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2.8 Rotor Head

  

Rotor speed adjustable from 600 - 1000 rpm.

2.13 Handle

  

For easy handling, safe transport and simple set-
up.

2.2  Inclination Symbol

 

Enables clear inclination assignment. 
The +/- and X/Y symbols indicate the inclination. The + ranges are 
light and the - ranges dark.
The symbol also shows the change in inclination relative to the 
centre axis.

2.12 Laser Warning Sign

 

Laser

 

class 2, P

P

 < 2.6 mW

2.15 Keyboard

  

Clear layout. User-friendly, self-explanatory keys.

2.6  LCD-Display

  

Clearly legible, illuminated display for on/off, company data, device 
data, rotor speed, X/Y inclination, duty type and battery level.

2.5  Bulging GroundArea, niro St.

  

Central fastening thread 5/8“.

2.4  Charging Socket

Behind the dust guard cap.

2.11 Robust Light Metal Housing

  

Plastic-coated, swept and filled with nitrogen, 
100 % watertight.

2.9 Box Level

  

Aid for set-up, for observation from above.

2.14  Antenna

Automatik-Kanalbau-Laser 
KL-80/-81

3.

Buttons

=   3.1  On/Off Button

2.3  Clipp-Spring Clamp

  

For the protective cap of the aiming device.

2.16 Rotation Axis with Fine Adjustment Screws

(optional NL-9/-9V)

  

Central fastening thread 5/8“.

    

Turn screws:
apart    

= loosen fastening

in the same direction

= adjust direction

in opposite direction  

= fasten

NL-9V

NL-9

NL-8

The aiming telescope is located under a protective cap 
and is used for the quick alignment of the inclination 
axis in all four directions, also when sighting in 
different heights. The NL-9V is equipped with an 
optical sighting device.

NL-9V

NL-9

NL-8

2.10  Antenna Lock

4 - 17

5 - 17

6 - 17

2.  Device Description

    

2.1 Function

 

The lasers are equipped with a radio transmitter and radio receiver 
for the data transfer between FB-10 remote control and FE-53 
locking receiver.

The automatic 2-axis inclination lasers, type NL-8/-9/-9V are all-
round lasers capable of electronic self-levelling over two axes. 
They project a light plane as reference plane into space, 
horizontally, with single or double inclination up to steep 
inclination.

NL-8

OK

Menu

-

NL-9V

Two-Axis Inclination Laser
NL-9V, NL-9, NL-8

B-

F

10

1.  Set-up, Alignment

Select the reference point and aiming
point to align the inclination axis. 
Set up the laser on top of the
reference point and aim it at the
target point.

   

Adjust the inclination if necessary.

  

Note:

Before starting work, especially in the
case of steep inclines, check and 
adjust the inclination and inclination
assignment via fixing points or by 
surveying measuring. 

-9

NL

=   3.2  

=     3.3   X Inclination Setting

or

+

=     3.4   X Inclination Setting   to Zero

The inclination value is set to 0.000 % by pressing the two arrow buttons at the 
same time.

or

=   3.5  Y Inclination Setting

=   3.6  Y Inclination Setting to 

Zero

+

3.7  Quick Setting

In addition to the respective arrow buttons also press the On/Off button.

Menu

OK

Pressing the arrow buttons briefly changes the inclination value by 0.001 %. 
The value is changed with increasing speed if the button is kept pressed.

The inclination value is set on 0.000 % by pressing the two arrow buttons at the 
same time.

By the laser range deactivation the masking of laser beam is possible at up to 3 
optional sides.
When the laser range symbol is blinking, one side can be switched off/on by 
pressing an arrow button.

    

Please note:

 No symbol line, no laser beam.

or

=   3.9 Beam masking

(to activate see 

4.4

)

or

laser beam 360°

(completely available)

laser beam 180°
( antenna 
side available)

Laser 

area-icon

Laser top view

Arrow Buttons - Release
Select - Confirm

=     3.8 Grade swap: minus or plus

(to activate see 

4.6

)

or

6
10

5

7 - 17

8 - 17

9 - 17

1

2

This means the laser is switched off automatically as a precautionary 
measure in the event of a jerky movement (bump). The 

T

 then begins to 

blink. The laser must be switched on again and the positioning checked 
and corrected if necessary.

    

= F

: Kick guard switched off.

Select laser range deactivation.

= Laser range deactivation off (factory default).

    

= Laser range deactivation on.

    

= Laser range deactivation on is stored even after the laser is 

switched off. 

   

4.5 Inclination value display in % or ‰

Select between % or ‰ indicator.

=

     

Setting of Rotor Speed

With the arrow buttons from 600 to 1000 rpm.

   

=

600 rpm

    

=

1000 rpm (

4.8 Radio Control On/Off

    

Is required for the operation of the remote control FB-10 or the
locking receiver FE-53.

   

=

off (energy-saving mode)

   

=

on (

)

        

4.9 Laser Power

    

The laser power can be regulated in 5 steps.
approx. 1 =  0.5 mW, 2 = 1 mW, 3 = 1.5 mW, 4 = 2 mW and

 

=  <  2.6 mW  (

)

  

4.10 Laser Beam Modulation Mode

    

Laser beam and laser beam symbol at the operating mode 

=

display blink when levelling (

).

    

=

Laser beam is off when levelling.
However the symbol blinks at the operating mode display.

   

4.11 F

=

All set to factory defaults.

   

4.12 Service/Workshop Notice

   

First off all a phone no. for service/help appears. Then authorized 
personnel can put in a numerical code to come to the adjustment 
mode.

actory defaults

4.4 Beam masking

 (see 

3.9

)

   

factory defaults

4.6 Grade swap

    

It is possible to transfer the inclination i. e. of a roof profile from
one side to the other.

    

4.7 

    

factory defaults

   

factory defaults

factory defaults

factory defaults

actory defaults

   

   

    

    

=

on. When setting the inclination, + or - can be selected and 
then inverted.

=

off (factory default)

   

Please note: 

Setting only possible in a range of ± 5 %.

5. Inclination Measurement Parallel to Ground

     

Even if the inclination is unknown, it can simply be adapted to the ground.

Scanning Locking Receiver
Direction arrow
alternately 

OFF

 or

inclination value

  

  
Radio control with FE-53:
    connected
    connected and laser reception
    disconnected

5.1. Operating Instructions

    

Mount laser above the reference point and align the X inclination axis to the 
aiming point.
Adjust banking in the Y axis.
Measure laser construction height with the locking receiver FE-53 and a 
levelling rod. Transfer this height to the aiming point.
Release the automatic scan with the A button of the receiver.
The light plane is now automatically directed within typically 2 min./max. 5 
min. to the centre of the receiver and locked there.
The LEDs at the FE-53 are blinking alternately. On the display 

OFF

 and the 

approx. inclination value are shown alternately.
Now the FE-53 can be removed abruptly off the laser light plane and switched 
off. After approx. 30 seconds the exact inclination value is shown on the 
display and automatically locked. The % symbol is blinking.

   

Alternatively the FE-53 can be mounted permanently to realize a long-term 
fixing of the laser light plane.

       

Please note:

Never operate the remote control or inclination setting at the 
laser in this mode because by this the laser light plane is 
moved. 
Precondition is an established radio link to the FE-53, indicated 
by the symbol on the LCD display.

5.2 Display Inclination Measurement

10 - 17

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Reference
Point

Aiming Point

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 ...

Operating Instructions

Congratulations on your new GEO laser

This operating instructions contain enclosed in addition to 
information on how to use the laser 

important safety 

information

.

First read the safety instructions on the
supplement page 

 and then the operating 

instructions carefully before using the laser.

    

 

  

Please note:

1 - 3

Date  12/2015                                                                                                                            Subject to change

A

= Automatic levelling 

Sensivity
Kick guard

Percent / Per mil

U

 = Grade swap

D

= Rotor speed

K

= Radio control

Laser power
Duty type - laser beam
Factory defaults

Service/workshop information

E

=

T

=
= Beam masking 

P

=

L

=

B

=

W

=

S

=

on/off

1

 - 

5

 : 

on/off
6 - 10 

= 600 to 1000 rpm

off/on
%

 or 

off/on
off/on
1

 - 

3

 = approx. 5 - 15 mm/100 m

Laser blinks when levelling
Laser off when levelling

1

 = 0.5 mW, 

5

 < 2.7 mW

on/off

1   2   3   4  

6   7

   

8       9  10 11 12

5

Factory defaults

Factory defaults

 1/4     1/2     3/4    full

Beam masking 

symbol (see 

4.4

)

Scan gradient measurement (see 

5.

)

Algebraic sign

  

Status symbols

Initialising
Adjusting inclination
Inclination adjustment finished
Power saving mode

    

T Kick guard active (see 

4.3

)

T Blinks after jerky movement

Laser beam off  

    

Power supply
indicator
Laser beam symbol:

Laser blinks when levelling
Laser off when levelling
Laser + rotor off with FB-10

 

Percent sign (see 

4.5

)

inclination value, x/y axis
Rotor speed (see 

4.7

)

Press the Wahl/OK button to select and to activate the settings for X/Y inclina-
tion, beam masking, if necessary (see 

3.9

) and grade swap (see 

3.8

). 

The activated item blinks.
If, after setting the speed, the button is pressed again or a time of about 20 
seconds passes, the adjustment guard is reactivated automatically. This means 
the arrow buttons do not work.

Pressing the arrow buttons briefly changes the inclination value by 0.001 %. 
The value is changed with increasing speed if the button is kept pressed.

The device is switched on by pressing this button. 
The device and company data are then shown, followed by the operating display 
with the last settings.
The device is then levelled and referenced on the zero point automatically. After the 
levelling phase the laser beam and laser beam symbol stop blinking. If this does not 
happen, the device must be moved into the levelling range by tilting it forwards. 
The display illumination switches off after approx. 30 seconds automatically. The 
illumination is switched on again by pressing the On/Off button shortly.

To switch off the device, press the On/Off button until “Auf Wiedersehen !” appears.

The arrow buttons keep locked for reasons of unintended settings. The release is 
made by pressing the menu/OK button.

4.

Device Settings

Menu

OK

=  Select Menu Level

Keep the button pressed until the adjustment menu is shown.

Changing the Factory Defaults

or

or

=     Back to Operating Display

=   Select Letter

=   Change Settings

The selected letter begins to blink.

4.1 

   

= Automatic levelling switched on   (factory defaults)

  

= A
On the display appears in front of the 

X

 an 

S

 and behind the 

X

 and 

Y

 

OFF

.

factory defaults

Automatic Levelling Cut-Out

utomatic self-levelling cutted out

   

Now any required inclination can be adjusted by fixed points.
For electromotive fine/coarse adjustment of the laser  beam, push the 
respective arrow buttons. Longer pushing changes the direction with 
increasing speed.

    

4.2 Sensitivity Setting   Wind/Vibration 

The self-levelling function corrects even the smallest deviation. 
Additionally the laser beam and the laser beam symbol at the operating 
mode display blink when the limit values of step 1 to 3 are exceeded, i. e. 
by influence of wind and/or vibration. 

  

1 = 0.005 % no effect
2 = 0.010 % weak effect ( 

)

3 = 0.015 % strong effect

  

4.3 Kick Guard (Automatic Laser Beam Cut-Out)

=  Kick guard switched on. It is only active after 30 sec. Then a 

appears

in front of the battery symbol at the operating mode display

 

.

6.

Power Supply

7.4 V DC internal lithium ion rechargeable battery or 12 V DC external 
rechargeable battery via connection cable 0117.02.

6.1 Battery Charging

Carry out charging only with the power and charging unit, type NE-80 or 
a 12 V DC external rechargeable battery via connection cable 0117.02.

Keep charger dry and only use in rooms.

For charging take the laser out of the transport case.

Permissible charging temperature 0° C to + 40° C, as best + 10° C to + 25° C.

After approx. 5 hours the charging time is finished. The display turns off or 
the battery symbol shows a full battery. 

Low ambient temperatures reduce the running time, high temperatures 
reduce the battery life.

Damaged batteries must be disposed.

2.7 Sighting Device NL-9V. Aiming Device NL-9/-8

or automatically after 25 seconds.

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