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SKU 91179 For technical questions, please call 1-800-444-3353. Page 9
Vertical Beam Level Accuracy (End to End)
1. Set up the instrument with the Wall Mount (1) or Tripod (not included),
approximately 16 ft. from the wall. (The wall should be at least 16-1/2 ft.
high). Please ensure the Rotary Base is approximately level.
2. Press both the horizontal and vertical buttons to project a laser cross on the
wall, mark point A 8 ft. above the intersection of the beams on the vertical
beam.
3. Regarding A as a starting point and nail one end of a string with plumb bob
(not included) on A. The length of the string should be over 16 ft..
4. Mark M
1
8 ft. from point A on the string.
5. Mark M
2
8 ft. above the intersection of the beams on the vertical line.
6. Measure the distance between M
1
and M
2
.
7. If the distance is less or equal to 10 ft., the accuracy is within tolerance.
Otherwise, take the instrument to a qualified technician for repair.
After Using Laser
1. Detach Laser from Wall Mount (1) or Tripod (not included).
2. Switch off both laser lines, horizontal and vertical. Check to see indicator
light is off.
3. Lock Pendulum Lock by sliding the door from the center position. After use
the Pendulum Lock should be locked before the instrument is put away in the
Carrying Bag (4).
See Figure B.
Note: When the Pendulum Lock is unlocked, do not shake or strike the
instrument, otherwise the mechanism inside could be damaged.
Warning: Always make certain the Laser is OFF before adjusting or chang-
ing batteries.
To change the batteries, remove the Battery Cover, (see figure A), and insert
three new “AA” Batteries. Follow the polarity symbols so that the positive and
negative ends of the batteries match the diagram. Do not mix old and new
batteries. Remove batteries when storing Laser.
Warning: This product contains or produces a chemical known to the State of
California to cause cancer and birth defects (or other reproductive harm). (Califor-
nia Health & Safety Code § 25249.5,
et seq.
)