1. Introduction
This manual provides essential information for the safe and efficient operation, maintenance, and care of your Oster Extra Large Digital Countertop Convection Oven. Please read all instructions thoroughly before first use and retain for future reference.
The Oster Extra Large Digital Countertop Convection Oven is designed for versatile cooking, offering multiple functions including baking, broiling, toasting, pizza, and defrosting. Its convection technology ensures even heat distribution for consistent results, and its spacious interior can accommodate large items, making it an energy-efficient alternative to a full-sized oven for many cooking tasks.
2. Important Safeguards
When using electrical appliances, basic safety precautions should always be followed to reduce the risk of fire, electric shock, and/or injury to persons, including the following:
- Read all instructions before operating the appliance.
- Do not touch hot surfaces. Use handles or knobs.
- To protect against electrical shock, do not immerse cord, plugs, or appliance in water or other liquid.
- Close supervision is necessary when any appliance is used by or near children.
- Unplug from outlet when not in use and before cleaning. Allow to cool before putting on or taking off parts.
- Do not operate any appliance with a damaged cord or plug or after the appliance malfunctions or has been damaged in any manner.
- The use of accessory attachments not recommended by the appliance manufacturer may cause injuries.
- Do not use outdoors.
- Do not let cord hang over edge of table or counter or touch hot surfaces.
- Do not place on or near a hot gas or electric burner, or in a heated oven.
- Extreme caution must be used when moving an appliance containing hot oil or other hot liquids.
- Always attach plug to appliance first, then plug cord into the wall outlet. To disconnect, turn any control to “off”, then remove plug from wall outlet.
- Do not use appliance for other than intended use.
- Oversized foods or metal utensils must not be inserted in a toaster oven as they may create a fire or risk of electric shock.
- A fire may occur if the oven is covered or touching flammable material, including curtains, draperies, walls, and the like, when in operation.
- Do not store any materials, other than manufacturer’s recommended accessories, in this oven when not in use.
- Do not place any of the following materials in the oven: paper, cardboard, plastic, or any materials not specifically designed for oven use.
- Do not cover crumb tray or any part of the oven with metal foil. This will cause overheating of the oven.
- Extreme caution should be exercised when removing tray or disposing of hot grease.
3. Components and Features
Your Oster Extra Large Digital Countertop Convection Oven comes equipped with the following components:
- Oven Unit: The main appliance housing the heating elements and controls.
- Oven Racks (2): Two adjustable racks for flexible cooking positions.
- Baking Pan: A versatile pan that can also serve as a broiling pan.
- Integrated Broiling Rack: Designed to fit with the baking pan for broiling.
- Removable Crumb Tray: Located at the bottom for easy cleaning.

Image: Overview of the Oster Toaster Oven's internal components, highlighting the two adjustable racks, the baking pan which doubles as a broiling pan, and the easily removable crumb tray for convenient cleaning.
4. Setup and First Use
- Unpacking: Carefully remove the oven and all accessories from the packaging. Remove any packing materials, stickers, or protective films.
- Placement: Place the oven on a flat, stable, heat-resistant surface. Ensure there is adequate clearance (at least 6 inches) on all sides and above the oven for proper ventilation. Do not place it directly against a wall or under cabinets.
- Initial Cleaning: Before first use, wipe the interior and exterior of the oven with a damp cloth. Wash the baking pan, broiling rack, and oven racks in warm, soapy water. Rinse thoroughly and dry completely.
- Burn-in Process: To eliminate any manufacturing odors, operate the oven empty for approximately 15 minutes on the 'Bake' setting at 450°F (230°C). Ensure the area is well-ventilated during this process.
- Power Connection: Plug the power cord into a standard 120V AC electrical outlet.
5. Operating Instructions
Your Oster Toaster Oven features intuitive digital controls for various cooking functions. Familiarize yourself with the control panel before operation.

Image: Close-up of the digital control panel, showing the various function buttons and display for precise cooking control.
5.1. Function Selection
The control panel includes dedicated buttons for different cooking modes:
- Toast: For toasting bread, bagels, and pastries.
- Bake: For general baking of casseroles, cookies, and other dishes.
- Broil: For grilling and browning foods.
- Warm: To keep cooked food warm.
- Defrost: For thawing frozen items.
- Pizza: Optimized setting for cooking pizzas.
5.2. Convection Technology
The oven utilizes convection technology, which circulates hot air throughout the oven cavity for faster and more even cooking. This feature is particularly beneficial for baking and roasting, ensuring consistent results and often reducing cooking times.

Image: The convection feature in action, showing a roasted chicken and vegetables inside the oven, illustrating the even heating capability.
5.3. Setting Time and Temperature
After selecting a function, use the Timer and Temp arrow buttons to adjust the cooking time and temperature as needed. The digital display will show your selections.
5.4. Auto Shut-Off Timer
The oven features a convenient 90-minute timer with an auto shut-off function. Once the set cooking time has elapsed, the oven will automatically turn off and signal with a bell, preventing overcooking and enhancing safety.
5.5. Rack Positioning and Capacity
The oven includes two adjustable racks that can be placed in different positions to accommodate various food sizes. Its extra-large interior is designed to fit up to two large take-and-bake pizzas, a family-sized chicken, or 18 slices of bread, offering significant cooking flexibility.

Image: Demonstration of the extra-large capacity, with two large pizzas being cooked simultaneously on the two internal racks.
6. Maintenance and Cleaning
Regular cleaning will help maintain the performance and appearance of your Oster Toaster Oven. Always unplug the oven and allow it to cool completely before cleaning.
- Interior: The oven features an easy-clean interior. Wipe down the interior walls with a damp cloth and mild detergent. For stubborn stains, a non-abrasive cleaner designed for oven interiors can be used.
- Crumb Tray: The removable crumb tray should be emptied and cleaned regularly to prevent grease buildup and potential fire hazards. Slide out the tray, discard crumbs, and wash with warm, soapy water. Rinse and dry thoroughly before replacing.
- Racks and Pans: Wash the oven racks, baking pan, and broiling rack in warm, soapy water. For baked-on food, soak them before washing. They are not dishwasher safe unless specified in the full manual.
- Exterior: Wipe the exterior surfaces with a soft, damp cloth. Do not use abrasive cleaners or scouring pads, as they may scratch the stainless steel finish.
- Door: Clean the glass door with a glass cleaner or a damp cloth. Avoid harsh chemicals that could damage the door seal.
7. Troubleshooting
If you encounter issues with your Oster Toaster Oven, please refer to the following common troubleshooting tips. For more detailed solutions, consult the full user manual.
- Oven Not Turning On: Ensure the power cord is securely plugged into a working electrical outlet. Check your household circuit breaker.
- Food Not Cooking Evenly: Ensure the oven racks are positioned correctly for the food item. Utilize the convection feature for improved heat distribution. Preheat the oven fully before adding food.
- Timer Not Working: Verify that the timer has been set correctly and the 'Start' button has been pressed.
- Excessive Smoke: This may indicate food spills or grease buildup. Clean the interior and crumb tray thoroughly. Ensure no food is touching the heating elements.
8. Specifications
| Feature | Specification |
|---|---|
| Brand | Oster |
| Model Name | Countertop Convection Oven 161 |
| Item Model Number | TSSTTVDGXL-SHP |
| Color | Stainless |
| Product Dimensions (D x W x H) | 19.29" x 21.65" x 12.91" |
| Interior Dimensions (W x D x H) | 15.75" x 16.36" x 6.85" (lower rack to upper heater) |
| Special Feature | Convection technology |
| Control Type | Knob / Digital Buttons |
| Power Source | AC adapter (1500W) |
| Temperature Range | 200-450 Degrees Fahrenheit |
| Number of Shelves | 2 |
| Item Weight | 26 pounds |

Image: Product dimensions of the Oster Toaster Oven, indicating its overall size for placement considerations.
9. Warranty and Support
For detailed warranty information, product registration, or further assistance, please visit the official Oster website or refer to the complete user guides provided by the manufacturer. You can find additional resources and support by visiting the Oster Store on Amazon.
Additional user guides in PDF format are available for download:





