self-discharge during prolonged storage in the
laser level.
Changing the batteries/rechargeable battery
(see figure A)
To replace the batteries/rechargeable battery,
move the locking mechanism (2) of the battery
compartment cover into position
battery compartment cover (1).
Insert either a charged rechargeable battery (25)
or the battery adapter (23) with fitted batteries into
the battery compartment until you feel it click into
place.
To remove the rechargeable battery (25) or bat-
tery adapter (23), press the release button (24)
and pull the rechargeable battery or battery
adapter out of the battery compartment. Do not
use force to do this.
Close the battery compartment cover (1) and
move the locking mechanism (2) into position .
Battery Charge Indicator
The battery charge indicator (d) will indicate the
state of charge of the batteries/rechargeable bat-
teries on the display:
Indicator Capacity
60 − 100%
30 − 60%
5 − 30%
0 − 5%
If the batteries or rechargeable bat-
tery are empty, a warning message
will appear for a few seconds and the
status display (12) will flash red
quickly. The laser level will then switch itself off.
GRL4000-90CHVG 10-21.indd 18
Remote control power supply
Using alkali-manganese batteries is recom-
mended to operate the remote control.
Turn the locking mechanism (38) of the bat-
tery compartment cover into position
using a coin). Open the battery compartment
cover (40) and insert the batteries.
and open the
When inserting the batteries, ensure that the
polarity is correct according to the illustration
on the inside of the battery compartment.
Close the battery compartment cover (40)
and turn the locking mechanism (38) of the
battery compartment cover into position .
u Remove the batteries from the remote
control when not using it for longer pe-
riods. The batteries can corrode and self-
discharge during prolonged storage in the
remote control.
Note: The Bluetooth® function remains active
as long as batteries are fitted in the remote
control. The batteries can be removed in or-
der to prevent energy consumption by this
function.
-18-
(e.g.
10/20/21 3:23 PM