Pentax ETH-302, ETH-305, ETH-310 User Manual

Electronic Theodolites
PENTAX Industrial Instruments Co.,Ltd.
2-5-2 Higashi-Oizumi / Nerima-ku, Tokyo 178-0063,Japan
Tel.+81-3-5905-1222 / Fax +81-3-5905-1225
E-mail:international@piic.pentax.co.jp
ETH-302 ETH-305 ETH-310
Instruction manual
10 sec.Angle Accuracy Detachable Tribrach
5 sec.Angle Accuracy Detachable Tribrach
2 sec.Angle Accuracy Detachable Tribrach
ETH-320
20 sec.Angle Accuracy Detachable Tribrach
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Safety Precautions (must be followed)
The following items are intended to prevent possible injury to the user or other people and/or damage to the instrument before it occurs. These safety precautions are important to the safe operation of this product and should be observed at all times.
Distinctive Displays
The following displays are used to distinguish precautions by the degree of injury of damage that may result if the precaution is ignored.
WARNING
Items indicated by this display are precautions which if ignored could result in death or serious injury.
CAUTION
Items indicated by this display are precautions which if ignored may result injury or material damage.
Here ”injury” refers to injuries such as cuts, burns or electric shock the treatment of which will not likely require hospitalization or long-term attention.
”Material damage”refers to the damage to facilities,buildings, acquired data, etc.
WARNING
Never look at the sun through the telescope as this may result in loss of
sight.
Do not use at a place near flammable materials as there will be a risk of fire or injury by explosion.
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CAUTION
Secure the handle of main unit with the handle locking screws.
Failure to properly secure the handle could result in the main unit detaching from the handle while being carried, causing injury.
Do not use the carrying case as a footstool as it is slippery and unstable and may cause you to fall, resulting in possible injury.
When mounting the instrument to the tripod, tighten the center screw securely.Failure to tighten the screw properly could result in the instrument falling off the tripod causing injury.
Securely tighten the leg fixing screws of the tripod. A person could be injured by the tripod shoes on an extending leg due to a loose screw.
Do not carry a tripod with the metal shoe pointing toward another person as the person may be injured if they strike them.
Make sure that your hands and feet are not in the vicinity of the tripod legs when setting up the tripod, or a hand or foot stab would occur.
Do not wield or throw the plumb bob. A person could be injured if struck.
If a battery box or a battery is gets wet by water, wipe off the water and dry immediately.
When a battery box is removed from the unit, power must be off. If the battery box is removed with power on, it will cause trouble.
Electro-Magnetic Compatibility(EMC) This instrument complies with the protection requirement for residential and commercial areas. If this instrument is used close to industrial areas or transmitters, the equipment can be influenced by electromagnetic fields.
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CONTENTS
•1.General 7
1.1 Precautions
1.2 Standard equipment
1.3 Names of Parts
1.4 Preparation of power
•2.Key Operations and Display 14
2.1 Display
2.2 Keyboard
2.3 Function of each key
2.3.1 Power on-off key
2.3.2 V/% key
2.3.3 Hold key
2.3.4 0 set key
2.3.5 R/L key
2.3.6 Illumination key
2.4 Other functions
2.4.1 Remaining battery indicator
• 3. Special Key Operations 22
3.1 Setting of vertical angle
3.2 Setting of 90°buzzer
3.3 Setting of correction of vertical angle
3.4 Setting of angle measurement
3.5 Setting of automatic power-off function
3.6 Setting of Angle unit
•4.Preparation for Surveying 28
4.1 Setting up the instrument
4.2 Leveling with the circular vial
4.3 Leveling with the plate vial
4.4 Centering with the optical plummet
4.5 Eyepiece adjustment
4.6 Object sighting
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CONTENTS
•5.Measurement 34
5.1 Horizontal angle measurement (right)
5.2 Horizontal angle measurement (left)
5.3 Vertical angle measurement
•6. Inspection and Adjustment 37
6.1 Instructions on inspection and adjustment
6.2 Perpendicularity of plate vial to vertical axis
6.3 Perpendicularity of circular vial to vertical axis
6.4 Inclination of reticule graduations
6.5 Perpendicularity of line of sight to horizontal axis
6.6 Difference of the vertical angle
6.7 Optical plummet
•7. Optional Accessories 44
7.1 Diagonal eyepiece
•8.Specifications 45
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1. General
1.1 Precautions
Storing and environmental conditions
Do not use the instrument until it has adjusted to
the ambient temperature.
Avoid using at a high or low temperature.
The instrument may not work normally at temperatures exceeding –10 or +50˚C.
When the instrument gets wet,
wipe off the water immediately and let it completely dry outside of the case. Store in the case after completely dried.
Be sure to store instrument in the case. Avoid storing in a place that is
subject to high temperature, high humidity, or dust.
When not in use for extended periods, remove a battery from the
battery box. Also remove the instrument from the case and expose to the air periodically.
Battery
Batteries can naturally discharge due to shipment time.
Use new batteries for the first job.
The four (4) batteries, in a battery box, should be of the same type.
Do not use batteries, in a battery box, which have different remaining
capacities.
Do not touch the liquid of leaking batteries.
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Transportation
Do not subject to impact or vibration during
transportation.
When transporting, handle the same as ”fragile” and
pack the shipping case with cushioning materials.
Inspection, Adjustment and Repair, Overhaul
When not in use for extended periods of having been subjected to
impact or vibration, be sure to check the instrument adjustments before using.
If there is any problem in the instrument,
do not attempt to repair or you may make the problem worse. Contact your local dealer for proper repair or instructions.
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Others
When cleaning the case or the instrument, do not use any organic
solvent.The surface of plastic parts may dissolve and deformation and discoloration can occur. Wipe off the dirt with a wet cloth of dilute household detergent
Wipe off dirt on the optics with a cleaning cloth (or paper) specified
for optical surfaces.
To realize full capability of the instrument, adhere to
cautions described in each chapter of this manual.
1.2 Standard Equipment
Body (with objective cap)
Battery box (One battery box is installed in the instrument)
Batteries* (Contained in the carrying case)
A set of tools (Adjusting pin, driver)
A plumb bob
Rain cover
Carrying case
Instruction manual
*The standard equipment AA batteries can naturally discharge due to
shipment time. Use new batteries for the first job. When disposing used batteries, please follow your municipal government rules.
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Unpacking and Storing
Unpacking
Gently set down the carrying case so that its cover is upward.
Unlatch and open the case while pushing the latch lock.
Take the instrument out of the case.
Storing
Set the telescope almost horizontal, and lightly tighten the telescope
clamp screw.
Align the containing marks*, and lightly tighten the horizontal clamp
screw.
Insert the instrument into the case with the containing marks*
facing upward.
Close the case lid and lock the latches.
*Containing mark = Yellow dot sticker
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1.3 Names of Parts
Handle
Screw for handle
Objective lens
Optical plummet
Leveling screw
Bottom plate
Tribrach locking lever
Collimator
Instrument height mark
(215mm)
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Eyepiece cap
Eyepiece lens
Focusing knob
Plate vial
LCD panel
Keyboard
Battery box
Telescope tangent screw
Telescope clamp screw
Horizontal clamp screw
Horizontal tangent screw
Circular vial
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1.4 Preparation of Power
Remove battery box from the unit by pushing the release button on
the top of the battery box. Remove the battery box cover.
Insert four AA batteries into the battery box according to (+) and (-).
• Press the battery box to the leg by inserting the guide pin
to the guide groove.
Confirm the correct work by pressing the power switch.
This instrument can operate using 1.2V AA rechargeable batteries.
The four (4) batteries, in a battery box, should be of the same type.
Do not use batteries, in a battery box, which have different remaining capacities.
When a battery box or batteries are wet, wipe off the moisture
immediately and dry completely.
When a battery box is removed from the unit, power must be off.
If the battery box is removed with power on, it will cause trouble.
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2. Key Operations and Display
2.1 Display
Ver tical angle V=Zenith 0°, V%=Slope(VH=Horizontal 0°, Vc=Compass)
Horizontal angle Battery indicator: (HR=right rotation horizontal angle, HL=left rotation horizontal angle)
2.2 Keyboard
[V/%] key
(Switches the display of vertical angle)
[R/L] key (Set the horizontal angle right
and left rotation alternately)
[HOLD] key (Pressing twice holds the horizontal
angle shown on the display)
[0SET] key (Pressing twice resets the horizontal angle to 0°,00’,00”)
[ ]Illumination key (Illuminate LCD panel and the telescope reticle)
[ON/OFF] key
(Turns the power on and off alternately)
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2.3 Function of each key
2.3.1 Power [ON/OFF] key
<Power ON and set the vertical angle 0 point> Pressing the ON/OFF key turns on the power supply and the message ”0 SET” is displayed. After the ”0 SET” of vertical angle is performed, the Horizontal and Vertical angle are displayed and the instrument enters into the angle measurement mode.
<Setting vertical angle 0 point> Set the vertical angle 0 point by turning the telescope upward or downward when the instrument is at the ”normal” position (Vertical circle at left.)
<Power OFF> To turn the power supply off,press the ON/OFF key for more than 1 second (”OFF” will display) and then release it. Power turns OFF.
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