Indirect Measurement; Turning On The Backlight; Care And Maintenance - Cocraft CA640 Manual

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3. The measured distance will be shown on the display.
4. Point the laser over the area to be measured across the previous line measured to measure
width and press
has been taken).
5. Point the laser vertically on the surface of the area to be measured and press
measure height (a short beep will be heard once the measurement has been taken).
6. The two previous readings will display on top. The sum is shown at the bottom of the display.

4.3 Indirect measurement

Follow the instructions on the display. The corresponding symbol for what is to be measured will
flash on screen.
The meter uses Pythagoras' formula (a² + b² = c²) to calibrate height indirectly.
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1. Press to select indirect measurement (a triangle symbol will show in the display).
2. Point the laser to the highest point of the object to be measured (the triangle's hypotenuse
will flash). Press
3. Point the laser directly parallel to the object to be measured (the triangle's base will flash).
Press to start measuring.
4. The height (the triangle's vertical line will begin to flash) is calculated automatically and will be shown.

4.4 Turning on the backlight

Press to turn on the backlight when needed.

5. Care and maintenance

• The distance meter is a sensitive instrument which should be handled carefully.
• Do not subject the instrument to knocks, strong vibrations or high temperatures.
• Store the meter in a clean and dry environment.
• Do not expose the instrument to dust or moisture since the lens can be damaged.
• Wipe the instrument with a soft cloth when needed.
• Remove the battery from the meter if it is not to be used for an extended period.
• Change the battery when the battery symbol shows empty.
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once to measure (a short beep will be heard once the measurement
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to register the first reading.
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