Manual Bosch GCL 2-50 G (page 17 of 266) (All languages)

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English | 17

If the batteries are almost empty, the battery indicator(2)

will flash continuously. The laser lines will flash for 5seconds

every 5minutes.

If the batteries are empty, the laser lines and the battery in-

dicator will flash once before the measuring tool switches

off.

Always replace all the batteries at the same time. Only use

batteries from the same manufacturer and which have the

same capacity.

uTake the batteries out of the measuring tool when you

are not using it for a prolonged period of time. The bat-

teries can corrode and self-discharge during prolonged

storage in the measuring tool.

Operation

Starting Operation

uProtect the measuring tool from moisture and direct

sunlight.

uDo not expose the measuring tool to any extreme tem-

peratures or fluctuations in temperature. For example,

do not leave it in a car for extended periods of time. If it

has been subjected to significant fluctuations in temper-

ature, first allow the measuring tool to adjust to the ambi-

ent temperature and then always carry out an accuracy

check before continuing work (see "Accuracy Check of

the Measuring Tool", page18).

The precision of the measuring tool may be compromised

if exposed to extreme temperatures or fluctuations in

temperature.

uAvoid substantial knocks to the measuring tool and

avoid dropping it. Always carry out an accuracy check

before continuing work if the measuring tool has been

subjected to severe external influences (see "Accuracy

Check of the Measuring Tool", page18).

uSwitch the measuring tool off when transporting it.

The pendulum unit is locked when the tool is switched off,

as it can otherwise be damaged by big movements.

Switching On/Off

To switch on the measuring tool, slide the on/off switch (4)

to the "On" position. As soon as it is switched on, the meas-

uring tool emits laser beams from the outlet apertures (1).

uDo not direct the laser beam at persons or animals and

do not stare into the laser beam yourself (even from a

distance).

The measuring tool can be used with a laser receiver(19) at

any time.

To switch off the measuring tool, slide the on/off switch (4)

to the Off position. The pendulum unit is locked when the

tool is switched off.

uNever leave the measuring tool unattended when

switched on, and ensure the measuring tool is

switched off after use. Others may be blinded by the

laser beam.

If the maximum permitted operating temperature of 45 °C is

exceeded, the tool shuts down to protect the laser diode.

Once it has cooled down, the measuring tool is operational

again and can be switched back on.

Automatic shut-off

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

120min, the measuring tool will automatically switch itself

off to preserve battery life.

To switch the measuring tool back on after it has been auto-

matically switched off, you can either slide the on/off

switch(4) to the "Off" position first and then switch the

measuring tool back on, or press the laser operating mode

button(3).

To deactivate the automatic shut-off function, hold down the

laser mode button (3) for at least 3s (with the measuring

tool switched on). If the automatic shut-off function is deac-

tivated, the laser beams will flash briefly as confirmation.

Note: If the operating temperature exceeds 45°C, automatic

shut-off can no longer be deactivated.

To activate the automatic shut-off function, switch the meas-

uring tool off and on again.

Operating Modes

The measuring tool has several operating modes, which you

can switch between at any time:

–Cross-line and point mode (seefigureA): The measuring

tool generates a horizontal and a vertical laser line facing

forwards as well as two vertical laser points – one facing

up, the other down.

–Horizontal operation (seefigureB): The measuring tool

generates a horizontal laser line.

–Vertical operation (seefigureC): The measuring tool

generates a vertical laser line.

If the measuring tool is positioned in the room, the ver-

tical laser line is displayed on the ceiling beyond the up-

per laser point.

–Point mode: (seefigureD): The measuring tool generates

two vertical laser points – one facing up, the other down.

To change the operating mode, press the button for laser op-

erating mode(3) as often as required until the laser beams

are generated in the required operating mode.

All operating modes can be used with both automatic level-

ling and the incline function.

All operating modes are suitable for operation with the laser

receiver(19).

Automatic Levelling

The measuring tool monitors the position at all times during

operation. It works with automatic levelling during set-up

within the self-levelling range of ±4°. Outside of the self-lev-

elling range, it will automatically switch to the incline func-

tion.

Working with automatic levelling (seefiguresA–D)

Position the measuring tool on a level, firm surface or attach

it to the rotating mount(11) or the tripod(21).

Bosch Power Tools 1 609 92A 7LT | (28.04.2022)

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Bosch GCL 2-50 G Manual

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