How to Format a USB Drive as FAT32
Quasar Science RR-R2 series of fixtures can be updated with a USB thumbdrive but it needs to be the FAT32 format. NTFS and ExFAT are not compatible with the USB driver in the RR-R2 fixtures.
As Microsoft evolves their Windows OS, it has become increasingly difficult for some to format a USB drive with the older FAT32 format.
Option 1: Format with Disk Utility on MacOS. It will allow FAT32 and is the easiest option if you have a Macbook available to you.
On MacOS press Command + Spacebar on the keyboard. (Opens up the Spotlight Search)
Type: Disk Utility and press ENTER to open
Select your USB drive in the left-hand list. Then click ERASE in the top right bar
The default format should be FAT32
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Option 2: Use Windows OS and Format USB flash drive/pen drive with CMD (Command Prompt)
Open the Start Menu and type cmd in windows search, then right-click on it and click run as administrator
In the Command Prompt window type the command: diskpart
Press Enter to launch the DiskPart utility
Next, to show all available drives type: list disk
This will list all the Disks by # (i.e. 0, 1, 2 etc). Be sure you see your USB drive and note the Disk #.. If your USB drive is, for example, Disk 3.. you will use this with the SELECT command.
Now type: Select Disk # (where # = the number of your Disk from List Disk)
Now that your USB drive is selected, type: format fs=fat32
If you need to assign a drive letter, type: assign letter=h
Replace "h" with the drive letter you desire. They cannot overlap and each drive needs a unique drive letter.
type Exit and close out of the utility.
You should now see the dive in Windows Explorer and can place the firmware update files in the root directory.