19 Manual Module M-G2 33302
7. Firmware Update Graupner-HoTT Module M-G2
Firmware updates for the transmitter RF module can be transferred via the DATA or telemetry interface
in conjunction with a PC running Windows XP, Vista or 7. For this you also require the USB interface,
Order No. 7168.6, and the adapter lead, Order No. 7168.6A, which are available separately.
The programs and fi les required for this are available from www.graupner.de in the Download area for
the corresponding products.
Install the Firmware Update Utility Graupner and the USB drivers on your computer. Check the system
requirements!
The fi rst step is to cut through the central red wire in the adapter lead,
Order No. 7168.6A, then connect the lead to the USB interface, Order
No. 7168.6. This socket is also polarised; note the small chamfer on one
edge. Never use force - the plug should engage easily and fully.
Insert the adapter lead in the DATA socket on the rear of the module, as
shown in the photo. Take care to maintain correct polarity!
For tranmitters with internal telemetry only: unplug the internal tele-
metry by disconnecting the 3-pin cable with the label MODULE next to
the module M-G2.
7.1. Update procedure
Ensure that the adapter lead is confi gured as shown in the illustrations, and is connected correctly to
the transmitter or receiver.
Start the Graupner Firmware Update Utility.
Under [COM Port Setup] select the correct COM
port, i.e. the one to which the USB lead is connec-
ted. If you are not sure of this, press the button
„Search“ and select in the pop-up window „Silicon
Labs CP210x USB to UART Bridge“ and press „OK“.
Baud Rate: 19200.
Under [Interface Type] click on Signal 2:Vcc3:Gnd.
Now click on the “Browse” button and select the fol-
der containing the previously loaded fi rmware fi le
ending in *.bin. If everything is correct, the fi le will
appear in the corresponding window.
The fi rmware fi les are encoded in product-specifi c
form, i.e. if you accidentally select a fi le which does
not match the product (e.g. transmitter update fi le instead of receiver fi le), then the pop-up window “Pro-
duct code error” will appear, and you will not be able to start the update procedure.
Press the “Program” button in the software. Wait briefl y until you see movement in the progress bar. This
may take up to fi ve seconds, depending on the computer.
Transmitter: press the BIND / RANGE button, and switch the transmitter on while you hold it pressed
in.
After a few seconds the Status screen displays the message “Found target device…”; you can now
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