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Leica DISTO™ D8
The original laser distance meter
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Leica DISTO™ D8
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User Manual
English
Congratulations on the purchase of your Leica DISTO™ D8.
Carefully read the Safety Instructions and the User
Manual before using this product.
The person responsible for the instrument must
ensure that all users understand these directions and
adhere to them.
Contents
Safety Instructions...................................................................... 1
Start-up........................................................................................... 4
Menu functions............................................................................ 6
Operation...................................................................................... 9
Measuring....................................................................................... 9
Functions...................................................................................... 10
Working with BLUETOOTH®.......................................... 15
Appendix...................................................................................... 16
Safety Instructions
Symbols used
The symbols used in the Safety Instructions have the following meanings:
WARNING:
Indicates a potentially hazardous situation or an unintended use
which, if not avoided, will result in death or serious injury.
CAUTION:
Indicates a potentially hazardous situation or an unintended use
which, if not avoided, may result in minor injury and/or in appreciable material, financial and environmental damage.
Important paragraphs which must be adhered to in practice as they
)
enable the product to be used in a technically correct and efficient manner.
Use of the instrument
Permitted use
•Measuring distances
• Computing functions, e. g. areas and volumes
• Storing measurements (BLUETOOTH®)
• Measuring tilts
Prohibited use
• Using the instrument without instruction
• Using outside the stated limits
• Deactivation of safety systems and removal of explanatory and hazard
labels
• Opening of the equipment by using tools (screwdrivers, etc.), as far as
not specifically permitted for certain cases
• Carrying out modification or conversion of the product
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Safety Instructions
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• Use of accessories from other manufacturers without the express
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approval of Leica Geosystems.
• Deliberate or irresponsible behaviour on scaffolding, when using
ladders, when measuring near machines which are running, or near
parts of machines or installations which are unprotected
• Aiming directly into the sun
• Deliberate dazzling of third parties; also in the dark
• Inadequate safeguards at the surveying site (e.g. when measuring on
roads, construction sites, etc.)
Limits of use
See section “Technical Data“.
)
The Leica DISTO™ is designed for use in areas permanently habitable by
humans, do not use the product in explosion hazardous areas or in aggressive environments.
Areas of responsibility
Responsibilities of the manufacturer of the original equipment Leica
Geosystems AG, CH-9435 Heerbrugg (for short Leica Geosystems):
Leica Geosystems is responsible for supplying the product, including the
User Manual and original accessories, in a completely safe condition. (additional language versions can be found at: www.disto.com.)
Responsibilities of the manufacturer of non-Leica
accessories:
The manufacturers of non-Leica accessories for the Leica DISTO™
)
are responsible for developing, implementing and communicating safety
concepts for their products. They are also responsible for the effectiviness
of these safety concepts in combination with the Leica Geosystems equipment.
Responsibilities of the person in charge of the instrument:
WARNING
The person responsible for the instrument must ensure that the
equipment is used in accordance with the instructions. This person is also
accountable for the deployment of personnel and for their training and for
the safety of the equipment when in use.
The person in charge of the instrument has the following duties:
• To understand the safety instructions on the product and the instruc-
tions in the User Manual.
• To be familiar with local safety regulations relating to accident preven-
tion.
• To inform Leica Geosystems immediately if the equipment becomes
unsafe.
Hazards in use
CAUTION:
Watch out for erroneous distance measurements if the instrument is
defective or if it has been dropped or has been misused or modified.
Precautions:
Carry out periodic test measurements. Particularly after the instrument
has been subject to abnormal use, and before, during and after important
measurements.
Make sure the Leica DISTO™ optics are kept clean and that there is no
mechanical damage to the bumpers.
CAUTION:
In using the instrument for distance measurements or for positioning
moving objects (e.g. cranes, building equipment, platforms, etc.) unforeseen
events may cause erroneous measurements.
Precautions:
Only use this product as a measuring sensor, not as a control device. Your
system must be configured and operated in such a way, that in case of an
Safety Instructions
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erroneous measurement, malfunction of the device or power failure due
to installed safety measures (e.g. safety limit switch), it is assured that no
damage will occur.
WARNING:
Flat batteries must not be disposed of with household waste. Care for
the environment and take them to the collection points provided in
accordance with national or local regulations.
The product must not be disposed of with household waste.
Dispose of the product appropriately in accordance with the
national regulations in force in your country.
Always prevent access to the product by unauthorised
personnel.
Product specific treatment and waste management information can be
downloaded from the Leica Geosystems home page at
http://www.leica-geosystems.com/treatment or received from your Leica
Geosystems dealer.
Electromagnetic Compatibility (EMC)
The term "electromagnetic compatibility" is taken to mean the capability of
the product to function smoothly in an environment where
electromagnetic radiation and electrostatic discharges are present, and
without causing electromagnetic interference to other equipment.
WARNING:
The Leica DISTO™ conforms to the most stringent requirements of
the relevant standards and regulations. Yet, the possibility of it causing interference in other devices cannot be totally excluded.
CAUTION:
Never attempt to repair the product yourself. In case of damage,
contact the local dealership.
Use of the product with BLUETOOTH®:
WARNING:
Electromagnetic radiation can cause disturbances in other equipment,
in installations (e.g. medical ones such as pacemakers or hearing aids) and in
aircraft. It can also affect humans and animals.
Precautions:
Athough this product conforms to the most stringent standards and regulations, Leica Geosystem cannot totally exclude the possibility of harm to
people and animals.
• Do not use the product near petrol stations, chemical plants, in areas
with a potentially explosive atmosphere and where blasting takes
place.
• Do not use the product near medical equipment.
• Do not use the product in airplanes.
• Do not use the product near your body for extended periods.
CAUTION:
Never attempt to repair the product yourself. In case of damage,
contact the local dealership.
Laser classification
Integrated distancemeter
The Leica DISTO™ produces a visible laser beam which emerges from the
front of the instrument.
It is a Class 2 laser product in accordance with:
• IEC60825-1 : 2007 "Radiation safety of laser products"
Laser Class 2 products:
Do not stare into the laser beam or direct it towards other people
unnecessarily. Eye protection is normally afforded by aversion responses
including the blink reflex.
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Safety Instructions
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Laser Radiation
Do not stare into the beam
Laser class 2
acc. IEC 60825-1:2007
Maximum radiant power: <1mW
Emitted wavelength: 620-690nm
Beam divergence: 0.16 x 0.6 mrad
Pulse duration: 1 x 10 -9 s
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WARNING:
Looking directly into the beam with optical aids (e.g. binoculars,
telescopes) can be hazardous.
Precautions:
Do not look directly into the beam with optical aids.
CAUTION:
Looking into the laser beam may be hazardous to the eyes.
Precautions:
Do not look into the laser beam. Make sure the laser is aimed above or
below eye level. (particularly with fixed installations, in machines, etc.)
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Labelling
Start-up
Inserting/replacing batteries
See figure {A}
1 Remove battery compartment lid and attach handstrap.
2 Insert batteries, observing correct polarity.
3 Close the battery compartment again. Replace the batteries when the
symbol flashes permanently in the display.
Remove the batteries before any long period of non-use
)
to avoid the danger of corrosion.
We recommend the usage of AA size max. 1,5V lithium batteries
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or rechargable NiMH batteries. The Leica DISTO™ also works
with Alkaline batteries but the battery lifetime will be reduced.
WARNING:
This Leica DISTO™ was delivered with high quality non-rechargable
lithium batteries. Wrong usage of lithium batteries can be hazardous.
Precautions:
• Please do not recharge these batteries.
• Do not mix lithium batteries with other types of batteries.
• Do not use batteries if their casing is damaged.
Position of the product label see last page!
Start-up
Changing the reference point (multifunctional
endpiece)
See figure {B}
The instrument can be adapted for the following measuring situations:
• For measurements from an edge, fold out the positioning bracket until
it first locks in place. See figure {C}.
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• For measurements from a corner, open the positioning bracket until
it locks in place, then push the positioning bracket lightly to the right
to fold it out fully. See figure {D}.
A built-in sensor automatically detects the orientation of the positioning
bracket and adjusts the zero point of the instrument accordingly.
Keypad
See figure {E}:
1 ON / DIST (On/measuring) button
2 Digital pointfinder - button
3 Timer button
4 Plus (+) button
5 Minus (-) button
6 Area / volume button
7 Indirect measurement (Pythagoras) button
8 Trapezium button
9 Functions button
10 Reference button
11 Storage/Memory button
12 Clear/Off button
13 Menu/Equal button
14 Bluetooth button
15 Second function button
16 Indirect measurement with tilt sensor button
Display in normal mode
See drawing {F.1}.
The graphics screen of the measurement window is split into different
areas. Top left is the brightest field, which contains the currently selected
measuring program. Just to the right appears the program submenu, which
shows the measuring programs that can be selected by pressing the same
key the required number of times.
The measurement field contains the individual measurements of the
measuring program with reference to a series of separate distance measurements. Three lines are provided for this. A horizontal line separates the
measurement field and the result bar from one another. A red triangle
indicates whether the selected measuring program has a detailed display
available.
1 Program selection with measurement instructions
2 Program selection submenu
3 Level
4Timer
5 Measurement field
6 Result bar
7 Detailed display
8 Status bar with (Laser ON, Reference plane, Display Long range mode,
Offset, Plus / Minus, Battery status, Bluetooth, 2nd)
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Start-up
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Display in "digital pointfinder" mode
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Digital pointfinder (3x zoom)
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The device has an integral digital pointfinder, which shows the target
directly on the display. The displayed crosshairs allow precise measu-
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rements to be made even though the laser beam is not visible. See drawing
E
{F.2}
The integral coloured digital pointfinder is a great help outdoors and can
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be used in every function. Longer distances and precise measurements on
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detailed surfaces can even be accomplished in bright sunlight without any
problem.
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The 3x zoom allows the image to be magnified to suit the user's requirements.
Press the key to activate the function. Press the key again to
operate in a 1x, 2x or up to 3x zoom view.
The brightness of the camera can be adjusted through 5 levels using the
key or the key.
Parallax errors occur when the digital pointfinder is used on close
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targets, the laser dot may appear dis pla ced in the c ros sha ir. In t his cas e yo u
should rely on the actual laser dot for targeting the object.
See drawing {F.2}
1 Zoom step (1x, 2x, 3x)
2Timer
3 Level (in °)
4Crosshairs
5 Inclination angle
6 Distance tracking value
7 Image
Menu functions
Settings
Various device settings can be made in the menu. A vertical list shows each
entry. In this menu the selection field (cursor) remains stationary and the
list moves in a vertical direction. Starting from the centre of the list, the
priority of list entries starts at the top and fans out clockwise. See drawing
{G}.
The menu contains the following items:
1 Units of measurement (distance)
2 Units of measurement (angle)
3 Display illumination
4Long range mode
5Tripod
6 Beep
7 Offset
8 Digital pointfinder image in black/white
9 Level in status field (in °)
10 Reset
11 Calibrate tilt sensor
Navigation in the menu
The menu allows settings to be customised for a particular user or application.
General description
Press and hold the key to enter the Setup menu.
By pressing the or keys, navigate through the main menu items
in the menu.
Menu functions
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Press the key briefly to enter the submenu of the selected main
menu item.
By pressing the or keys you can make the alterations in the
submenu.
Press and hold the key to accept the settings.
Pressing the button for longer in the menu allows you to quit the
settings function without saving.
Setting the unit for distance measurements
The following units can be set:
Distance Area Volume
1.1 0.0000 m
1.2 0.000 m
1.3 0.00 m
1.4 0.00 ft
1.5 0'00''
1.6 0.0 in
1.7 0
1.8 0.000 yd
1
/
1
/
in
32
32
0.000 m² 0.000 m³
0.000 m² 0.000 m³
0.000 m² 0.000 m³
0.00 ft² 0.00 ft³
0.00 ft² 0.00 ft³
0.00 ft² 0.00 ft³
0.00 ft² 0.00 ft³
0.000 yd² 0.000 yd³
Setting the unit for tilt measurements
The following units can be set for tilt measurements:
Units for tilt
2.1 ± 90.0°
2.2 ± 180.0°
2.3 360.0°
2.4 0.00 %
2.5 0.0 mm/m
2.6 0.00 in/ft
Display illumination ( )
The brightness of the display has six levels of adjustment. Step 6 is the
brightest and step 1 is the darkest setting.
Long range Mode ( )
Unfavourable conditions (strong sunlight or a very weak reflective target
surface) may reduce the range of the device, in spite of this the long range
mode allows you to take measurements over longer distances. The use of
a tripod and measurement initiation by pressing the key are recommended when measurements over 30m are made over longer time periods
in these conditions. (For details see Technical specifications)
The settings are reset when the device is switched off.
)
Measuring with the tripod ( )
The reference point may be adjusted to the tripod mount if the user
requires a measurement from the actual mounting grommit versus the
front or back of the DISTO™. To do this select the symbol in this
menu item. You can switch the reference on the tripod on or off. The
setting can be seen on the display .
We recommend that measurements are initiated using the key
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when using the device on a tripod in order to prevent loss of sharpness.
The settings are reset when the device is switched off.
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Beep ( )
You can switch the beep on or off.
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Menu functions
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Offset ( )
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An offset adds or subtracts a specified value automatically to or from all
measurements. This function allows tolerances to be taken into account
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(e.g. unfinished dimensions compared with finished dimensions). If you
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selected the Offset function in the menu, you can now adjust the value
using the or the key. Pressing the key for longer increases the
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rate of change of the values. When you reach the desired offset value,
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confirm it with the key. The display shows the appropriate symbol
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or for as long as the offset value is set.
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Digital pointfinder image black / white ( )
The display in pointfinder mode can be changed to black / white.
Level in status field ( )
The Level (in °) in status field can be switched on or off.
Reset - returning the instrument to the factory
settings ( )
The instrument has a Reset function. If you select the menu function Reset
and confirm, the device returns to the factory settings and stack and
memory are deleted.
All customised settings and stored values are also lost.
)
Calibrate the tilt sensor ( )
You can calibrate the tilt sensor in the device. Calibration requires two
measurements on a level surface.
Select calibration mode in the menu .
1 Carry out a first measurement on a level surface. The device
confirms the measurement with .
2 Rotate the device horizontally through 180° .
3 Press the key and confirm that the device was rotated through
180°.
4 Press the key and take the second measurement. The device
confirms the measurement with .
The tilt sensor is calibrated.
Menu functions
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Operation
Switching on and off
Switches on the instrument and laser. The display shows the
battery symbol until the next button is pressed.
Pressing this button for longer switches the instrument off.
The instrument switches off automatically after six minutes of
inactivity.
CLEAR button
The last action is cancelled. While making area or volume measu-
rements, each single measurement can be deleted and remeasured in series.
Reference setting
The default reference setting is from the rear of the instrument.
Press this button to take the next measurement from the front edge
. A special beep sounds whenever the reference setting is changed.
After a measurement the reference returns automatically to the default
setting (rear reference). See figure {H}.
Press this button for longer the front reference is set permanently.
Press this button, the rear reference is set again.
Leica DISTO™ D8 LCA782205a gb
Measuring
Single distance measurement
Press to activate the laser. Press again to trigger the distance measu-
rement.
The result is displayed immediately.
Minimum/maximum measurement
This function allows the user to measure the minimum or maximum
distance from a fixed measuring point. It can also be used to determine
spacings. See figure {I}
It is commonly used to measure room diagonals (maximum values) or horizontal distances (minimum values).
Press and hold down this button until you hear a beep. Then slowly
sweep the laser back and forth and up and down over the desired target
point - (e.g. into the corner of a room).
Press to stop continuous measurement. The values for maximum and
minimum distances are shown in the display as well as the last measured
value in the summary line.
Laser continuous ( )
Press and hold down the key when switching on the device until the
character appears permanently in the display and a beep sounds. Every
further press of the key releases a distance measurement.
Press the key and keep it pressed to switch the device and Laser
continuous operation off.
If the laser is in continuous operation mode, the device switches off
)
automatically after 15 minutes.
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Operation
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Functions
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Overview of the program icons
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Measuring program Icon
Simple distance measurement
Area measurement
Volume measurement
Trapezoid measurement
1 (using three distances)
Trapezoid measurement
2 (using two distances
and one angle)
Pythagorean calculation
1
Pythagorean calculation
2
Pythagorean calculation
3
Inclination measurement
Measurement
1 - 2 - 3
Detail display
1 - 2 - 3
Measuring program Icon
(in the same quadrants)
Double
tilt measurement 2
Triangular area measurement
Staking out function
Profile measurement
Measurement
1 - 2 - 3
Detail display
1 - 2 - 3
Addition / subtraction
Distance measuring.
The next measurement is added to the previous one.
The next measurement is subtracted from the previous one.
This process can be repeated as required.
Press this button and the result is then always shown in the summary
line with the previous value in the second line.
The last step is cancelled.
Direct horizontal
distance
Double
tilt measurement 1
Functions
Area
Press once. The symbol appears in the display.
Press this button to take the first length measurement (e.g.
length).
Press it again to take the second length measurement (e.g. width).
The result is shown in the summary row.
Press and hold the key to display the perimeter .
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Volume
Press this button twice. The symbol appears in the display.
Press this button to take the first length measurement (e.g.
length).
Press this button to take the second length measurement (e.g.
width).
Press this button to take the third length measurement (e.g.
height).
The result is shown in the summary row.
Press and hold the button to display additional room information
such as ceiling/floor area , surface area of the walls , circumference .
Trapezium measurement 1
See drawing {J}
Press the key once. The symbol is displayed.
Press the key and take the first length measurement
(e.g. height 1).
Press the key again and take the second length measurement
(e.g. width)
Press the key and take the third length measurement
(e.g. height 2).
The result is shown in the summary row.
Press and hold the key to display additional information about the
trapezium measurement, for example inclination angle , trapezium
area .
Trapezium measurement 2
See drawing {K}.
Press the key twice. This symbol is displayed.
Press the key and take the first length measurement .
Press the key and take the second length measurement and
inclination angle measurement.
The result is shown in the summary row.
Press and hold the key to display additional information about the
trapezium measurement, for example inclination angle , trapezium
area .
Triangular area
The area of a triangle can be calculated by the measurement of three sides.
See drawing {N}.
Press the key once - the triangle symbol appears in the display.
Press the key and measure the first side of the triangle .
Press the key and measure the second side of the triangle .
Press the key and measure the third side of the triangle .
The result is shown in the summary row.
Press and hold the key to display additional information about the
measurement, such as the angle included by the first two measurements and the perimeter of the triangle.
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Functions
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Stake out function
Two different distances (a and b) can be entered into the instrument and
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can then be used to mark off defined measured lengths, e.g. in the const-
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ruction of wooden frames.
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See figure {O}.
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Entering stake out distances:
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Press this button twice and the stake out function symbol appears in
the display .
By using and , you can adjust the values (first a and then b) to
suit the desired stake out distances. Holding the buttons down increases
the rate of change of the values.
Once the desired value (a) has been reached it can be confirmed with
the button.
Value (b) can be entered using and . The defined value (b)
is confirmed with the button.
Pressing the button starts the laser measurement. The display shows
required stake out distance in the summary line between the stake out
point (first a and then b) and the instrument (rear reference).
If the DISTO™ is then moved slowly along the stake out line the displayed
distance decreases. The instrument starts to beep at a distance of 0.1m
from the next stake out point.
The arrows in the display indicate in which direction the
DISTO™ needs to be moved in order to achieve the defined distance
(either a or b). As soon as the staking out point is reached, the symbol
appears in the display.
The function can be stopped at any time by pressing the button.
Indirect measurement
The instrument can calculate distances using Pythagoras’ theorem.
This procedure is helpful, if the distance to measure can not be reached
directly.
Make sure you adhere to the prescribed sequence of measurement:
)
• All target points must be in a horizontal or vertical plane.
• The best results are achieved when the instrument is rotated about a
fixed point (e.g. with the positioning bracket fully folded out and the
instrument placed on a wall) or the DISTO™ is mounted on a tripod.
• The minimum/maximum function can be used - see explanation in
"Measuring -> Minimum/maximum measurement". The minimum value
must be used for measurements at right angles to the target; the
maximum distance for all other measurements.
Indirect measurement - determining a distance using 2
auxilliary measurements
See figure {P}
e.g. for measuring building heights or widths. It is helpful to use a tripod
when measuring heights that require the measurement of two or three
measurements.
Press this button once, the display shows . The laser is switched
on.
Aim at the upper point (1) and trigger the measurement . After
the first measurement the value is adopted. Keep the instrument as horizontal as possible.
Press and hold down this button to trigger continuous measurement
, sweep the laser back and forth and up and down over the ideal target
point.
Press to stop continuous measurement (2). The result is displayed in
Functions
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the summary line, the partial results in the secondary line.
Press and hold the key to display additional information about the
measurement of the angles of the triangle and .
Indirect Measurement - determining a distance using 3
measurements
See figure {Q}
Press this button twice; the display shows the following symbol .
The laser is switched on.
Aim at the upper point (1) and trigger the measurement. After the
first measurement the value is adopted. Keep the instrument as horizontal
as possible
Press and hold down this button to trigger continuous measurement
, sweep the laser up and down over the ideal target point.
Press to stop continuous measurement (2). The value is adopted. Aim
at the lower point and
press this button to trigger the measurement (3) . The result is
displayed in the summary line, the partial results in the secondary lines.
Press and hold the key to display additional information about for
example the partial distances , and the minimum distance .
Indirect measurement - determining a partial value using
3 measurements
See figure {R}
e.g. determining the height between point 1 and point 2 using three target
points.
Press this button three times ; the display shows the following
symbol . The laser is switched on.
Aim at the upper point (1).
Press this button and trigger the measurement . After the first
measurement the value is adopted.
Triggers the measurement . After the second measurement the
value is adopted.
Press and hold down this button to trigger continuous measurement
. Sweep the laser up and down over the ideal target point.
Press this button to end continuous measurement. The result is
displayed in the summary line, the partial results in the secondary lines.
Press and keep pressed the key to display additional information
about the measurement of the partial lengths and .
Indirect measurement with tilt sensor
Tilt measurement
During tilt measurement the instrument should be held without a
)
transverse tilt (max. 10°).
If the device is tilted by more than ± 10° laterally, the display
)
shows infocode i 156 which means that the device has been tilted
too much.
The units of inclination are set in the menu.
)
Press this button once to activate the tilt sensor. The symbol
appears in the display. The tilt is continuously shown as ° or % depending
on the setting.
Press to measure the inclination and the distance. See figure {L}.
Direct horizontal distance
Press this button
.
Press this button to measure tilt and distance. The summary line
displays the result as the direct horizontal distance.
twice
and the following symbol appears in the display
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Functions
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Press and
D
measurement, for example the inclination angle , the measured distance
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See drawing {
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Double tilt measurement with one measured distance
This procedure is particularly helpful if one target point of those to be
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measured cannot be reflective. The second target point can be simply
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pointed at with the digital viewfinder. In this measurement it is the angle
only and not the distance that is measured and therefore no special target
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is required for the laser.
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Press the button three times. The following symbol appears in
the display.
Press the button - tilt and distance are measured. If the tilt changes,
the device updates the resulting height value and displays it in the summary
row.
Press the button - only the tilt is measured and the value of the
resulting indirect height is frozen in the summary row .
Press and hold the button to display additional information about the
measurement, such as the horizontal distance , the distance to the
second measured point , or the height to the same point (please
note the different icons).
hold
the key to display additional information about the
and the indirect height .
M
}.
See drawing {S}.
Double tilt measurement with two measured distances
This procedure is particularly suitable if the two measured points do not
lie in the same vertical plane. The two target points are each measured
using a distance and a tilt measurement.
Press the button four times. The following symbol appears in
the display.
See drawing {T}.
Press the button - tilt and distance are measured.
Press the button
row shows the resulting distance between the two measured points .
Press and hold the button to display additional information about the
measurement, such as the horizontal distance , the height difference
between the measured points , or the included angle .
Measure to the top target point first. This point must lie behind the
)
bottom target point. If this is not the case, an error message appears in the
display.
- tilt and distance are measured. The summary
Profile measurement
This function is used to measure profiles and terrain sections. After measuring a reference point with a known height (e.g. bench mark or floor), the
height and horizontal distance to the instrument are displayed for each
following point.
We recommend using a tripod!
)
Press the key five times.
The following symbol appears on the display: .
With and enter the known height of the reference point (e.g. 4,000 m in a construction system) and confirm with . The following
symbol then appears on the display: .
Now aim the instrument at the height reference point and press the
key - the gradient and distance are measured. The instrument is then ready
to measure profile points .
Measure the profile points by pressing the key. The horizontal
distance from the instrument to the measured point and the height
of the point are displayed.
Press to exit the function.
Functions
14
Leica DISTO™ D8 LCA782205a gb
Page 18
If the tripod and the instrument are moved, always restart the func-
)
tion and measure the height reference point again before continuing to
measure!
Storage of constants / historical storage
Storage of a constant
You can store and recall a frequently used value e.g. height of a room.
Measure the desired distance, press and hold the button until the
device beeps to confirm storage.
Recalling the constant
Press this button once to recall the constant and then press the
button to enter it into your calculation.
Historical storage
Press this button twice and the previous 30 results (measurements
or calculated results) are shown in reverse order.
The and buttons can be used for navigation.
Press this button to use a result from the summary line for further
calculations.
Pressing the and buttons at the same time erases all the values
in historical storage.
Timer (self-triggering)
Press this button to set a 5-second time delay
or
Press and hold down this button until the desired time delay is
reached (max. 60 seconds).
Once the key is released with the laser activated, the remaining seconds
until measurement (e.g. 59, 58, 57...) are displayed in a countdown. The last
5 seconds are counted down with a beep. After the last beep the measurement is taken and the value is displayed.
The timer can be used for all measurements.
)
Working with BLUETOOTH®
Switching on BLUETOOTH® / sending measurements
A quick press on the - key starts DISTO™ BLUETOOTH®. The data
connection must then be established out from a Pocket PC / PC by the
application software. A grey - icon will appear in the display until this
has been successfully completed. BLUETOOTH® automatically switches
off if the connection to the Pocket PC / PC is not established within 240
sec from when the BLUETOOTH® was switched on.
Whilst the first connection between the Pocket PC/PC and the
)
DISTO™ is being established, a prompt for the Pin-code of the DISTO™
may be displayed. In this case, enter the code 0000 into your Pocket PC/
PC.
Switching off BLUETOOTH®
BLUETOOTH® switches off as soon as the DISTO™ is switched off.
The direction keys
Eight direction keys (identified by a small arrow near the key) on the
operator's keypad are used to manoeuvre the cursor. The direction keys
become active when you switch to the second level (by pressing the
D
GB
F
I
E
P
NL
CN
Leica DISTO™ D8 LCA782205a gb
15
Worki ng wit h BLUETOOTH®
Page 19
key). The distance measuring key is active in both levels. The functionality
D
of the direction keys depends on the software used.
GB
Transmitting the measurement
F
If your software supports the direction keys use them to select the appro-
I
priate position for the cursor.
E
Press the button briefly to transfer the value from the summary row
P
to the pocket PC / PC.
For further details please consult your manual for the software used.
NL
CN
Selecting particular values in the display
The display shows a number of measurements (min., max., last measurement taken). By pressing and holding the button you can select all
measurements in the display for transmitting (blue lines under the measurements). When you press the - key or the - key you can select
one specific value. Once selected the measurement can be transmitted
using the - key. The same selection process can be used for areas,
volumes, indirect measurements and room dimensions.
During data transmission
If the data is not confirmed as being successfully received by the Pocket PC/
PC then no new measurement can be processed. The Info code "240"
appears in the display if no data transmission has taken place after 2
seconds. Press the - key and repeat the measurement and then
transmit it.
If Bluetooth transmission is limited, the PC may have Bluetooth
)
hardware with a shorter range. In this case we recommend the usage of an
external Bluetooth USB adapter of class 2.
The free software supplied is designed to provide the user with
)
basic functionality. Leica Geosystems provides no warranty for this free
software and offers no support for it. Leica Geosystems accepts no liability
whatsoever arising from the use of the free software and is not obliged to
provide corrections nor to develop updates or upgrades.
You can find numerous commercial vendors of software for a wide range
of applications on our homepage.
Appendix
Message codes
All message codes are displayed with either or "Error". The following
errors can be corrected:
Cause Remedy
156
Transverse tilt greater than 10° Hold the instrument without
162
The calibration has not been
accomplished on a levelled
surface and the calibration value
is respecitvely within an
ineligible area.
204
Calculation error Repeat procedure
240
Data transfer error Repeat procedure
245
2nd button pressed although no
Bluetooth connection exists.
252
Temperature too high Cool down instrument
253
Temperature too low Warm up instrument
255
Receiver signal too weak,
measurement time too long,
distance > 100 m
256
Received signal too strong Target too reflective (use target
257
Wrong measurement,
background brightness too high
260
Laser beam interrupted Repeat measurement
any transverse tilt
Calibrate the device on an abso-
lute horizontal levelled surface.
Establish Bluetooth connection
Use target plate
plate)
Darken target (measure in diffe-
rent lighting conditions)
Appendix
16
Leica DISTO™ D8 LCA782205a gb
Page 20
Error Cause Remedy
Error Hardware error Switch on/off the device several
times. If the symbol still appears,
then your instrument is defective. Please call your dealer for
assistance.
Technical data
Distance measurements:
Measuring accuracy up to 10 m (2 σ) typically: ± 1.0 mm*
Power Range Technology™:
Range (use target plate from about 100 m)
Smallest unit displayed 0.1 mm
Distance measurement
Minimum/maximum measurement, Conti-
nuous measurement
Area/volume calculation of room data
Addition / subtraction
Indirect measurement using Pythagoras
Trapezium measurement
Tilt measurements:
Tilt sensor:
Accuracy
- to laser beam
- to the housing
Indirect measurement using tilt sensor
(direct horizontal distance)
Angle measurement using tilt sensor
(
General:
Laser class II
Laser type 635 nm, < 1 mW
Ø laser point
(at distances)
Autom. laser switch-off after 3 min
(2 σ)
360°)
0.05 m to 200 m
9
9
9
9
9
9
- 0.1° / +0.2° **
± 0.1° **
9
9
6 / 30 / 60 mm
(10 / 50 / 100 m)
Autom. instrument switch-off after 6 min
Display illumination
Multifunctional endpiece
Timer (self-triggering)
Save constant value
Historical storage 30 values
BLUETOOTH® 2.0
Range of BLUETOOTH® Cl. 2
Tripod thread (Type: 1/4-20)
Battery life,
Type AA, 2 x 1.5V
Protection against splashes and dust IP 54, dust-proof,
Dimensions 143.5 x 55 x 30 mm
Weight (with batteries) 195 g
Temperature range:
Storage
Operation
* maximum deviation occurs under unfavourable conditions such as bright sunlight or
when measuring to poorly reflecting or very rough surfaces. Measuring accuracy
between 10 m and 30 m may deteriorate to approx. ± 0.025 mm/m, for distances
above 30 m to ± 0.1 mm/m. In long range mode the maximum deviation from a
distance of 30 m increases to +/- 0.15 mm/m.
** applies at room temperature. For the whole operating temperature range the
maximum deviation increases by +/- 0.1°.
5 000 measurements
(-13°F up to +158°F)
9
9
9
9
QD ID B014433
10 m
9
up to
splash-proof
-25°C up to +70°C
-10°C up to +50°C
(14°F up to +122°F)
Measuring conditions
Measuring range
The range is limited to 200 m.
At night or dusk and if the target is in shadow the measuring range without
target plate is increased. Use a target plate to increase the measurement
range during daylight or if the target has poor reflection properties.
D
GB
F
I
E
P
NL
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Leica DISTO™ D8 LCA782205a gb
17
Appendix
Page 21
Target surfaces
D
Measuring errors can occur when measuring toward colourless liquids (e.g.
GB
water) or dust free glass, Styrofoam or similar semi-permeable surfaces.
F
Aiming at high gloss surfaces may deflect the laser beam and lead to measurement errors.
I
Against non-reflective and dark surfaces the measuring time may increase.
E
P
Care
NL
Do not immerse the instrument in water. Wipe off dirt with a damp, soft
cloth. Do not use aggressive cleaning agents or solutions. Handle the inst-
CN
rument as you would a telescope or camera.
Warranty
The Leica DISTO™ D8 comes with a three* year warranty from Leica
Geosystems AG.
More detailed information can be found at: www.disto.com
All illustrations, descriptions and technical specifications may be subject to
change without prior notice.
* To receive the three year warranty, the product must be registered on our website
www.disto.com within eight weeks of the purchase date. If the product is not
registered, a two year warranty applies.
Appendix
18
Leica DISTO™ D8 LCA782205a gb
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Leica DISTO™ D8
Page 23
EXIT
11
2
3
max.
Page 24
Leica Geosystems AG
CH-9435 Heerbrugg
(Switzerland)
www.disto.com
Leica Geosystems AG, Heerbrugg, Switzerland has been certified as being equipped with a quality system
which meets the International Standards of Quality Management and Quality Systems (ISO standard 9001)
and Environmental Management Systems (ISO standard 14001).
Total Quality Management - Our commitment to total customer satisfaction.
Ask your local Leica Geosystems agent for more information about our TQM program.
Printed in Switzerland - Copyright Leica Geosystems AG, Heerbrugg,
Switzerland 2011
Translation of original text (LCA782205a)
Pat. No.: WO 9427164, WO 9818019, WO 0244754, WO 0216964,
US 5949531, EP 1195617, US 7030969, WO 03104748
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