Instruction Manual
HMa, HMa-941, HMa/EO1, HMa/E01-B2, HMa/E02, HMa/E06, HMA/E07-941, HMa/X
LECTROSONICS, INC.
16
Firmware Update
Updating the firmware is a simple matter of download-
ing a utility program and file from the website and 
running the program on a Windows operating system 
with the transmitter connected to a computer via the 
USB port. 
Go to www.lectrosonics.com. In the top menu, hover 
the mouse over Support, and click on Wireless Support.  
On the right-hand-side Wireless Support Menu, choose 
Wireless Downloads. Choose your product (HMa), then 
choose Firmware Updates.
Step 1:
Begin by downloading the USB Firmware Updater 
Program.
Step 2: 
Next, test the Updater by opening the icon:   If the 
driver opens automatically, proceed to Step 3.
WARNING: If you receive the following error, the 
Updater is not installed on your system. Follow the 
TROUBLESHOOTING steps to fix the error.
TROUBLESHOOTING:
If you 
receive the 
FTDI D2XX 
error 
shown 
above, 
download 
and install 
the driver 
by clicking 
on this link.
Then click here to download. 
NOTE: This website, http://www.ftdichip.com/
Drivers/D2XX.htm, is not associated with 
Lectrosonics.com. It is a third party site used 
only for D2XX drivers currently available for 
Lectrosonics’ devices’ upgrades.










