User manual

VTLD100

18.05.2010 ©Velleman nv

position.

• Press the ON/measuring button [a] again to switch on the laser and

press again to measure the third distance. The value appears in the

second line [11], the previous value moves to the first line [10].

• The distance between the bottom and top measuring points is

calculated and displayed on the third line [12].

9. Troubleshooting

When an error occurs, an error code is displayed on the LCD. Refer to the

table below for an overview of these codes.

Code cause solution

204 calculation error repeat procedure

208 received signal too weak

measurement time too long

distance > 50m

use target plate

split up and add measurements

209 received signal too strong

(target too reflective)

use target plate

252 temperature too high let the device cool down

253 temperature too low (gently) heat up the device

255 hardware error Switch the device ON/OFF a couple of

times, remove and re-insert the

batteries.

Contact your local dealer if the error

remains.

10. Maintenance

• Do not immerse the device in any liquid.

• Wipe the device regularly with a moist, lint-free cloth. Do not use alcohol

or solvents.

• Keep the lens clean at all times to obtain best performance.

• Contact your dealer for spare parts if necessary.

11. Battery

• A flashing battery indicator [6] indicates that battery power is low and

batteries must be replaced.

• Switch the device off [10].

• Open the battery cover at the back of the meter (see illustration A) and

take out the old batteries.

• Insert two new 1.5V AAA batteries (LR03C) in accordance with the

polarity markings inside the battery compartment.

• Close the battery compartment.

• If the device is not used for a longer period of time, remove the batteries

to avoid leakage and risk of corrosion.