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VTL-70 < PRECAUTION > [WITH 7 INCH DISPLAY] PRECAUTIONS 5. Place a known weight (dumbbell or similar weight), between 4.5 and 8.6 kg (10 and 19 lb.) on the center 6. Enter the known weight using four digits. (Example 10 lb. = 10.00, 10.5 lb. = 10.50) 7. Press “Enter”— the display returns to the vacuum mode. 8. Press “Shift/Reset” and “Enter” at the same time. 9. Press “6”— the known weight on the scale is displayed. 10. Remove the known weight from the scale. “0.00” is displayed. 11. Press “Shift/Reset” to return the ACR4 to the program mode. CHARGING CYLINDER Using a charging cylinder is not recommended. Refrigerant may be vented into air from cylinder’s top valve |