For your safety by handling the transmitter and the receiver ..7 For your safety by handling the batteries ........8 Installing the receiver ..............10 Connection assignment ..............10 Receiver GR-4 HoTT ..............10 Receiver GR-8 HoTT V2 .............10 Receiver binding ................12 Receiver reset ................13 "Telemetry"...
Introduction Intended use Thank you very much for purchasing a Graupner GR-4 HoTT or GR-8 The receiver only be used for the purpose specified by the manu- HoTT V2 receiver. facturer for operation of remote controlled models without passen- gers. This includes all types of UAVs or all types of unmanned aerial Read this manual carefully to achieve the best results with your vehicles as well as all types of unmanned land and water vehicles.
• Only use the components and spare parts that we recommend. Weight 6 g Always use matching, original Graupner plug-in connections of the same design and material. accessories • Make sure that all of the plug-in connections are tight. When dis- connecting the plug-in connections, do not pull the cables.
Damaged or wet receiver, even if re-dried, should no longer be used! CAUTION Avoid every kind of short-circuit in all sockets of the transmitter! Risk of fire! Use only the suitable connectors. In no case the elec- tronic component of the transmitter or of the receiver may be changed or modified.
Note If a sensor is connected, the warning threshold set in the lines "AL The GR-4 HoTT receiver is compatible with all Graupner HoTT trans- EX-V" or "AL EX-T" of the receiver menu "RX SETUP" becomes effec- mitters.
2. Eventually, switch on the receiver power supply. • If a reset is performed accidentally, all of these settings that The LED of the GR-4 HoTT or GR-8 HoTT V2 receiver blinks in red. were made using the "Telemetry" menu in the receiver should 3.
Receiver GR-4 HoTT RX-TEMP Receiver temperature in °C The GR-4 HoTT receiver has only one display page. In it, if necessary, LOSS PACK Shows the longest time in milliseconds in which RECEIVER 0.09 some warning thresholds can be adjusted: AL RX-V( 5.1V): 3.7V...
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CH FUNCTION FAIL SAFE In this display, it may be necessary to adapt the connection protocols The simpler and recommended way to fail-safe settings is to use the CH FUNCTION <> FAIL SAFE < at the four receiver connections to the properties of the respectively transmitter's Fail Safe menu.
Connection example … for electric driven models red wire of the voltage sensor Battery connection E.S.C. Motor connection ON/OFF switch Temp. / voltage Receiver Temperature sensor sensor CH 4 CH 3 CH 2 Steering servo CH 1 … for model with I.C. engine Attach temperature sensor to cylinder head Receiver power supply...
Note the small chamfers on the sides. Do not use force, the plug should click into place easily. Plug the other end of the adapter cable into the GR-4 HoTT receiver in the port marked with "B/T" and in the GR-8 HoTT V2 receiver into the "3 + -"...
These operating instruction are exclusively for information purposes and are subject to change without prior notification. The current version can be found on the Internet at www.graupner.de on the relevant product page. In addition, the company Graupner/SJ has no responsibility or liability for any errors or inaccuracies that may appear in construction or operation manuals.