User Manual
Version 1.2
English
Contents
Keypad.......................................................................... 2
Display .......................................................................... 2
How to Use the Instrument ..................................... 3
User Information ........................................................ 5
Safety Instructions .................................................... 6
Technical Data.......................................................... 12
Message Codes........................................................ 12
DISTO lite5 hand-held laser meter
Congratulations on your purchase of a DISTO.
as well as instructions on use of the instrument.
Read carefully through the User Manual before you switch
on the instrument.
DISTO lite
This User Manual contains important safety
directions (see section "Safety directions")
5
1.2.0 en
Product identification
The identification label for your product is fitted on the
front. The serial number is in the battery compartment.
Enter model and serial number in your User Manual, and
always refer to this information when you need to contact
your agency or service centre.
Model: DISTO....................................................................
Serial no.: .........................................................................
Date of purchase: .............................................................
1
Symbols used
The symbols used in the User Manual 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 enabled the product to be used in a
technically correct and efficient manner.
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Keypad
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1 Measurement
2 Distance measurement
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3Area
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4 Reference
5Units
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6 Clear
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7On, off key
8 Illumination
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9 Time delay release
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10 Volume
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Keypad
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9 3 intermediate displays (e.g. to display intermediate
Display
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11 10
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D5-Z1
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1 Laser "On"
2 Reference (front / rear)
3 Information
4 Main display (e.g. measured distance)
5 Distance measurement
6Areas/ volumes
7 Units incl. exponents (²/ ³)
8 Time symbol for time delay release
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7
D5-Z2
values)
10 Battery display
11 Service instrument
12 Illumination (on/ off)
DISTO lite5 1.2.0 en
How to Use the Instrument
Inserting / replacing the batteries
1 Depress the locking clip and Slide the end piece to
the right.
D5-Z3
2 Remove battery cover. Replace batteries.
appears on the display if battery voltage is too
low.
For type of battery, refer to Technical Data.
DISTO lite5 1.2.0 en
Fit batteries the right way round.
)
Use only Alkaline batteries.
)
3 Push in end piece and listen for locking click sound.
DISTO Switching on/off
Briefly press.
The illumination and Battery symbols are displayed until
the first key press.
The instrument can be switched off from any menu point.
The instrument switches off automatically after
)
90 seconds if no key is pressed.
3
Clear key
The clear key places the instrument in normal
mode, resp. sets it to zero (=Clear).
This is possible before or after a measurement or a
calculation is made.
While performing a calculation (area or volume) each
single measurement can be deleted and remeasured.
Illumination
Briefly press.
Illumination is switched on/off with a key press.
Illumination switches off after 30 seconds if no
)
key is pressed.
How to Use the Instrument
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Reference setting
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Press until desired reference setting appears.
Possible settings
front rear
Setting remains until reference is changed and
)
the instrument switched off automatically or manually.
Basic setting: rear reference
)
How to Use the Instrument
Measuring
Distance measurement
Press and the laser is switched on, the
instrument is in "Pointing Mode".
A second press starts the distance
measurement.
The result is displayed immediately in the selected unit.
With the instrument on and the laser off, it is in
)
"Normal Mode".
With the laser on, it is in "Pointing Mode".
)
Measuring and aiming
D5-Z4
DISTO is exceptional at "aiming" - e.g. in staking out
distances.
4
Laser in continous operation
Press until a long "beep" is heard. Now the laser
is activated permanently.
A distance measurement is triggered each time
the key is pressed.
Press to end continuous laser operation.
Time delay release
Press and hold until desired time delay has been
reached (max. 60 seconds).
appears on the display.
Once the key is released, the remaining seconds (e.g. 59,
58, 57...) are displayed, until measuring.
The last 5 seconds are counted down with a "beep".
After the last "beep", the measurement is made and the
value displayed.
D5-Z5
DISTO lite5 1.2.0 en
Calculations
Area
Press
appears on the display.
The side to be measured blinks.
Make 2 measurements (l x w).
The result and the two partial results appear on the
display.
DISTO lite5 1.2.0 en
Volume
Press
appears on the display.
The side to be measured blinks.
Make 3 measurements (l x w x h).
The result and the three partial results appear on the
display.
Setting the units
Press until the current unit (e,g. 0.000m) is
displayed.
Selectable units:
– m (mm) = 0.000 m – 14’ 06’’ 1/16 = ’ ’’ 1/16*
– m (cm) = 0.00 m* – in = 0.0 in*
– ft = 0.00 ft* – in 1/16 = 0
– ft in 1/16 = 0.00
* for USA only
1
ft in
/
16
5
in
1
/
*
16
User Information
Range
Increased range:
At night, at dusk and when target area is in the shade.
Reduced range:
By mat green and blue surfaces (also by plants or trees).
Rough surfaces
On a rough surface (e.g. coarse plaster) measure against
the centre of the illuminated area.
To avoid measuring to the bottom of plaster joints:
Use target plate, 3M "Post-it" or board.
Transparent surfaces
To avoid measuring errors, do not measure towards
colorless liquids (like water) or (dust free) glass.
For materials and liquids unfamiliar to you always take a
trial measurement.
When aiming through panes of glass, of if there
)
are several objects in the line-of-sight erroneous measure
ments can occur.
User Information
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Wet, smooth or high-gloss surfaces
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1 Aiming at a "flat" angle deflects the laser beam. The
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DISTO may receive a signal that is too weak (error
message 255).
2 If aiming at a right angle, the DISTO may receive a
signal that is too strong (error message 256).
Inclined, round surfaces
Can be measured with the laser.
Requirement: There is enough area on the target surface
for the laser spot.
Free-handed aiming
(approx. 20 - 40 m):
Use target plate 563875 (DIN C6) rsp. 723385 (DIN A4).
• White surface: to 30 m
• Brown surface: from 30 m on
Safety Instructions
Safety Instructions
The following directions should enable the person
responsible for the
uses the instrument, to anticipateand avoid operational
hazards.
The person responsible for the instrument must ensure
that all users understand these directions and adhere to
them.
Use of the instrument
Permitted use
The permitted use of the DISTO are the following:
• Measuring distances
• Computing areas and volumes
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
DISTO, and the person who actually
6
• Carrying out modification or conversion of the product
• Use after misappropriation
• Use of accessories from other manufacturers without
the express 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, etc.)
WARNING
Prohibited use can lead to injury, malfunction, and
material damage. It is the task of the person responsible
for the instrument to inform the user about hazards and
how to counteract them. The DISTO is not to be operated
until the user has been instructed.
DISTO lite5 1.2.0 en
Limits of use
See section “Technical Data“
)
Environment:
Suitable for use in an atmosphere appropriate for
permanent human habitation. Cannot be used in an
aggressive or explosive environment. Use in rain is
permissible for limited periods.
DISTO lite5 1.2.0 en
Areas of responsibility
Responsibilities of the manufacturer of the original
equipment Leica Geosystems AG, CH-9435 Heerbrugg
(brief Leica Geosystems):
Leica Geosystems is responsible for supplying the
product, including the User Manual and original
accessories, in a completely safe condition.
Responsibilities of the manufacturer of non-Leica accessories:
The manufacturers of non-Leica accessories for
)
the
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
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
7
Leica Geosystems
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 instructions in the User Manual.
• To be familiar with local safety regulations relating to
accident prevention.
• To inform Leica Geosystems immediately if the
equipment becomes unsafe.
Safety Instructions
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Hazards in use
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Important hazards in use
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WARNING:
The absence of instruction, or the inadequate
imparting of instruction, can lead to incorrect or prohibited
use, and can give rise to accidents with far-reaching
human, material and environmental consequences.
Precautions:
All users must follow the safety instructions given by the
manufacturer and the directions of the person responsible
for the instrument.
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 istrument has been subject to abnormal use, and
before, during and after important measurements.
Make sure the DISTO optics is kept clean and that there is
no mechanical damage to the bumpers.
Safety Instructions
WARNING:
Insufficient securing or marking of your
measurement site could cause a dangerous situation on
the public highway, building site, or in the factory, etc.
Precautions:
Always ensure your measurement site is appropriately
secured. Obey the local accident prevention regulations,
and road safety rules, at all times.
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 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.
8
WARNING:
Dispose of the equipment appropiately in
accordance with the regulations in force in your country.
Always prevent access to the equipment by unauthorized
personnel.
DISTO lite5 1.2.0 en
Laser classification
The 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 : 1993 "Radiation safety of laser
products"
• EN60825-1 : 1994 "Radiation safety of laser
products"
It is a Class II laser product in accordance with:
• FDA 21CFR Ch.I §1040 : 2001 (US Department of
Health and Human Service, Code of Federal
Regulations)
Laser Class 2/ II 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.
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.
DISTO lite5 1.2.0 en
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.)
WARNING:
Looking right at the reflected laser beam in a
DISTO operated with telescopic viewfinder could be
dangerous when you aim at areas that reflect like a mirror,
or emit reflections unexpectedly (e.g. a mirror, metallic
surfaces, windows, prisms, liquids).
Precautions:
If you are using a telescopic viewfinder, do not aim at
areas that are reflective like a mirror, or which could
produce unintended reflections (e.g. mirrors, metallic
surfaces, windows, prisms).
9
Electromagnetic compatibility (EMC)
The term "electromagnetic compatibility" is taken to mean
the capability of the
environment where electromagnetic radiation and
electrostatic discharges are present, and without causing
electromagnetic interference to other equipment.
WARNING:
Electromagnetic radiation can cause interference
in other equipment.
Although the DISTO meets the strict regulations and
standards which are in force in this respect, Leica
Geosystems cannot completely exclude the possibility that
interference may be caused to other equipment.
DISTO to function smoothly in an
Safety Instructions
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FCC statement (applic. in U.S.)
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WARNING:
This equipment has been tested and found to
comply with the limits for a Class B digital device, pursuant
to part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference
in a residential installation.
This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accor
dance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that interference will not
occur in a particular installation.
If this equipment does cause harmful interference to radio
or television reception, which can be determined by
turning the equipment off and on, the user is encouraged
to try to correct the interference by one or more of the follo
wing measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and
receiver.
• Connect the equipment into an outlet on a circuit diffe-
rent from that to which the receiver is connected.
Safety Instructions
• Consult the dealer or an experienced radio/TV technician for help.
WARNING:
Changes or modifications not expressly approved
by Leica Geosystems for compliance could void the user’s
authority to operate the equipment.
Product labelling:
This device complies with part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1)
This device may not cause harmful interference, and (2)
this device must accept any interference received, inclu
ding interference that may cause undesired operation.
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DISTO lite5 1.2.0 en
Labelling
Maximum radiant power: 0.95mW
Emitted wavelength: 620-690nm
Standard applied: EN60825-1: 1994
IEC60825-1: 1993
Laser beam outlet
DISTO lite5 1.2.0 en
D5-Z6
D5-Z7
D5-Z8
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D5-Z10
Beam divergence 0.16 x 0.6 mrad
Pulse duration 15 x 10
Max. radiant power
* Measurement uncertainty
Max. radiant power per pulse 8 mW
CAUTION:
Allow only authorized Leica Geosystems service
-9
0.95 mW*
±5%
s
workshops to service the instruments.
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D5-Z9
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Safety Instructions
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Technical Data
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Measuring accuracy
(2x standard deviation)
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Smallest unit displayed 1mm
Range 0.2m up to 200m * **
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Time for a measurement dist / trc 0.5...ca.4s / 0.16...ca.1s
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∅ Laser spot (at distance) 6 / 30 / 60 mm (10 / 50 / 100 m)
Illumination
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Multiline display
Aiming aid
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Time delay release
Battery, Type AA, 2x 1.5V up to 10’000 measurements
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Splash and dust
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proof
Dimension and weight 142 x 73 x 45 mm, 315g
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Measuring accuracy of bubble 1°
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Temperature range
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All rights reserved to make technical changes.
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* Display unit as off 100m : 1 cm
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** At long range ± 5 ppm (± 0,5mm/ 100 m) plus short
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Storage
Operating
range error.
typ.: ± 3mm / max.: ± 5mm
(only with Alkaline batteries!)
IP54 acc. IEC529: splash proof,
(-13°F to +158°F)
(-14°F to +122°F)
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Technical Data
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dust proof
-25°C to +70°C
-10°C to +50°C
Message Codes
Error message
appears beside the message number on the
display.
Message
Code
204
252
253
255
256
257
260
Cause Remedy
Calculation error Repeat procedure
Temperature too high,
above 50°C (measuring)
Temperature too low,
below -10°C (measuring)
Receiver signal too weak,
measurement time too
long, distance <200 mm
Received signal too
powerful
Wrong measurement,
ambient brightness too
high
Laser beam interrupted Repeat measurement
All other messages Call service "System"
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Cool down instrument
Warm up instrument
Use target plate
measurement time >10
sec.
Use target plate (correct
side)
Use target plate
In case of this message switch on/off instrument
several times and check if message is still
displayed. Then call service and specify the
message displayed.
Care
Look after the optical surfaces with the same care that you
would apply to spectacles, cameras and field glasses.
DISTO lite5 1.2.0 en
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