Acer X1130P Acer X1130P, X1230PK, X1230P, and X1237 Projector Series Service G - Page 83

4. Keystone Calibration Condition：Horizontal plane(0∘) 1. Make projector be horizontal 2. Enter factory menu 3. Enter into Block 3 in factory menu 4. Select item "AutoKeystoneCal" 5. Press key Left or Right to do auto calibration 6. Finish 0∘calibration and bellow items will show data: AutoKeystoneXCal: ≦ 5 AutoKeystoneXOffset: ≦ 20 83