User manual

42 | Flying The Xtreme
18. FLYING THE XTREME
18.1 Built-in safety
18.1.1 General
The »Xtreme has a range of SAFETY FEATURES in the transmitter and model which
protect the model from damage and/or should reduce possible damage to a minimum. The
protectionmechanismsareidentiedbyLEDindicators(»Xtreme)oranacousticwarning
signal(transmitter).
18.1.2 Transmitter (Stock transmitter)
> The CHARGE CONDITION of the inserted batteries is inspected every time the
transmitter is switched on:
» Ifthechargeconditionistoolow,thetransmitterswitchesoffimmediatelyagain.
Thetransmittersignalsthisby three warning sounds.
> The CHARGE CONDITION is continually inspected while the transmitter is in
operation:
» If below a certain value, a triple warning sound is emitted. In this case, stop
yingatonceandreplacethebatteriesofthetransmitter.
> The transmitter also has an AUTOMATIC DEACTIVATION integrated:
» If no control element is operated for more than ve minutes, the transmitter
switchesoffautomatically.
18.1.2.1 Fixed timer functions
AlarmI: 4min1xbeep[3secpause],1xbeep[3secpause],1xbeep[3secpause],
1xbeep
AlarmII: 5min2xbeep[3secpause],2xbeep[3secpause],2xbeep[3sec
pause],2xbeep
AlarmIII: 6min3xbeep[3secpause],3xbeep[3secpause],3xbeep[3sec
pause],3xbeep
AlarmIV: 7min4xbeep[3secpause],4xbeep[3secpause],4xbeep[3sec
pause],4xbeep
18.1.3 Xtreme
> The STATUS LEDashes:
» Flashesslowlyiftransmitterisboundandsignalstrengthissufcient.
» Flashesinthecolourcorrespondenttothesetightmode.
> The STATUS LED is lit solid:
» Ifthereisanyinterferencewithreception.
» Ifreceptioninterferencesarepermanentduringight,themotorsareswitchedoff
afterapprox.veseconds(EMERGENCY LANDINGinitiated).
» Short-term reception interferences are ignored. The »Xtreme retains the last
ightcondition.
> The CHARGING CONDITIONoftheconnectedbatteryisconstantlymonitored:
» IfitfallsbelowacriticalleveloverasetperiodoftimethestatusLEDashes
orange.
» Ifthevoltageundercutispermanent,theLEDissolidelylitorange.Inthiscase,
anemergencylandingisinitiatedafterashortperiodandthemotorsandLED
are deactivated.
Connecting a non-fully charged battery to the »Xtreme can
lead to undervoltage detection and the motors do not start.
> MOTOR BLOCKAGE
» The motors are switched off if one or several propellers are blocked. The status
LEDashesredfast.Aftertheblockageisresolvedthemotorscanbeturned
on again.