A free manual for a GE Truetemp oven is available on the GE Appliances website as of 2015. The website also provides descriptions, prices and user guides for other products manufactured by GE.
Click on the Support button located on the home page of the GE appliances website, and select Manuals & Installation Instructions on the drop-down menu that appears. Enter the model number of your GE Truetemp oven and click on the search icon. Click on the links for the owner's manual, use and care manual, and the installation information and energy guide to download the corresponding resource to your computer.