Low Voltage Warning; Temperature Warning; Firmware Update; Receiver - GRAUPNER HOTT GR-32 Manual

telemetry

3.2. Low voltage warning

If the receiver voltage falls below 3.8 V, the transmitter's RF module generates a low voltage warning in
the form of a "general alarm sound": a steady beeping at intervals of about one second.

3.3. temperature warning

If the receiver temperature falls below -10° C or exceeds +70° C, the transmitter's RF module generates
a temperature warning in the form of a "general alarm sound": a steady beeping at intervals of about
one second.

4. FIRmwARE UpdATE

Firmware updates for the receiver can be transferred via the socket „T" 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 files 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!

4.1. Receiver

4.2. Update procedure

Ensure that the adapter lead is configured as shown in the illustrations, and is connected correctly to
the transmitter or receiver.
03
Telemetry socket
(socket „T")
The first 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.
Connect the adapter lead to the socket „T" of the receiver, as shown in the
illustration. This socket is also polarised; note the small chamfer on one
edge. Never use force - the plug should engage easily and fully.
Start the Firmware Upgrade Graupner Studio.
Under „Port Select" select the correct COM port „Silicon Labs
CP210x USB to UART Bridge", i.e. the one to which the USB
lead is connected.
Choose the „HoTT receiver update" menu. Now click on the
"File Browse" button and select the the previously loaded firm-
ware file ending in *.bin. If everything is correct, the file will
The socket marked "T" is intended for the optional te-
lemetry sensors and is used for loading firmware up-
dates in conjunction with the USB interface.
Manual Receiver GR-32 Graupner HoTT 2.4