5
BATTERIES
The NL540 used Li-ion batteries that can be recharged.
Insert the charger into the charging socket of the
instrument or the battery pack. Turn on the power. The
charger will show one of 3 modes.
Red flashing light - battery not charging
Red light
- battery on charge
Green light
- battery charged
If the red light shows check the connection.
If the light is flashing please wait for charging to complete.
Once the green light shows the instrument is fully charged- charging normally takes 7 hours to
give 50 hours of use.
Use lasers NL540 with care, protect from moisture. Never put a wet instrument to the transport
box (wait until dry).
CONTROL PANEL
Description of buttons and functions:
On / off power and switch to manual mode
- Turns on and off
- Longer press of a button - approx. 6 seconds. (when the equipment is turned on) enables /
disables the manual mode. The equipment in manual mode can be tilted (beyond self-levelling)
On/Off
Automatic/Manual
Grade Mode
X/Y axis switch
(+) Add
value
(-) Decrease
value
Battery
condition
Manual
mode
Leveling
Alert
Auto leveling
mode
Inclination mode
Inclination
value (X/Y)
Rotation speed
