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8
Button for clearing the internal memory /
On/Off **
9
Positioning pin
10
Button for selection of the reference level
11
Plus button
12
Button for length, area and volume measure-
ment
13
Charge socket cover
14
Socket for charge connector
15
Fixture for carrying strap
16
Laser beam outlet
17
Reception lens
18
Serial number
19
1/4" thread
20
Laser warning label
21
Charge connector
22
Battery charger
23
Protective pouch
24
Measuring rail
25
Locking lever for measuring rail
** Keep button pressed to call up the extended func-
tions.
Display Elements
a
Measured-value lines
b “ERROR”
indication
c
Result line
d
Digital vial / position of measured-value list
entry
e
Measured-value list indicator
f
Measuring functions
g
Battery charge-control indicator
h
Laser, switched on
i
Measurement reference level
k
Temperature warning
Assembly
Battery Charging
Do not use a different battery charger.
The bat-
tery charger provided is matched to the lithium
ion battery installed in your measuring tool.
Observe the mains voltage!
The voltage of the
power source must correspond with the data on
the type plate of the battery charger.
Note:
The battery is supplied partially charged. To
ensure full capacity of the battery, completely
charge the battery in the battery charger before us-
ing your power tool for the first time.
The lithium ion battery can be charged at any time
without reducing its service life. Interrupting the
charging procedure does not damage the battery.
When the bottom segment of the battery charge-
control indicator
g
flashes, only a few more meas-
urements can be carried out. Charge the battery.
The charge procedure begins as soon as the mains
plug of the battery charger is plugged into the
socket outlet and the charge connector
21
is
plugged into socket
14
.
The battery charge-control indicator
g
indicates the
charging progress. During the charging procedure,
the segments flash one after the other. When all
segments of battery charge-control indicator
g
are
displayed, the battery is completely charged.
Disconnect the battery charger from the mains
supply when not using it for longer periods.
The measuring tool cannot be used during the
charging procedure.
Protect the battery charger against moisture!
Recommendations for Optimal Handling of the
Battery
Store the battery only when within the allowable
temperature range, see “Technical Data”. As an ex-
ample, do not leave the battery in a vehicle in sum-
mer.
A significantly reduced working period after charg-
ing indicates that the battery is used and must be
replaced.
Observe the notes for disposal.
Operation
Initial Operation
Do not leave the switched on measuring tool
unattended and switch the measuring tool off
after use.
Other persons could be blinded by the
laser beam.
Length measurement
Area/surface measurement
Volume measurement
Continuous measurement
Indirect height measurement
Double indirect height measurement
Indirect length measurement
Timer function
Wall-surface measurement
Grade measurement
OBJ_BUCH-1840-002.book Page 41 Tuesday, July 23, 2013 3:52 PM
