Nivel System DT-2 User manual

Electronic Theodolite User Guide
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Precautions
1. Avoid heavy shock
For long-distance transportation, pay attention to external
package and shock proof.
2. Setting and moving
When placing the instrument on the tripod head, hold the
instrument and rotate the tripod screw until it is fixed
securely on top of the tripod head. Repeat the above
mentioned procedure for removing the instrument from
tripod head. f the instrument must be carried with tripod
attached, never carry it horizontally over the shoulder, always
keep it in vertical direction when carried. The instrument
must be kept in container for long-distance transportation.
3. Keep it clean
Clean dust of the instrument surface with cotton wool or
small brush after using the instrument. Dry the instrument on
time after exposed in the rain. Make sure not to use
chemicals to clean battery case and plastic parts. f necessary,
damp soft cloth is permissible. High absorbent cotton and
lens-cleaning paper are used for exposed optics. Never use
handkerchief and clothes.
4. Avoid the long-time irradiation
Never leave the instrument in extreme heat longer than
necessary. t could adversely affect its performance.
5. heck the battery
Be sure to check the battery for voltage level before using
the instrument.
6. Notice
Store the instrument in a place with good air circulation and
low humidity. Temperature is kept under 45 . Often change
the drier in the instrument container.

Electronic Theodolite User Guide
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ontent
1 Application 5
2 Nomenclature 6
3 Display and display mark 7
4 Operating keyboard and operating key 8
5 Preparative before measurement 9
5.1 Leveling the instrument 9
5.2 Power switch on 11
5.3 Battery power display 11
5.4 Change the battery 11
6 Angle measurement 12
6.1 Measuring a HAR and vertical angle 12
6.2 Switching horizontal angle HAR /HAL 13
6.3 Setting a horizontal angle 14
6.4 Repetition angle measurement 14
6.5 Measuring a percent of grade (Slope measurement ) 17
7 Distance measurement 18
7.1 Use with the range finder (EDM ) 18
7.2 Join with the EDM 18
7.3 Distance measuring 18
8 Recording and outputting data 20
8.1 Communication interface 20
8.2 Recording measurement data 20
9 Memory mode 21
10 Function setting 22
10.1 Function setting 22
10.2 Function setting method 22
10.3 Time setting 24

Electronic Theodolite User Guide
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11 Vertical angle 0 error and collimation error and
tilt angle compensator 0 error
25
12 Other function 26
12.1 Measuring distance 26
12.2 Tilt correction function 27
12.3 lluminate and the timing close 27
13 heck and adjustment 29
13.1 Check and adjust plate level 29
13.2 Check and adjust circular level 29
13.3 Check and adjust vertical cross-hair 29
13.4 Calibration of the E-Bubble 31
13.5 Collimation of the instrument sight line 32
13.6 Check and adjust optical plummet 34
13.7 Check and adjust Laser plummet 35
13.8 Check and adjust Laser pointer 35
14 Tribrach 36
15 Error display 37
16 Specifications 38
17 Standard Accessories 39

Electronic Theodolite User Guide
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1. Application
Our digit theodolite adopts absolute coding digit angle
measurement system. The resolution of horizontal angle
reading and vertical angle reading is 1 , 5 ,10 (0.2mgon
1mgon 2mgon). The angle precision is 2 , 5 ,10
(0.5mgon 1mgon, 2mgon).Meanwhile microcomputer
techniques adopted in the instrument realizes automatic
calculation, storage, and display. The instrument can display
the readings of horizontal angle and vertical angle
simultaneously. Joined with the range finder and PDA, it can
be made up of a combined Total Station, performing the
function of measuring, displaying and recording the angle,
distance and coordinate data.
Our electronic theodolite can be used for the control surveying,
mine, railway, and irrigation etc projects surveys. Still capable
of topographic surveys and general projects surveys.

Electronic Theodolite User Guide
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2 Nomenclature
(1) Carrying handle (2) Handle screw (3) Objective lens (4) Plate
level (5) Circular bubble (6) Vertical tangent screw and motion
clamp (7) Operating key (8) Foot screw (9) Sighting collimator
(10) Eyepiece
(11) Display (12) Base plate (13) Focusing knob
(14) Battery (15) Horizontal tangent screw and motion clamp
(16) Communication interface (17) Base locking lever

Electronic Theodolite User Guide
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3. Display and display mark
SDHDVD 06-03-20 1438
VA 9 0 0 0 0 0 %
m
HA
L
R 0 00 00
gon
CRN REP HOLD SFT
Display Function Display Function
SD Slope distance HOLD Hold the horizontal angle
HD Horizontal distance % Percent grade
VD Height difference m Distance unit m
V Vertical angle gon ngle unit
H L Horizontal angle
left Battery level
H R Horizontal angle
right 07-03-06 Date
SFT The second
function 14 38 Time
REP Repeat the
horizontal angel uto power off
CRN Tilt correction

Electronic Theodolite User Guide
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4. Operating keyboard and operating key
keys Function 1 Function 2
OSET Set horizontal angle 0 Hold the horizontal angle
Laser plummet switch Repeat horizontal angle measurement
SFT Select the second function Turn on or off illumination
R/L Switch horizontal angle right or left Percent grade of vertical angel
Laser pointer switch Record measurement data
Power switch

Electronic Theodolite User Guide
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5. Preparative before measurement
5.1 Level the instrument
Level and center the instrument correctly to insure the best
performance.
Place the tripod
First, put the tripod leg in the proper position and tighten the locking
screws.
Attaching the instrument to the tripod head
Place the instrument carefully on the tripod head, and move the
instrument slowly by loosening adjusting screw. Align the plumb
bob with the point on the ground. When aligned, tighten the
adjusting screw.
nitial rough leveling the instrument with circular level
1Use leveling screws 1,2 to move the bubble of the circular level
until the bubble of the circular level until the bubble is now located on
a line perpendicular to a line running through the centers of the two
leveling screws being adjusted.
2Revolve the leveling screw 3 to shift the bubble to the center of
the circular.
Further leveling the instrument with plate level
(1) Loosen horizontal motion clamp and revolve the instrument. By
adjusting leveling screws 1, 2, the plate level vials is parallel to a line
running through the centers of two leveling screws, and place the bubble
in the center of the level vial.
(2)
Next, revolve the instrument 90(100g) around its vertical axis
and use the remaining screw 3 to center the level bubble once more.

Electronic Theodolite User Guide
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3Repeat the above procedure for each 90 revolution of the
instrument and check whether the level bubble is correctly
centered for all points.
Centering the instrument with optical plummet
Adjust the eyepiece of the optical plummet telescope to the
screw. Carefully move the instrument to coincide image of the
point on the ground with the center mark of the optical
plummet telescope.
Centering the instrument with laser plummet
Switch on the instrument press open the laser plummet
carefully move the instrument to coincide image of the point on
the ground with the laser spot.
Final leveling of the instrument
Repeat procedure of . and check whether the level bubble is in
the center of the level vial. Finally tighten adjusting screw.

Electronic Theodolite User Guide
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5.2 Power switch on
Press , all segments of the display will light on. The display
shows vertical angles and horizontal angel.
Press over 2 seconds, it can be power off.
n order to make sure instrument work continuously, pay attention
to battery power display. f battery power is insufficient, replace
battery. Please see 5.3. Battery power display.
5.3 Battery power display
Mark Meanings
Sufficient battery power (%90-%100).
Effective battery power (%50-%90).
Effective battery power (%10-%50).
Poor battery power (0-%10).Need to replace battery
Measurement is impossible. The power will be cut off in one
minute.
5.4 hange the batteries
For removing
Press the release button of the battery case and hold it on.
Pull the battery case toward you.
Remove it out.
Installation
Press the release button and hold the battery case toward the
groove in the instrument.
Push the case until it is fixed.

Electronic Theodolite User Guide
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6. Angle measurement
6.1 Measuring a HAR and vertical angle
Operating Display
1. Collimate the first target
( ).
2.Press 0SET twice
and set horizontal angel
of target at 0 00 00 .
07-03-06 1438
VA 90 00 00
HA
R 0 00 00
3. Collimate the second
target (B). the required H/V
angle to target B are
displayed.
07-03-06 1438
VA 90 00 00
HA
R 0 10 00
How to collimate
Point the telescope towards the light. Turn the diopter ring and adjust
the diopter so that the cross-hair is clearly observed. (Turn the ring
coward you first and then backward to focus.)
Observe the target with sighting collimator. Allow a certain space
between the collimator and yourself, if for collimating.
Focus the target with the focusing knob.

Electronic Theodolite User Guide
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Note
f parallax is created between the cross-hair and target when
viewing vertically or horizontally while looking into the telescope,
focusing is incorrect or diopter adjustment is poor. This adversely affects
precision in measurement or survey. Eliminate the parallax by carefully
focusing and diopter adjustment.
6.2 Switching horizontal angle HA
R /HAL
Operating Display
1.Collimate the target . 07-03-06 1438
VA 90 00 00
HA
R 0 10 01
2.Press R/L The
mode Horizontal ngle
Right(H R) switches to
Horizontal ngle
Left(H L ) mode.
07-03-06 1438
VA 90 00 00
HA L
359 49 59
3. Measure the target in
the same manner as
H R mode.
Every time R/L key is pressed, H R / H L mode switches.

Electronic Theodolite User Guide
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6.3 Setting a horizontal angle
Operating Display
1. Turn Horizontal
tangent screw and set
the horizontal angle
required.
07-03-06 1438
VA 90 00 00
HA
R 30 00 00
2.Press SFT ,then
press HOLD key
twice and the
horizontal angle is
hold.
07-03-06 1438
VA 90 00 00
HA
R 30 00 00
HOLD
3. Collimate the target.
4 Press HOLD
key again to stop
holding the horizontal
angle.
06-03-20 1438
VA 90 00 00
HA
R 30 00 00
6.4 Repetition angle measurement
To find the horizontal angle with greater precision, perform
repetition measurement.

Electronic Theodolite User Guide
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Operating Display
1 Press SFT and
then press
(REP) to begin
repetition angle
measurement.
07-03-06 1438
N-0 T1
HA
R 30 00 00
REP SFT
2.Collimate the target .
3 Press 0SET
and set the horizontal
angle of to 0 00
00 .
07-03-06 1438
N-0 T2
HA
R 0 00 00
REP SFT
4. Collimate the second target B using the horizontal tangent
screw and motion clamp.
5 Press and
hold the horizontal
angle.
06-03-20 1438
N-0 T2
HA
R 45 00 08
REP SFT
6 Re-collimate the first target using the horizontal tangent
screw and motion clamp.
7 Press 0SET
and set the horizontal
angle of to 0 00
00 .
07-03-06 1438
N-1 T2
HA
R 0 00 00
REP SFT

Electronic Theodolite User Guide
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8. Re-collimate the
second target B using
the horizontal tangent
screw and motion
clamp.
07-03-06 1438
N-1 T2
HA
R 45 00 06
REP SFT
9.Press .The
average of angle is
shown.
07-03-06 1438
N-2 T1
HA
R 45 00 07
REP SFT
10 Repeat 2 9 to measure the desired number of
repetitions.
The maximum number of angle measurements that can
be made is 9.
Press SFT to exit from this mode.

Electronic Theodolite User Guide
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6.5 Measuring a percent of grade (Slope measurement)
Operating Display
1 Press SFT
then press R/L the
display of vertical
angle switches to
percent grade.
07-03-06 1438
VA -3.108 %
HA
R 30 00 00
2 Press R/L
again. The display
turns back to
normal angle
measurement
mode.
06-03-20 1438
VA 91 46 50
HA
R 30 00 00
Every time pressing R/L the display mode will switches.
When measured grade is exceeding 100%
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Electronic Theodolite User Guide
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7. Distance measurement
7.1 Using together with the range finder
This instrument can be used by combining with the range
finder (EDM) to perform the function of Total Station. Before
measuring distance, the atmospheric correction and the prism
constant of the EDM should be set correctly. For more detail
information, please refer to the EDM operating manual.
7.2 Join with the EDM
Join the instrument and EDM with the coupling equipment.
Connect data communication interface to EDM'S
using a data cable. Adjust the adjustment screw, make sure the
optical axis parallel with the EDM'S. Reference the fig.
7.3 Distance measuring
E-Theodolite

Electronic Theodolite User Guide
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Operating Display
1.Press SFT and then
press to come in the
distance measurement
mode. If the last measured
distance data is effect, it
will be displayed, or
---------- will be
displayed.
SD 07-03-06 1438
50.828 m
HA
R 30 00 00
SFT
2. Collimate the target
using the telescope, while
iming the prism using the
EDM.
3. Press .The
instrument begins
communication with the
EDM, waiting the data
from the EDM, while the
title SD is blinking. If the
communication success,
the distance measuring
result is displayed.
SD 07-03-06 1438
51.655 m
HA
R 30 00 00
SFT
4. Press R / L . SD
(slope distance),
HD(horizontal distance),
VD ( height difference)are
displayed alternately,
HD 07-03-06 1438
51.023 m
HA
R 30 00 00
SFT
5. Press SFT to come back to angle measurement mode.

Electronic Theodolite User Guide
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8. Recording and outputting data
This series of theodolite provides function of recording
measurement data. The angle data and the distance data can
be stored in the memory (up to 1000 groups) or
output through communication interface. The recorded data
include time information. Before recording data, the
recording method should be selected. f recording data
through communication interface is selected, the
communication settings should be made properly. please see
function
8.1 RS-232 ommunication interface
Connecting the instrument to the computer or the PDA
through the cable, the measurement data can be transferred
to the computer or the data collection equipment. Remember
the interface is under the vertical knob.
8.2 Recording measurement data
n the different measuring mode, press SFT and then press
(REC) ,the measurement data can be outputted to the
computer or the PDA when selecting method of recording
data through communication interface or stored in the
memory of the instrument when selecting method of
recording data in the memory .
Mode Output Record
ngle mode V H R (vertical angel horizontal
angle )
Distance mode V H R SD(vertical angle horizontal
angle slope distance)