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Bosch GAM 270 MFL Manual

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English | 19
Digital angle and grade measuring device GAM 270 MFL
IP 54 (dust and splash-proof) ●
A) The working range may be reduced by unfavourable environmental conditions
(e.g. direct sunlight).
B) Only non-conductive deposits occur, whereby occasional temporary conductivity
caused by condensation is expected.
C) Operating duration without laser
The serial number(13) on the type plate is used to clearly identify your measuring tool.
Assembly
Inserting/Replacing Batteries (seefigureA)
It is recommended that you use alkaline manganese or rechargeable batter-
ies to operate the measuring tool.
To open the battery compartment cover(5), press the locking
mechanism(6) and fold the battery compartment cover up. Insert the bat-
teries/rechargeable batteries.
When doing so, ensure that the polarity is correct and corresponds to the
diagram on the battery compartment cover.
Battery Indicator
The battery indicator(b) always indicates the current battery status:
Indicator Capacity
90–100 %
60–90 %
30–60 %
10–30 %
0–10 %
The empty battery indicator flashes. You can measure for ap-
proximately another 15–20min from when the flashing begins
until the tool shuts down.
Always replace all the batteries at the same time. Only use batteries from the
same manufacturer and which have the same capacity.
uTake the batteries out of the measuring tool when you are not using it
for a prolonged period of time. The batteries can corrode and self-dis-
charge during prolonged storage in the measuring tool.
uMake sure to switch the laser off before changing the batteries. An
accidentally switched on laser can blind other persons.
Mounting the Leg Extension
Slide the leg extension(21) from the front onto the fold-out leg(1). Slide
the leg extension as far as possible over the joint of the measuring tool.
Operation
Starting Operation
uProtect the measuring tool from moisture and direct sunlight.
uDo not expose the measuring tool to any extreme temperatures or
variations in temperature. For example, do not leave it in a car for ex-
tended periods of time. In case of large variations in temperature, allow
the measuring tool to adjust to the ambient temperature before putting it
into operation. The precision of the measuring tool may be compromised
if exposed to extreme temperatures or variations in temperature.
uKeep the supporting surfaces and contact edges of the measuring
tool clean. Protect the measuring tool against shock and impact. Dirt
particles or deformations can lead to faulty measurements.
uAvoid hard knocks to the measuring tool or dropping it. Always carry
out an accuracy check before continuing work if the measuring tool has
been subjected to severe external influences (see "Accuracy Check and
Calibration of the Measuring Tool", page23).
Switching On and Off
uNever leave the measuring tool unattended when switched on, and
ensure the measuring tool is switched off after use. Others may be
blinded by the laser beam.
To switch on the measuring tool, press the on/off button(14).
If the indicator H (a) lights up, a value from the last measurement is still
saved. This value can be deleted by briefly pressing the on/off button(14).
To switch off the measuring tool, press the on/off button(14).
When no activity is performed on the measuring tool for approx. 30min, the
measuring tool automatically switches off to save the batteries.
Aligning with the Spirit Levels
The measuring tool can be aligned horizontally with spirit level(9) and ver-
tically with spirit level(10).
The measuring tool can also be used as a carpenter’s spirit level for checking
vertical and horizontal lines. For this, place or hold the measuring tool
against the surface subject to checking.
Bosch Power Tools 1 609 92A 7M1 | (28.04.2022)
… 19 …


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