- 1). Turn on the oven to 350 degrees. Allow the oven to preheat and then place an oven thermometer in the oven to determine the actual oven temperature, and how much calibration is needed.
- 2). Press the "Settings" button on the range control panel 11 times until the panel displays "TEMP CALIB."
- 3). Press "Start" to calibrate the upper oven or press "+" to calibrate the lower oven.
- 4). Press the "Temp/Time" increase and decrease buttons to adjust the oven temperature, in increments of 5 degrees.
- 5). Press the "Start" button to save your settings.
Source...