Pentax ETH-310 Bedienungsanleitung

ElectronicTheodolitesPENTAX Industrial Instruments Co.,Ltd.2-5-2 Higashi-Oizumi / Nerima-ku,Tokyo 178-0063,JapanTel.+81-3-5905-1222 / Fax +81-3-5905-1

10Unpacking and Storing Unpacking• Gently set down the carrying case so that its cover is upward.• Unlatch and open the case while pushing the latch l

111.3 Names of PartsHandleScrew for handleObjective lensOptical plummetLeveling screwBottom plateTribrach locking leverCollimatorInstrument height mar

12Eyepiece capEyepiece lensFocusing knobPlate vialLCD panelKeyboardBattery boxTelescope tangent screwTelescope clamp screwHorizontal clamp screwHorizo

131.4 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

142. Key Operations and Display2.1 DisplayVertical angleV=Zenith 0°, V%=Slope(VH=Horizontal 0°,Vc=Compass)Horizontal angle Battery indicator:(HR=rig

152.3 Function of each key2.3.1 Power [ON/OFF] key<Power ON and set the vertical angle 0 point>Pressing the ON/OFF key turns on the power supply

162.3.2 [V/%] keyPressing the V/% key will change the Vertical angle display toV%(slope). (At the shipping, it is set at Zenith 0°)By special key oper

17The error ”OVER RANGE” is displayed when the telescope exceeds 45°(100%) in the V% display mode.

182.3.3 [HOLD] keyPress the [HOLD] key twice in succession to hold the displayed horizontal angle and retain it. (Press once, the key buzzer will soun

192.3.4 [0SET] keyPress the [0SET] key twice in succession to reset the displayed horizontal angle 0°,00’,00”.(Press once, the key buzzer will sound,t

202.3.5 [R/L] keyPress the [R/L] key to change from clockwise to counterclockwise rotation. A clockwise or counterclockwise reading is alternately dis

212.4 Other Functions2.4.1 Remaining battery indicatorThe status of the remaining battery capacity is displayed with ””symbolizing the battery capacit

223. Special key operationsSpecial key operation enables selection of angle unit and other such items.Press [HOLD] key and [0SET] key at the same time

23Flow of setting displaySetting of vertical anglePress [R/L] keySetting of 90°buzzerPress [R/L] keySetting of correction of vertical angle Press [R/L

243.1 Setting of Vertical AngleVertical angle setting display by special key operationZenith 0° (V)Setting is switched by pressing [0SET] keyHorizonta

3.2 Setting of 90°buzzer90°buzzer setting display by special key operationNo 90°buzzerSetting is switched by pressing [0SET] keyWith 90°buzzer Store w

263.4 Setting of angle measurementAngle setting display by special key operationFor models ETH-302/305Setting is switched by pressing [0SET] keyStore

273.5 Setting of automatic power off function Automatic power off function setting display by special key operationAutomatic power off activeSetting i

284. Preparation for Surveying4.1 Setting up the instrumentAdjust the tripod legs so that a height suitable for surveying is obtained when the instrum

294.2 Leveling with the Circular levelAfter [4.1 Setting up the instrument] is completed, instrument must beleveled using the circular vial.By rotatin

3Safety Precautions (must be followed)The following items are intended to prevent possible injury to the user orother people and/or damage to the inst

304.3 Leveling with the Plate levelAfter [4.2 Leveling with the circular vial] is completed, instrument must beleveled with plate vial.Place the plate

314.4 Centering with the optical plummetAfter [4.3 Leveling with the plate vials] is completed, the instrument mustbe centered above the station point

324.5 Eyepiece adjustmentAfter [4.4 Centering with the optical plummet] completed, focus the telescope eyepiece on the telescope reticule.Remove the t

334.6 Object sightingAfter [4.5 Eyepiece adjustment] is completed, sight the object.Loosen the telescope clamp screw and horizontal clamp screw.Point

345. Measurement5.1 Horizontal angle measurement (right)Level the instrument, and after power on set the vertical angle 0 point.Sight the first object

355.2 Horizontal angle measurement (left)Level the instrument, and after the power on setthe vertical angle 0 point.Sight the first object using the h

365.3 Vertical angle measurementLevel the instrument, turn the power on and set the vertical angle 0 point.Sight the object A using the horizontal cla

376. Inspection and Adjustment6.1 Instructions on inspection and adjustment• Inspection and adjustment should be done after setting the instrument on

38AdjustmentCenter the plate vial bubble.Rotate the instrument 180°, move the bubble half way back to the center by operating a leveling screw which i

396.3 Perpendicularity of circular vial to vertical axisInspectionConfirm if the bubble of the circular vial is in the center after the inspection and

4CAUTION• Secure the handle of main unit with the handle locking screws.Failure to properly secure the handle could result in the main unitdetaching f

406.4 Inclination of reticule graduationsInspectionSet an object point A on the line of sight through the telescope.Move point A to the edge of the fi

416.5 Perpendicularity of line of sight to horizontal axisInspectionSet an object (point A) at a distance of 30 to 50m away from the instrument and si

426.6 Difference of the vertical angleInspectionSet the vertical angle in Zenith 0° modeSight an object (Point P) with the telescope and read the vert

436.7 Optical plummetInspectionPlace a piece of white paper, with a cross drawn on it, directly under the instrument.Look through the optical plummet,

447. Optional Accessories7.1 Diagonal Eyepiece (SB14)The Diagonal eyepiece can be attached to the telescope for conveniencein observing the zenith or

458. SpecificationsTelescopeMagnification 30 XEffective aperture 45 mmResolving power 3”Field of view 1° 30’Minimum focus distance 1.35 mStadia ra

46Vertical axis SingleSensitivity of vialsPlate vialETH-302 30”/2 mm ETH-305 30”/2 mmETH-310 40”/2 mmETH-320 40”/2 mmCircular vial 8’Tribrach type

certifiedPrinted in BelgiumMember symbol of the Japan SurveyingInstruments Manufacturers’ Associationrepresenting the high quality surveyingproducts.

5CONTENTS•1.General 71.1 Precautions1.2 Standard equipment1.3 Names of Parts1.4 Preparation of power•2.Key Operations and Display 142.1 Display2

6CONTENTS•5.Measurement 345.1 Horizontal angle measurement (right)5.2 Horizontal angle measurement (left)5.3 Vertical angle measurement•6. Inspe

71. General1.1 PrecautionsStoring and environmental conditions• Do not use the instrument until it has adjusted to the ambient temperature.• Avoid usi

8Transportation• Do not subject to impact or vibration during transportation.• When transporting, handle the same as ”fragile” andpack the shipping ca

9Others• When cleaning the case or the instrument, do not use any organic solvent.The surface of plastic parts may dissolve and deformation and discol