Getting Started Graupner HoTT 2.4 05
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.
Note: The warning threshold can be programmed in the TELEMETRY menu of the transmitter (or with
the SMART-BOX). Please read the manual of your transmitter.
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.
Note: The warning threshold can be programmed in the TELEMETRY menu of the transmitter (or with
the SMART-BOX). Please read the manual of your transmitter.
3.4. Firmware updates
Firmware updates for the receiver can be transferred via the programming socketvia the programming
socket on the side of the unit, 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.
See also chapter 4.2.