Manual TFA 31.3301 (page 10 of 28) (English, German, Dutch, French, Italian, Spanish)

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Laser Distance Meter

╞

7. Backlight

• Press the UNIT button to activate or deactivate the backlight.

• If the UNIT button is not pressed, the backlight switches off automatically after a few

seconds.

8. Fastening

• Pull the cord through the attachment hole on the device and knot it.

9. Care and maintenance

• The sensor is the most delicate part of the device. Please protect the sensor part from dirt.

• Clean the device with a soft damp cloth. Do not use solvents or scouring agents.

• Remove the batteries if you do not use the product for a long period of time.

9.1 Battery replacement

• The battery symbol appears permanently on the display.

• Change the batteries when the battery symbol appears on the display.

• Confirm the device is powered off before changing the battery.

• Open the battery compartment and insert two new batteries 1.5 V AAA, polarity as illustrat-

ed.

• Close the battery compartment again.

10. Troubleshooting

Problems Solution

No display ➜ Press the MEAS button to switch on the instrument

➜ Ensure that the batteries’ polarities are correct

➜ Change the batteries

Incorrect indication ➜ Change the batteries

Indication 21 ➜ Signal too weak - repeat the process

Indication 22 or 32 ➜ Error in the calculation - Repeat procedure

If your device fails to work despite these measures contact the supplier from whom you pur-

chased it.

11. Waste disposal

This product has been manufactured using high-grade materials and components which can

be recycled and reused.

6.9 Indirect measurement 2 - Determining a distance using 3 measurements

• Press the F button four times.

• On the display appears the symbol .

• The laser function is activated. The symbol will be flashing.

• The side to be measured (a) will be flashing.

• Press the MEAS button.

• On the display appears the result.

• The new side to be measured (c1) will be flashing.

• Press the MEAS button.

• On the display appears the result.

• The new side to be measured (c2) will be flashing.

• Press the MEAS button.

• The device calculates automatically the distance (b2 = x) and gives the result in "m".

• The result appears in the summary line, the single measurements in the first, second and

third line.

• Press the C/OFF button four times to return to normal mode.

6.10 Memory function

• Press the F button five times.

• On the display appear MEMO and 01.

• The laser function turns off. The symbol disappears.

• Check with the + or - button the last measurements taken.

• There are twenty data stored.

• Once a new measurement is taken, this one will be stored and the oldest measurement will

be automatically deleted.

• Press the C/OFF button to return to normal mode.

6.11 Setting of the self-timer

• Press the F button six times.

• On the display appears the symbol for the self-timer beside the battery symbol.

• The self-timer is set to 5 seconds (default).

• The laser function is activated. The symbol will be flashing.

• Press briefly the + or - button, the seconds (1 - 60 seconds) are shown step by step.

• Press and hold the + or - button until the desired time is indicated.

• Press the MEAS button to perform a measurement.

• The countdown starts.

• The device will alert you with a beep in the last five seconds before the measurement

starts.

• On the display appears the result.

• Press the C/OFF button to return to normal mode.

Laser Distance Meter

╞

TFA_No. 31.3301_Anleitung 27.10.2014 09:11 Uhr Seite 10

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TFA 31.3301 Manual

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