Bosch GLM 100 C Professional Manual Original página 17

OBJ_BUCH-2166-001.book Page 17 Wednesday, March 5, 2014 2:16 PM
Accuracy Check of the Distance Measurement
The accuracy of the distance measurement can be checked as
follows:
– Select a permanently unchangeable measuring section
with a length of approx. 1 to 10 metres; its length must be
precisely known (e.g. the width of a room or a door open-
ing). The measuring distance must be indoors; the target
surface for the measurement must be smooth and reflect
well.
– Measure the distance 10 times after another.
The deviation of the individual measurements from the mean
value must not exceed ±2 mm (max.). Log the measure-
ments, so that you can compare their accuracy at a later point
of time.
Working with the Tripod (Accessory)
The use of a tripod is particularly necessary for larger distanc-
es. Position the measuring tool with the 1/4" thread 19 onto
the quick-change plate of the tripod 29 or a commercially
available camera tripod. Tighten the measuring tool with the
locking screw of the quick-change plate.
Set the corresponding reference level for measurement with
a tripod by pushing button 10 (the reference level is the
thread).
Working with the Measuring Rail (see figures I–K)
The measuring rail 27 can be used for a more accurate grade
measurement result. Distance measurements are not possi-
ble with the measuring rail.
Place the measuring tool into the measur-
ing rail 27 as shown and lock the measur-
ing tool with locking lever 28. Press the
measuring button 2 to activate the "Meas-
uring rail" operating mode.
Regularly check the accuracy of the grade
measurement by carrying out a reversal measurement or with
the spirit levels of the measuring rail.
In case of greater deviation, the measuring tool must be recal-
ibrated. For this, press and hold the grade measurement but-
ton 3. Follow the directions on the display.
When operating the measuring tool in the measuring rail 27,
data transmission is not possible.
To end the "Measuring rail" operating mode, switch the meas-
uring tool off and remove it from the measuring rail.
Troubleshooting Causes and Corrective
–
Measures
Cause Corrective Measure
Temperature warning indicator (k) flashing; measure-
ment not possible
The measuring tool is outside Wait until the measuring tool
the operating temperature has reached the operating
range from – 10 °C to temperature
+ 50 °C (in the function con-
tinuous measurement up to
+40 °C).
Bosch Power Tools
Cause Corrective Measure
"ERROR" indication in the display
Addition/Subtraction of Only add/subtract measured
measured values with differ- values with the same units of
ent units of measure measure
The angle between the laser Enlarge the angle between the
beam and the target is too laser beam and the target
acute.
The target surface reflects Work with the laser target
too intensely (e.g. a mirror) plate 31 (accessory)
or insufficiently (e.g. black
fabric), or the ambient light
is too bright.
The laser beam outlet 18 or Wipe the laser beam outlet 18
the reception lens 17 are and/or the reception lens 17
misted up (e.g. due to a rapid dry using a soft cloth
temperature change).
Calculated value is greater Divide calculation into inter-
than 1 999 999 or smaller mediate steps
2 3
than –999 999 m/m /m .
Indication ">60 °" or "<–60 °" on the display
The inclination measuring Carry out the measurement
range for the measuring within the specified angle
mode and/or the reference range.
plane has been exceeded.
"CAL" and "ERROR" indication in the display
The calibration of the grade Repeat the calibration accord-
measurement was not car- ing to the instructions on the
ried out in the correct se- display and in the operating
quence or in the correct posi- instructions.
tions.
The surfaces used for the cal- Repeat the calibration on a
ibration were not accurately horizontal or vertical surface;
aligned (horizontal or verti- if required, check the surface
cal). first with a level.
The measuring tool was Repeat the calibration and
moved or tilted while press- hold the measuring tool in
ing the button. place while pressing the but-
ton.
Battery charge-control indicator (g), temperature warn-
ing (k) and "ERROR" indication in the display
Temperature of the measur- Wait until the charge-temper-
ing tool not within the allowa- ature range is reached.
ble charge-temperature
range
Battery charge-control indicator (g) and "ERROR" indi-
cation in the display
Battery charging voltage not Check if the plug-in connec-
correct tion has been established cor-
rectly and if the battery charg-
er is operating properly.
When the unit symbol is flash-
ing, the battery is defective
and must be replaced by a
Bosch after-sales service.
English | 17
2 609 141 158 | (5.3.14)