Bosch GML 50 Professional User Manual download pdf (Page 14)

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2 609 140 773 | (19.10.11) Bosch Power Tools

ation. In case of extreme temperatures or variations in

temperature, the accuracy of the measuring tool can be im-

paired.

f Avoid heavy impact to or falling down of the measuring

tool. After severe exterior effects to the measuring tool, it

is recommended to carry out an accuracy check (see “Ac-

curacy Check of the Distance Measurement”, page 16)

each time before continuing to work.

Switching On and Off

For switching on the measuring tool, the following possibili-

ties are given:

– Pressing the On/Off button 4: The measuring tool is

switched on and is in length measurement mode. The laser

is not activated.

– Pressing the measuring button 2: Measuring tool and laser

are switched on. The measuring tool is in length measure-

ment mode.

f Do not point the laser beam at persons or animals and

do not look into the laser beam yourself, not even from

a large distance.

To switch off the measuring tool, press the On/Off button 4

for a few seconds.

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

5 minutes, the measuring tool automatically switches off to

save the batteries.

Measuring Procedure

After switching on by pressing the measuring button 2, the

measuring tool is always in length measurement mode. Other

measuring modes can be switched to by pressing the respec-

tive function/mode button (see “Measuring Functions”,

page 14).

After switching on, the rear edge of the measuring tool is pre-

set as the reference level for the measurement. By pressing

the reference level button 6, the reference level can be

changed (see “Selecting the Reference Level”, page 14).

Place the measuring tool with the selected reference plane

against the desired starting point of the measurement (e.g. a

wall).

Briefly press the measuring button 2 to switch on the laser

beam.

f Do not point the laser beam at persons or animals and

do not look into the laser beam yourself, not even from

a large distance.

Aim the laser beam at the target surface. Briefly press the

measuring button 2 again to initate the measurement.

In the continuous measurement mode, the measurement be-

gins immediately upon switching on the function.

Typically, the measured value appears after 0.5 seconds and

latest after 4 seconds. The duration of the measurement de-

pends on the distance, the light conditions and the reflection

properties of the target surface. The laser beam is switched

off automatically upon completion of the measurement.

When no measurement has taken place approx. 20 seconds

after sighting, the laser beam is switched off automatically to

save the batteries.

Selecting the Reference Level (see figure A)

For the measurement, you can select between three different

reference planes:

– The rear measuring-tool edge (e.g. when measuring on-

ward from a wall),

– The front measuring-tool edge (e.g. when measuring on-

ward from a table edge),

– The centre of thread 14 (e.g. for tripod measurements).

To select the reference level, press button 6 until the request-

ed reference level is indicated on the display. Each time after

switching on the measuring tool, the rear end of the measur-

ing tool is preset as the reference level.

Display Illumination

The display illumination is automatically activated, depending

on the ambient brightness. When no button is pressed after

the display illumination switches on, it is dimmed to save the

batteries.

Measuring Functions

Simple Length Measurement (see figure B)

For length measurements, press button 9 until the “length

measurement” indication appears on the display.

To switch the laser on and for measuring,

briefly press the measuring button 2 once

each time.

The measured value is displayed in the re-

sult line b.

For several subsequent length measurements, the last meas-

ured results are displayed in the measured-value lines a.

Area Measurement (see figure C)

For area/surface measurements, press button 3 until the indi-

cator for area/surface measurement appears on the dis-

play.

Afterwards, measure the length and the width, one after an-

other, in the same manner as a length measurement. The laser

beam remains switched on between both measurements.

Upon completion of the second measure-

ment, the surface is automatically calcu-

lated and displayed in the result line b.

The individual measured values are dis-

played in the measured-value lines a.

Volume Measurement (see figure D)

For volume measurements, press button 3 until the indicator

for volume measurement appears on the display.

Afterwards, measure the length, width

and the height, one after another, in the

same manner as for a length measure-

ment. The laser beam remains switched

on between all three measurements.

Upon completion of the third measure-

ment, the volume is automatically calcu-

lated and displayed in the result line b.

The individual measured values are dis-

played in the measured-value lines a.

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Bosch GML 50 Professional User Manual Page 14

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