Looks like the eonon head unit without the branding it seems. If you have steering wheel controls try holding down the mode button for a few seconds then using the up/down arrows to access the time setting. If you don't have steering wheel controls than you will have to do the old battery disconnect at midnight trick to sync up.
if I were you I would go to eonon.com and download the user manual for the gm5151 head unit and follow their steps for time settings if you have the steering wheel controls. It looks to be very similar. As for the high pitched beeping no idea sorry.
for this discs not going all the way in, if it's not physically broken then there may well still be a phillips screw on top on the head unit that needs to be removed some people do forget to remove it, though you will need to remove the head unit to check that. The screw is there to protect the drive during shipping. That is covered in the manual too.
Last edited by Mspec; 22-11-2014 at 07:48 AM.
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