Bosch GRL160DHV - Dual-Axis Self-Leveling Rotary Laser Wartungshandbuch PDF herunterladen (Seite 12)

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In this case, bring the tool to the level

position and wait for the self-leveling to take

place. As soon as the tool is within the self-

leveling range of ±6° respectively, the tool

stops beeping, the LED turns green, and the

laser beams stop flashing.

In case of ground vibrations or position

changes during operation, the tool is

automatically leveled in again. To avoid

errors by moving the tool, check the position

of the laser beams with regard to the

reference points upon re-leveling.

The GRL160DHV rotary laser tool has two

basic operating modes for both the

Horizontal and Vertical laser beams. These

modes are the Rotation Mode and the Line

Dithering/Scan Mode.

Rotation Mode

The laser beam is dispersed throughout the

level or plumb plane. Rotation mode is used

under conditions where laser beam visibility

is poor or nonexistent (for example, outdoors

in daylight). It is not always possible to easily

see a rotating laser beam. A laser receiver-

detector makes it possible to detect and

correctly position the rotation mode indoors

or outdoors. The Rotation Mode is the default

mode when the tool is turned on.

When the laser is first turned on, it is rotating

at 350 rpms. Press the keypad rotation mode

button 27 (Horizontal laser beam) or button

33 (Vertical laser beam) to cycle through the

medium and fast speeds, then back to slow

speed. Decrease speed to improve laser

beam visibility, especially for indoor

applications.

Note: To enter rotation mode from line

dithering/scan mode, press the keypad

rotation mode button.

Line Dithering/Scan Mode

The dithering line is a laser dot that moves

rapidly back and forth (dithers), producing a

shorter, beam that is brighter than beams in

the rotation mode. Because of the brighter

laser beam in the dithering mode, a laser

receiver-detector may not be required. The

dithering line length can easily be changed

according to application requirements in

either the level or plumb applications. The

line dithering/scan mode is normally used for

indoor applications.

A choice of six dithering line lengths are

available. The laser beam is less visible at

the longer line length. In some situations, it

may be necessary to use a laser receiver-

detector to accurately locate

the beam.

When the laser is first turned on, it is rotating

at 350 rpms. To enter Line Dithering/Scan

Mode, press the keypad Line Dithering/Scan

Mode button 24 (horizontal laser beam) or 30

(vertical laser beam). Continue pressing the

Line Dithering/Scan Mode buttons to cycle

through six different line lengths. The laser

line dither can be positioned through a 360°

range in the level or plumb plane by pressing

the line position control buttons 23 or 25

(horizontal laser line) or buttons 29 or

31(vertical laser line).

Vertical Laser Beam Alignment

During rotational operation, the vertical laser

beam can be aligned on the rotational axis

(X-axis) within the range of ± 2,5°. The

default setting is vertical to the

rotational axis.

1. Press the respective button 32 until the

requested alignment is reached.

Note: If the setting range is exceeded, the

tool emits an audio signal until the laser

beam is returned back within the permitted

setting range.

Working Advice

• Always use the center of the laser point for

marking. The size of the laser point

changes with the distance.

• Working with the remote control. When

pressing the operating controls it is

possible to bring the tool out of its level

position, so that the rotation is briefly

interrupted. This effect can be prevented

by applying the laser receivers’

Remote-control function.

When working with the remote control, pull

the antenna out of the laser receiver.

Operating Modes - Rotation and Line Dithering/Scan Mode

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 55 56

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