GRAUPNER MX-10 HOTT Programming Manual page 90

In the "Port select" window you can now select the
correct COM port, i.e. the one to which the USB in-
terface is connected. This can be identifi ed by the
name "Silicon Labs CP210x USB to UART Bridge" in
the "Device Name" column; in the screen-shot above
this would be the "COM 3" port.
Now call up the "HoTT Module Upgrade option un-
der "Menu", open the "Controller Menu" and click on
"HoTT Module":
90 Using the transmitter for the fi rst time
Click on the button labelled "File Browse" and select
the desired fi rmware update fi le (with the suffi x "bin")
in the "Open fi le" dialogue which now appears.
The fi rmware fi les are present in a product-speci-
fi c encoded form, i.e. if you inadvertently select a fi le
which does not match the product (e.g. receiver up-
date fi le instead of transmitter update fi le), the pop-
up window "Product code error" appears, and the up-
date process cannot be started.
If you have not already done so, switch the transmit-
ter OFF at this point and start the transmitter update
procedure by clicking on the "Download Start" button.
Wait until the progress bar starts running. This can
take up to several seconds. Now switch the transmit-
ter ON with the BIND-Button pressed. After a few se-
conds, the status display „Found target device ..."
appears. Now release the BIND-Button. The actual
update process now commences, and a progress bar
starts running:
Do not interrupt the update process until the progress
bar has reached the right-hand margin, and you see
the message "Firmware Download Success" - also a
a brief buzzer sound appears and the STATUS-LED
of the transmitter changes from orange to green: