Bosch LR 1 Professional Bedienungsanleitung

Robert Bosch GmbH

Power Tools Division

70745 Leinfelden-Echterdingen

Germany

www.bosch-pt.com

2 610 A12 917 (2010.01) T / 379 XXX

LR Professional

1 | 1 G

OBJ_BUCH-780-003.book Page 1 Tuesday, January 19, 2010 11:13 AM

2 610 A12 917 | (19.1.10) Bosch Power Tools

45mm

inch

45mm

inch

45 mm

inch

45 mm

inch

LR 1/LR 1 G

Professional

OBJ_BUCH-780-003.book Page 4 Tuesday, January 19, 2010 10:56 AM

2 610 A12 917 | (19.1.10) Bosch Power Tools

45mm

inch

45mm

inch

45 mm

inch

45 mm

inch

14 15

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English | 19

Bosch Power Tools 2 610 A12 917 | (19.1.10)

Safety Notes

Read and observe all instructions. SAVE THESE IN-

STRUCTIONS FOR FUTURE REFERENCE.

Keep the measuring tool away from cardiac pace-

makers. The magnet plate 4generates a field that

can impair the function of cardiac pacemakers.

fKeep the measuring tool away from magnetic data medium

and magnetically-sensitive equipment. The effect of the mag-

net plate 4can lead to irreversible data loss.

fHave the measuring tool repaired only through qualified spe-

cialists using original spare parts. This ensures that the safety

of the measuring tool is maintained.

fDo not operate the measuring tool in explosive environments,

such as in the presence of flammable liquids, gases or dusts.

Sparks can be created in the measuring tool which may ignite

the dust or fumes.

fRead and strictly observe the safety warnings in the operating

instructions of the rotational laser.

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20 | English

Functional Description

Please unfold the fold-out page with the representation of the

measuring tool and leave it unfolded while reading the operating

instructions.

Intended Use

The measuring tool is intended for swift finding of rotating laser

beams in the wavelength listed in the “Technical Data”.

The measuring tool is suitable for indoor and outdoor use.

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Bosch Power Tools 2 610 A12 917 | (19.1.10)

Product Features

The numbering of the product features shown refers to the illustra-

tion of the measuring tool on the graphic page.

1On/Off button

2Button for adjustment of the measuring accuracy

3Audio signal button

4Magnet plate

5Centre mark

6Reception area for the laser beam

7Display

8Laser receiver spirit level

9Latch of battery lid

10 Serial number

11 Battery lid

12 Retainer openings for holder

13 Locking screw for holder

14 Holder upper edge

15 Construction laser measuring rod*

16 Fastening screw of holder

17 Holder

* The accessories illustrated or described are not included as standard de-

livery.

Display Elements

aDirection indicator, down

b“Medium” adjustment indicator

cBattery indicator

dDirection indicator, up

eAudio signal indicator

fCentre indicator

g“Fine” adjustment indicator

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2 610 A12 917 | (19.1.10) Bosch Power Tools

22 | English

Technical Data

Laser Receiver LR 1

Professional

Article number 3 601 K15 400

Receivable wavelength 635–650 nm

Suitable for rotational laser level GRL 250 HV,

GRL 300 HV,

GRL 400 H

Please observe the article number on the type plate of your measuring tool.

The trade names of the individual measuring tools may vary.

The measuring tool can be clearly identified with the serial number 10 on the

type plate.

Laser Receiver LR 1 G

Professional

Article number 3 601 K69 700

Receivable wavelength 532–535 nm

Suitable for rotational laser level GRL 300 HVG

Please observe the article number on the type plate of your measuring tool.

The trade names of the individual measuring tools may vary.

The measuring tool can be clearly identified with the serial number 10 on the

type plate.

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English | 23

Bosch Power Tools 2 610 A12 917 | (19.1.10)

LR 1/LR 1 G

Working range1) with rotational

laser level:

–GRL250HV

– GRL 300 HV/HVG

–GRL400H

125 m

150 m

200 m

Receiving angle 120°

Receivable rotation speed >200 min-1

Measuring accuracy2)

– “Fine” adjustment

– “Medium” adjustment

±1mm

±3mm

Operating temperature – 10 °C ... +50 °C

Storage temperature – 20 °C ... +70 °C

Battery 1x9V6LR61

Operating life time, approx. 50 h

Weight according to

EPTA-Procedure 01/2003 0.36 kg

Dimensions 148 x 73 x 30 mm

Degree of protection IP 65 (dust-proof and

protected against powerful

water jets)

1) The working range (radius) can be reduced due to unfavourable ambient

conditions (e.g. direct sunlight).

2) depends on clearance between laser receiver and rotational laser level

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2 610 A12 917 | (19.1.10) Bosch Power Tools

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Assembly

Inserting/Replacing the Battery

Alkali-manganese batteries are recommended for the measuring tool.

Press the latch 9of the battery lid outward and open the battery

lid 11.

When inserting the battery, pay attention to the correct polarity ac-

cording to the representation on the inside of the battery compart-

ment.

When the battery indication cappears for the first time on the dis-

play 7, the measuring tool can still be operated for approx. 3 h.

fIf the measuring tool is not used for a long period of time, the

battery must be removed. The battery can corrode or discharge

itself over long periods.

Operation

Initial Operation

fProtect the measuring tool against moisture and direct sun

light.

fDo not subject the measuring tool to extreme temperatures or

variations in temperature. As an example, do not leave it in ve-

hicles for longer periods. In case of large variations in tempera-

ture, allow the measuring tool to adjust to the ambient temper-

ature before putting it into operation. In case of extreme

temperatures or variations in temperature, the accuracy of the

measuring tool can be impaired.

Position the measuring tool at least 50 cm away from the rotational

laser level. Position the measuring tool in such a manner that the

laser beam can reach the reception area 6. Set the highest rotation-

al speed on the rotational laser level.

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English | 25

Bosch Power Tools 2 610 A12 917 | (19.1.10)

Switching On and Off

fA loud audio signal sounds when switching on the measuring

tool. “The A-weighted sound pressure level of the audio signal

at a distance of one meter is 95 dB(A).”

fDo not hold the measuring tool close to your ear! The loud au-

dio signal can cause hearing defects.

To switch on the measuring tool, press the On/Off button 1. Two

audio signals sound and all display indicators light up briefly.

To switch off the measuring tool, press the On/Off button 1again.

When no button is pressed on the measuring tool for approx.

10 minutes and when no laser beam reaches the reception area 6

for 10 minutes, the measuring tool automatically switches off in or-

der to save the battery. The switching off is indicated by an audio

signal.

Selecting the Setting of the Centre Indicator

With button 2, you can specify with which accuracy the position of

the laser beam is indicated as central on the reception area:

– “Fine” adjustment, (indication gon the display),

– “Medium” adjustment, (indication bon the display).

An audio signal sounds when the accuracy setting is changed.

Whenever switching on the measuring tool, the accuracy level “me-

dium” is set.

OBJ_BUCH-780-003.book Page 25 Tuesday, January 19, 2010 10:56 AM

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