I need to find a user guide for the sansui gs35, the instructions do not come with the box and I have no idea how to use all of the features. can anyone help with an online guide I can print off?

https://www.manualslib.com/products/Sansui-Rz-7700av-8659149.html

Try any of the Sansui TV codes.

Sansui might be buying in some other brand of TV and rebadging it. Try the code auto search feature from the remote.

RCA code finder and support is here: http://www.rcaaudiovideo.com/remote-code-finder/ Download your user manual and have a read of the instructions.

Phone require establishing voice mail boxes from were details are stored as an entity owner of device also to be mean from which communcatin sis attainable. Prior to establshing a mail box, the phone has be familiarised preferable from the user guide. usually the mails box requires for multimedia phones, a recorded voice of the owner also achievable by navigatimng the device system setting to locate an dactivarte personalmail settings. Ascertain details from the user guide that has illustrartions. Also, the is capable of provide navigational instructions of arriving at mail box area to establsih person details. Locate the phone menu settings buttons to explroe the features.

http://safemanuals.com/user-guide-instructions-owner-manual/PANASONIC/NV-GS35-_S
from this address you can download manual ...

Go to radioshack.com under tv remotes insert your model number a manual will come up. Go to program remote and find your tv code and follow programming instructions.

Since nothing else has worked, are you sure that the SAP function on the Cable Box is not turned on?