Greetings....
I am having failures connecting to my Meade LX90 so i may autoguide....
If i understand the documentation right,i should be able to image and autoguide internally using the same "ASI 1600MC-Cool"....(I was successful connecting and imaging with my ASI 1600MC)I am fairly certain i have everything hooked up correctly(Imager cable to laptop)(RS232-to-USB cable from my LX90 #497 ETX Autostar controller to my laptop USB port)....I am not sure how the imager communicates with the telescope for autoguiding?....Does the imager see the star drifting and relay this info to indi and indi relays this to the mount to correct it?....

This failure happens with all the LX90 and LX200 driver versions....
Here is the basic failure from the log....

indi_lx200autostar/indi_lx200autostar_17:24:48.log
DEBUG 48.148398 sec : Toggle Logging Level -- Driver Debug
DEBUG 48.752172 sec : Toggle Debug Level -- Driver Debug
DEBUG 52.624172 sec : Toggle Logging Level -- Scope Verbose
DEBUG 55.728258 sec : Toggle Debug Level -- Scope Verbose
DEBUG 66.160335 sec : Connecting to /dev/ttyUSB0
DEBUG 66.160637 sec : Port FD 10
DEBUG 66.160698 sec : Connection successful, attempting handshake...
DEBUG 66.160727 sec : Testing telescope connection using ACK...
DEBUG 76.269167 sec : Failure. Telescope is not responding to ACK!
DEBUG 76.269241 sec : Handshake failed.
WARNING 76.269260 sec : Communication with /dev/ttyUSB0 @ 9600 failed. Starting Auto Search...

I have studied the forums and have not been able to fix the issue which appears to be "Telescope is not responding to ACK"
I installed "Kstars bleeding edge" from your PPA,and it updates daily....
"dmesg" shows my RS232-to-USB cable at port /dev/ttyUSB0....
My user name is listed in the dialout group....
My LX90 controller is a #497 ETX Autostar....
I have attached logs and images from my setup....

My info:

Kernel-Linux 4.4.0-87-generic (x86_64)
Distribution-Ubuntu 16.04.3 LTS

Desktop Planetarium-Build: 2017-09-24T13:10:19Z
Version 2.8.4-Using:
KDE Frameworks 5.18.0
Qt 5.5.1 (built against 5.5.1)
The xcb windowing system

Thank you for any help....

File Attachment:

File Name: indi_lx200autostar_172448_2017-09-24.log
File Size: 3 KB

File Attachment:

File Name: indi_lx200autostar_173823_2017-09-24.log
File Size: 2 KB

File Attachment:

File Name: indi_lx200classic_173619_2017-09-24.log
File Size: 1 KB

File Attachment:

File Name: indi_lx200basic_173732_2017-09-24.log
File Size: 1 KB
[attachment=2093]

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