Velleman VTUSD Manuel D'utilisation page 6

HOW TO USE THE AREA KEY
1. Press ON
2. Measure the length of the room
3. Press L
4. Position unit and press ON
5. Measure the width of the room
6. Press W
7. Press AREA
8. The unit will have automatically calculated the area of the room based on your length and width readings.
VOLUME CALCULATIONS
This function is used to calculate volume very quickly.
HOW TO USE THE VOL KEY
1. Press ON
2. Measure the length of the room
3. Press L
4. Position unit and press ON
5. Measure the width of the room
6. Press W
7. Position unit and press ON
8. Measure the height of the room
9. Press H
10. Press VOL
11. The unit will have automatically calculated the volume of the room based on your length, width and height
readings.
VTUSD VELLEMAN
5