CST/BERGER Lasermark ILM Serie Manual De Instrucciones página 4

OPERATION
1. Set the unit on a flat, smooth surface. The self-levelling range of the instrument is within
approx. ±4° in any direction.
2. Turn the unit on by pressing the POWER button. The indicator light should illuminate "green"
if the unit is within its leveling range.
If the indicator light illuminates "red" and the laser cross is flashing, the unit is out of its
self-leveling range. Position the unit to a more level surface.
2a. If the unit appears to be within its self-leveling range and the LED continues to blink, be sure
the unit contains good batteries.
3. If the unit fails to operate after completion of steps 1-2 above, contact customer service.
4. Turn the unit OFF by pressing the POWER button as many times as it takes to cycle through
the various functions before coming to the OFF position.
POWER
Remove the battery cover by sliding it towards the bottom of the instrument. If replacing batteries,
remove the existing batteries. Insert three "AA" cell batteries into the instrument. Check for
correct polarity.
Alkaline batteries offer the longest battery life when used in this instrument.
Note: Extreme temperatures and the use of batteries with different levels of charge can reduce
the operating time of the instrument. Always use batteries with the same power rating and from
the same manufacturer. For the proper disposal of the used batteries, see the section
"Environmental Protection".
ACCURACY CHECK
As with any level reference instrument, we strongly recommend checking the instrument's
calibration before initial use; then periodically to ensure proper reference.
Check the laser Instrument following these steps:
Checking the horizontal line front to back (Fig. 4)
1. Choose two walls approximately 16-ft (5m) apart.
2. Set up the instrument 1-ft from wall (W1), project the laser cross onto wall. (W1) and mark
the point "A1" where the laser cross hits the wall.
3. Rotate the instrument 180° and project laser cross onto the opposite wall. (W2) and mark the
point where the laser cross hits the wall "B1".
4. Reposition the instrument 1-ft from wall (W2), project the laser cross onto wall. (W2) and
mark the point "B2" where the laser cross hits the wall.
5. Rotate the instrument 180° and project laser cross onto the opposite wall. (W1) and mark the
point where the laser cross hits the wall "A2".
6. Measure the distance between "A1" and "A2" and between "B1" and "B2" . If the distances
are the same, the Instrument is in calibration. If the difference between the two sets of
points is greater than 1/2 the specified accuracy the instrument is out of calibration.
4 • 58-ILM
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