MavProxy sometimes returning weird charakters

Hello,
I’m trying to setup MavProxy on a Raspberry Pi connected to the flight controller via the serial port. But sometimes I only receive weird charakters, like the baudrate is off. I already tried changing to Mavlink 1 and reducing the baudrate but it still happens. When connecting via USB I don’t have this problems.

It looks like this:

AP: EKF3 IMU1 initialised
AP: AHRS: EKF3 active
AP: EKF3 IMU0 tilt alignment complete
AP: EKF3 IMU1 tilt alignment complete
AP: EKF3 IMU0 MAG0 initial yaw alignment complete
AP: EKF3 IMU1 MAG0 initial yaw alignment complete
y'AC@ChV[K}|A@CA@AA}LPAA@RCxV|_Ax~ECaAX[YJK9kA@2OIAiwFnAE0Gq}Ji@YA@K_@:@AORLA@_K@wnwCAAh}\XAACIH_]wA :AAAYUSFaMIsgwA@2IAO}X`oUQCpAq:e
AA)CH@A(IC(@C8A@W^}CS[A@CG*ECHA]C\uCpCVAJge@C8,_@\cIIC}S\A2AtOLXAF@UOEA@hAh}G,A@HAAAAA@>KEAzAAo(A@SU"fC[_&AFIA0pPfuoQRyGAOaAAu@Y[Wk@_AAHv|XAAAA@mhA`hog%A@T                                         A@A@A|SA}k{  EAAndAJjDAgAiV0EiO2>OAQ@EA_@d\pe?FSA@/k/FAT,_@A@AAt@pAEA>rO[>*dA@Gc{SMA@j]_]A@A}AA!\PIpg
[@PhAhc_Vy}N2AA@AA}A@A}Q
A@a[@G@C@A@I(APSOAGe*gA@AFfhA@}$-S0IAu\`ClI~A@l>=A,@*nvLACQCA@PA`}\\xA>\rCHCpO_?A]C@0Ch@aOUFACA@AA%RA@_K                                                                                            AKA04C@CHogApA@AASAG}_AxA@}]AAA(AA;dqkAqMtAG.>A@A}$8P[~XAmzLW_AojO_@4oWVO,}AK\XhAQ<0QO8A0h@ho\MvAA@AAS}A@|GeAAAXAhbAA@W(@.%yA@*>Qkqz A@A EAA<}                                                       A<APA6A'CH@ABC(@ASrwAgWhADhGD}A0AAAB^APS@A~f6A@_qP}AH }tAA iBAFKLA@2]iUEWAAIIA@OA`ngO,i&FAAPuO_@_S@A~3_]{0                                                                                           hAGFfc\U[}AGIAs]@4A      YAM@@PAMUgsomAA_4\XAAID}Q_5A@P0AhADh
Saa@AkA{j}KkS@PWIA/|DZCca}pAEzA@ECA@@C(_@8A@}tAkCkqg@0ICQMhVA@CE(IA     Cp]{@CS_LAA__@A}AI@[GA@w_@M&m
U\XAID}Q8A@(AhA Dh@VIm[AAd$@AA@A5MLw#\Sk@xA
\xA4*+D|GtO8A02AEeYL@WEpUB_@@Au2A@zA@vAA
\XAA}$7GmO>p[hAPhEA0A@A@S%A|So|^Ah~3E:Acs_GPIAH(Au(g_Hg
AIe2A8@,APATmsv\"WA@Q|XAAQ>07IO8uA@p&hAh@3Vc=}A@@AAAB=AYAJEe[m.AO_PAP: PreArm: Check firmware or FRAME_CLASSCID[>S
AP: PreArm: Hardware safety switch
AP: PreArm: 3D Accel calibration needed
AP: PreArm: Compass not calibrated
AP: PreArm: Battery 1 low voltage failsafe

Any idea what could cause this? Thanks!

If you don’t see any issues related with communication, just run:

set shownoise false
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