User manual

VTLD100
18.05.2010 ©Velleman nv
7
Backlight
• Shortly press the backlight/unit button [i] to switch the backlight on or
off.
Units of measurement
• Press and hold the backlight/unit button [i] to change the units
between m (meter), inch (in), feet (ft) and fractional ft+in (
x
/
16
).
Addition/subtraction
• Press the increase/add button [e] to add the next measurement to the
previous.
• Press the decrease/subtract button [f] to subtract the next
measurement from the last.
Memory recall
• Press the memory button [g] to display memory content (reverse
order, last stored value is shown first.
• Press the increase/add button [e] to display the next memory location,
press the decrease/subtract button [f] to display the previous memory
location.
• Press the clear/OFF [j] and store [g] buttons simultaneously to clear all
data stored in memory.
8. Measuring
Refer to the illustrations on pages 2 and 3 of this manual.
Single direct measurement
• Press the ON/measuring button [a] to switch the laser on.
• Point the laser, hold the meter still and press the ON/measuring button
[a] again. The distance is shown on the display
Continuous measurement/max. & min. measurement [C]
• In continuous mode the meter will measure the distance every 0.5s
while displaying minimum and maximum measured values [9].
• The minimum measured value is shown on the first line of the display
[10], the maximum value on the second line [11]. The last measured
value is indicated on the bottom line [12].
• To start continuous measurement, press the measuring mode button
[d] until the max./min. indications [9] are shown. Measurement starts
immediately.
• Slowly move the laser beam over the surface tor determine the
minimum and maximum distance towards it (see illustration C).
• To stop measuring, press the ON/measuring button [a] or clear/OFF
button [j]. Note: measuring will automatically stop after 100
measurements.