-9-
The numbering of the product features shown
refers to the illustration of the tool on the
graphic page.
1 Exit opening for laser beam
2 Laser warning label
3 On/Off switch
4 Magnets
5 Serial number
6 Battery lid
7 latch of battery lid
8 battery indication
9 Laser target plate
10 Leveling plate
11 Cut-out in the leveling plate
12 Protective case
13 Laser viewing glasses*
14 Ceiling measurement plate*
*The accessories illustrated or described are
not included as standard delivery.
Features
Working range (typical). . . . . . . . 65 ft (20m)
(with laser target plate or with ceiling plate)
Angular Accuracy
Typical Accuracy . . . . . . up to 1/16 in. at 20ft
(up to 1/8in. at 20ft between
45° and 90° lines)
Operating temperature . . . . . . 14 °F 122 °F
(–10 °C +50 °C)
Storage temperature . . . . . . . . -4 °F 158 °F
(–20 °C +70 °C)
Relative air humidity, max. . . . . . . . . . 90 %
Laser class. . . . . . . . . . . . . . . . . . . . . . . . . 2
Laser type . . . . . . . . . . . . . . 635 nm, <1 mW
Batteries . . . . . . . . . . . . . 4 x 1.5 V LR6 (AA)
Operating lifetime, approx.
-with 2 laser lines . . . . . . . . . . . . . . . . . 18hrs
-with 3 laser lines . . . . . . . . . . . . . . . . . 12hrs
(Automatic switch-off after approx. 30min.)
Weight. . . . . . . . . . . . . . . . . . . . . . 1lb (.5 kg)
Dimensions . . . . . . . . . . . . . . . . 6” x 4” x 3.8”
(156x 102 x 98mm)
Degree of protection. . . . . . . . . . . . . . . IP 54
1) The working range can be decreased by
unfavorable environmental conditions
(e.g. direct sun irradiation).
2) The angular accuracy between the 45°
laser line and the 90° laser line is max.
±0.4 mm/m.
Please observe the article number on the
type plate of your tool. The trade names of
the individual tools may vary.
The tool can be clearly identified with the
serial number 5 on the type plate.
Technical Data
Preparation
Inserting/Replacing the Battery
Alkaline batteries are recommended for
the tool.
To open the battery lid 6, press on the latch 7
and fold the battery lid up. Insert
the batteries.
When inserting, pay attention to the correct
polarity according to the representation on
the inside of the battery compartment.
When the battery indication 8 flashes, the
batteries are weak. When the battery
indication flashes for the first time, the tool
can still be operated for approx. 2 h.
When the battery indication 8 lights up
constantly, usage is no longer possible. The
tool automatically switches off after a
short time.
• Remove the batteries from the
tool when not using it for extended
periods. When storing for extended
periods, the batteries can corrode and
discharge themselves.
This tool is intended for determining and checking right angles as well as for aligning tiles in
angles of 45° and 90°.
Intended Use
GTL3 manual-3 2610A11667:Bosch 2/23/11 12:50 PM Page 9