EN
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WWW.VONROC.COM
2. PRODUCT INFORMATION
Intended use
The cross line laser is intended for determining and
checking horizontal and vertical lines onto the wall
and is therefore designed for aligning objects such
as tiles or pictures. The cross line laser is suitable
for indoor use.
TECHNICAL SPECIFICATIONS
Model No.
LL501DC
LL502DC
Number of lines
2
Direction of beams
Vertical/level
Colour of laser line
Red
Green
Laser Wavelength
620 ~ 690 nm 510 ~ 530 nm
Laser class
II (<mW) acc. to
EN60825-1: 2014;
Working range*
10m
18m
Accuracy
± 0.8 mm/m
Self-levelling range
± 5°
Levelling time
4 s
Protection
IP 20
Tripod connection
1/4"
Recommended tripod
LL801AA
Operating time, max.
14 hours
4 hours
Operating temperature
-10 ~ 40 °C
Storage temperature
-20 ~ 70 °C
Battery
2x 1.5V type LR03 AAA
(alkaline)
Weight (Without Batteries)
190 g
Dimensions
65x55x70 mm
* The working range may be reduced by unfavoura-
ble environmental conditions (e.g. direct sunlight).
DESCRIPTION
The numbers in the text refer to the diagrams on
page 2-4.
Fig. A
1. Operating mode button / on / off
2. Lock switch / on / off
3. Laser beam outlet
4. ¼ inch tripod connection
5. Battery cover
6. Universal clamp
7. Clamping jaws
8. Locking knob (for clamping jaws)
9. Adjusting knob (for ball joints)
3. ASSEMBLY
Inserting / replacing the batteries (Fig. B)
1. Open the battery compartment cover (5).
2. If applicable, remove the old batteries.
3. lnsert batteries with correct polarity according
to indications.
4. Close the battery compartment cover (5).
Using the universal clamp (Fig. C)
1. Screw the universal clamp (6) into the tripod
connection (4) at the device.
2. Loosen the locking knob (8) and push the
clamping jaws (7) apart until they fit onto the
carrier.
3. Tighten the locking knob (8) until the jaws of
the universal clamp (6) are firmly attached to
the carrier and the mount can no longer be
moved.
4. Loosen the adjusting knob (9).
5. Swivel the device to the desired position.
6. Retighten the adjustment knob (9).
7. To unfasten the clamping jaws, loosen the uni-
versal clamp (6) until the can be removed from
the carrier without difficulty.
Using the tripod (not included)
1. Place the device with the 1/4” tripod connec-
tion (4) on the thread of the tripod or a conven-
tional camera tripod.
2. Roughly align the tripod before switching on the
device.
4. OPERATION
Only the centre of the laser line must be
used for marking. The width of the laser line
changes depending on the distance.
It’s recommended to carry out an accuracy
check before first use and periodic checks
during future use, especially for precise
layouts. Also when the laser may have been
dropped.
