Bosch GRL145HV Consignes De Fonctionnement/Sécurité page 7

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detector range .Up to 50m radius from laser
Detection angle . . . . . . . . . +/- 40 degrees X
Dead Band . . . . . .Less than 10mm @ 100m
Precision setting . .Course: +/- 3mm @ 10m
Initial Operation
• Protect the tool against moisture and
direct sun irradiation.
• Do not subject the tool to extreme
temperatures or variations in
temperature.
As an example, do not leave it in vehicles
for longer periods. In case of large
variations in temperature, allow the tool to
adjust to the ambient temperature before
putting it into operation. In case of extreme
temperatures or variations in temperature,
the accuracy of the tool can be impaired.
• Avoid heavy impact or and prevent the
tool from falling. After heavy exterior
impact on the tool, an accuracy check
should always be carried out before
continuing to work (see
"Leveling Accuracy").
• Switch the tool off during transport.
Switch off the leveling unit, which can be
damaged in the case of intense movement.
Turning on the Tool
1. Place the tool either horizontally or vertically
on a flat surface, or set it on a standard
surveyor's tripod, using the built-in 5/8- 11
tripod mount (located on the bottom of
the unit).
2. Turn on the tool with its power switch. The
LED turns to a steady green, indicating that
the unit is on and properly functioning.
3. Press the laser on/off button to turn on the
laser beam.
• ALWAYS turn off the laser and the main
power switch before transporting or storing
the unit.
Power Standby Mode
When commands are not received for 20
minutes, the GRL 145HV automatically enters
the power standby mode to save battery life.
The LED flashes green, once per second, to
indicate power standby mode. The timer is
reset each time a button is pressed. The
power automatically turns off after eight hours
in Power Standby mode.
+/- 30 degrees Y
Fine: +/- 1.5mm @ 10m
Power . . . . . . . . . . . . .1 x 9V alkaline battery
Battery Life . . . . . . . Approximately 2000 hrs.
Please observe the article number on the
type plate of your tool. The trade names of
the individual tools may vary.
Operation
When the tool enters power standby mode, it
"remembers" the settings that were in effect,
and returns to these settings when a
command is issued and power returns.
Current settings are not retained when power
is turned off with the main power switch.
• To override power standby mode, press
and hold the on/off button for three
seconds. The unit emits a beep and two
"chirps," confirming that automatic power
standby is disabled. After automatic power
standby is disabled, the unit continues to
operate for a maximum period of
eight hours.
• To re-enable automatic power standby,
press and hold the keypad Laser on/off
button for three seconds. A beep and a
single "chirp" confirm the command.
Working with Automatic Leveling
Position the tool on a level and firm support,
or attach it to the tripod 26.
After switching on, the automatic leveling
function automatically compensates
irregularities within the self-leveling range up
to ±6°. The leveling is finished as soon as
the tool stops beeping, the LED turns green,
and the laser beams stop flashing.
If the automatic leveling function is not
possible, e.g. because the surface on which
the tool stands deviates by more than 6° the
tool beeps, the LED flashes red once per
second, and the laser beams flash once
per second.
In this case, bring the tool to the level
position and wait for the self-leveling to take
place. As soon as the tool is within the self-
leveling range of ±6° respectively, the tool
stops beeping, the LED turns green, and the
laser beams stop flashing.
In case of ground vibrations or position
changes during operation, the tool is
automatically leveled in again. To avoid
errors by moving the tool, check the position
of the laser beams with regard to the
reference points upon re-leveling.
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