SDHC". When you find the SD card entry, click on it.

6. In the main part of the window, you'll see a number of folders. Double click on the folders in this order: FTM400D > BACKUP > CLONE

7. At this time, you should see a file in the main part of the window named CLNFTM400D.dat - ignore the "File Name" box that also contains this text. Click the "Save" button. You'll get a prompt about replacing the file - click Yes.

7a. If you get a lengthy error message starting with the text "You are not saving the file to an SD card", then you have not properly selected the SD card. Go back to step 3 and try the process again.

8. Wait at least 5 seconds or so, then it should be safe to remove the USB adapter from your computer.

9. Remove the microSD card from the adapter and connect it to your radio. Turn the radio on.

10. Press and hold the DISP/SET key for 1 second.

11. On the radio's display, touch SD Card > Backup > Read from SD card (press this twice) > All. Wait for the process to complete (the radio will restart when it's done).

12. You may need to put the radio into memory mode in order to access the frequencies you've programmed to it. Touch the V/M button on the radio's display to toggle the radio between VFO and Memory modes.


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