Bosch GML 50 Professional User Manual download pdf (Page 13)

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Bosch Power Tools 2 609 140 773 | (19.10.11)

Product Features

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

lustration of the measuring tool on the graphic page.

1 Display

2 Measuring button

3 Button for area/surface, volume and indirect height

measurement (Pythagoras)

4 Delete / On/Off button**

5 Minus button

6 Button for selection of the reference level

7 Fixture for carrying strap

8 Plus button

9 Length and continuous measurement button

10 Battery lid

11 Laser beam outlet

12 Reception lens

13 Serial number

14 1/4" thread

15 Laser warning label

16 Latch of battery lid

17 Protective pouch

18 Tripod*

19 Laser viewing glasses*

20 Laser target plate*

* The accessories illustrated or described are not included as

standard delivery.

** Keep button pressed to call up the extended functions.

Display Elements

a Measured-value lines

b Result line

c Measuring functions

d Laser, switched on

e Measurement reference level

f Temperature warning

g Battery low indicator

h “ERROR” indication

Assembly

Inserting/Replacing the Battery

Using alkali-manganese or rechargeable batteries is recom-

mended for operation of the measuring tool.

Less measurements are possible when using 1.2 V recharge-

able batteries than with 1.5 V batteries.

To open the battery lid 10, press the latch 16 and remove the

battery lid. Insert the batteries/rechargeable batteries. When

inserting, pay attention to the correct polarity according to

the representation on the inside of the battery compartment.

When inserting the batteries/rechargeable batteries, pay at-

tention to the correct polarity according to the representation

on the inside of the battery compartment.

When the battery symbol appears for the first time on the

display, at least 100 individual measurements are still possi-

ble. The continuous measurement mode is deactivated.

When the battery symbol flashes, the batteries/recharge-

able batteries must be replaced. Measurements are no longer

possible.

Always replace all batteries/rechargeable batteries at the

same time. Do not use different brands or types of batter-

ies/rechargeable batteries together.

f Remove the batteries/rechargeable batteries from the

measuring tool when not using it for longer periods.

When storing for longer periods, the batteries/rechargea-

ble batteries can corrode and discharge themselves.

Operation

Initial Operation

f Do not leave the switched on measuring tool unattend-

ed and switch the measuring tool off after use. Other

persons could be blinded by the laser beam.

f Protect the measuring tool against moisture and direct

sun light.

f Do not subject the measuring tool to extreme tempera-

tures or variations in temperature. As an example, do

not leave it in vehicles for longer periods. In case of large

variations in temperature, allow the measuring tool to ad-

just to the ambient temperature before putting it into oper-

A) The working range increases depending on how well the laser light is reflected from the surface of the target (scattered, not reflective) and with in-

creased brightness of the laser point to the ambient light intensity (interior spaces, twilight). In unfavourable conditions (e.g. when measuring out-

doors at intense sunlight), it may be necessary to use the target plate.

B) For measurements from the rear measuring-tool edge. In unfavourable conditions (e. g. at intense sunlight or an insufficiently reflecting surface),

the maximum deviation is

±10 mm per 50 m. In favourable conditions, a deviation influence of ± 0.05 mm/m must be taken into account.

C) In the continuous measurement function, the maximum operating temperature is +40 °C.

D) Less measurements are possible when using 1.2 V rechargeable batteries than with 1.5 V batteries. The battery life listed refers to measurements

without display illumination.

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 13 on the type plate.

Length measurement

Continuous measurement

Area/surface measurement

Volume measurement

Simple Pythagoras Measurement

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Bosch GML 50 Professional User Manual Page 13

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