Pentax ETH-305 Switch User Manual
Contents
1. 2 3 2 V key Pressing the V key will change the Vertical angle display to V slope At the shipping it is set at Zenith 0 By special key operation horizontal 0 VH and Compass Vc can be set Factory default is Zenith 0 Refer to 3 1 Setting of vertical angle The error OVER RANGE is displayed when the telescope exceeds 45 100 in the V display mode 100 100 100 100 2 3 3 HOLD key Press the HOLD key twice in succession to hold the displayed horizontal angle and retain it Press once the key buzzer will sound then press again during the sound Press the key once more to release To prevent operation error the buzzer sounds for three seconds when the HOLD key is pressed HOLD is not initiated unless the key is pressed during the buzzer sound 2 3 4 OSET key Press the OSET key twice in succession to reset the displayed horizontal angle 0 00 00 Press once the key buzzer will sound then press again during the sound Press the key once more to release To prevent operation error the buzzer sounds for three seconds when the OSET key is pressed OSET is not initiated unless the key is pressed during the buzzer sound HR 20 2 3 5 R L key Press the R L key to change from clockwise to counterclo2. and For the relationship between the screw adjusting direction and bubble moving direction refer to the arrows of following figures Bubble will move to the left in figure A while in figure B moves upward When the bubble is not positioned in the center by repeating procedure and in procedure 4 2 adjustment is required Refer to 6 Inspection and Adjustment Plate vial Z LA Ke CD A B 4 4 Centering with the optical plummet After 4 3 Leveling with the plate vials is completed the instrument must be centered above the station point Focus the optical plummet reticule by rotating the optical plummet eyepiece knob Focus the station point by rotating the optical plummet focusing knob Loosen the tripod center screw Look through the optical plummet eyepiece and move the instrument bottom plate until the reticule center coincides with the station point Take care not to rotate the instrument Tighten the tripod center screw Ascertain that the bubble stays positioned in the center when rotating the plate vial position in steps of 90 If the bubble is not positioned in the center adjust with the leveling screws Refer to 4 3 Leveling with the plate vial Even if the bubble is shifted by one graduation in deviation of centering is just 0 3mm at the instrument height of 1 4m giving little effect on the survey result Center mark 31 32 4 5 Eyepiece adjustment Af
3. 3 6 4 4 1 4 2 4 3 4 4 4 5 4 6 General Precautions Standard equipment Names of Parts Preparation of power Key Operations and Display Display Keyboard Function of each key Power on off key V key Hold key 0 set key R L key Illumination key Other functions Remaining battery indicator Special Key Operations Setting of vertical angle Setting of 90 buzzer Setting of correction of vertical angle Setting of angle measurement Setting of automatic power off function Setting of Angle unit Preparation for Surveying Setting up the instrument Leveling with the circular vial Leveling with the plate vial Centering with the optical plummet Eyepiece adjustment Object sighting 14 22 28 5 5 1 5 2 5 3 6 6 1 6 2 6 3 6 4 6 5 6 6 6 7 7 7A 8 Measurement Horizontal angle measurement right Horizontal angle measurement left Vertical angle measurement Inspection and Adjustment Instructions on inspection and adjustment Perpendicularity of plate vial to vertical axis Perpendicularity of circular vial to vertical axis Inclination of reticule graduations Perpendicularity of line of sight to horizontal axis Difference of the vertical angle Optical plummet Optional Accessories Diagonal eyepiece Specifications 34 37 44 45 1 General 1 1 Precautions Storing and environmental conditions Do not use the instrument until it has adjusted to
4. ETH 310 40 2 mm ETH 320 40 2 mm Circular vial 8 Tribrach type Detachable Optical plummet Magnification 3x Focusing range 0 5 m to Infinity Power source Type 4x AA dry battery Operation time Alkaline 25 to 28 hrs NiIMH2300mAh 25 to 28 hrs Water resistant IP x4 Ambient temperature 10 C to 50 C Height 215mm Dimensions Instrument including batteries W168 x H330 x L158mm 4 6kg Printed in Bigum PENTAX Industrial Instruments Co Ltd 2 5 2 Higashi Oizumi Nerima ku Tokyo 178 0063 J apan Tel 81 3 5905 1222 Fax 81 3 5905 1225 E mail international piic pentax co jp for your precious moments certified CE The CE marking assures that this product complies with the requirements of the EC directive for safety Member symbol of the Japan Surveying Instruments Manufacturers Association representing the high quality surveying products
5. ON OFF key Release ON OFF key No display or buzzer Release HOLD key and OSET key Following display appears Flow of setting display Setting of vertical angle LA Press R L key Setting of 90 buzzer Press R L key Setting of correction of vertical angle on Les Press R L key Setting of angle display pats Press R L key Setting of automatic power off function ig Press R L key Setting of Angle unit Previous items can be displayed by pressing the HOLD key 23 24 3 1 Setting of Vertical Angle Vertical angle setting display by special key operation Zenith 0 V Setting is switched by pressing OSET key Store with V key when the setting is decided 3 2 Setting of 90 buzzer 90 buzzer setting display by special key operation No 90 buzzer Setting is switched by pressing OSET key With 90 buzzer Store with V key when the setting decided 3 3 Setting of correction of vertical angle Correction of vertical angle setting display by special key operation TILT OM Setting is switched by pressing OSET key Store with V key when the setting decided 25 3 4 Setting of angle measurement Angle setting
6. display by special key operation For models ETH 302 305 aal Setting is switched by pressing OSET key Store with V key when the setting decided For models ETH 310 Setting is switched by pressing OSET key Store with V key when the setting decided For ETH 320 Setting is switched by pressing OSET key Store with V key when the setting decided 26 3 5 Setting of automatic power off function Automatic power off function setting display by special key operation Automatic power off active Setting is switched by pressing OSET key Automatic power off inactive Store with V key when the setting decided 3 6 Setting of Angle unit Setting is switched by pressing OSET key You can Select DEG or DEC or GRD or MIL as the unit for angle Store with V key when the setting decide 27 4 Preparation for Surveying 4 1 Setting up the instrument Adjust the tripod legs so that a height suitable for surveying is obtained when the instrument is set on the tripod DA Set the tripod and fix the metal shoe firmly into the ground so that the tripod head is as level as possible and centered above the station point If the tripod head is disturbed by the action of fixing the metal shoe into the ground correct the level by extending or retracting each leg of t
7. Total Construction Solutions Instruction manual PENTAX Industrial Instruments Co Ltd 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 IN WARNING WARNING Items indicated by this display are precautions which if ignored could result in death or serious injury N CAUTION 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 reguire hospitalization or long term attention Material damage refers to the damage to facilities buildings acquired data etc A WARNING 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 CAUTION 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 c
8. and lock the latches Containing mark Yellow dot sticker 1 3 Names of Parts Handle Screw for handle Objective lens Collimator Optical plummet Leveling screw Bottom plate Tribrach locking lever Instrument height mark 215mm Eyepiece cap Eyepiece lens Focusing knob Plate vial Battery box Telescope tangent screw Telescope clamp screw LCD panel Horizontal clamp screw Keyboard Horizontal tangent screw Circular vial 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 e 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 e 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 e When a battery box or batteries are wet wipe off the moisture immediately and dry completely e 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 2 Key Operations and Display 2 1 Display Vertical angle V Ze
9. ausing 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 e 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 e 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 e Do not carry a tripod with the metal shoe pointing toward another person as the person may be injured if they strike them e 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 e Ifa battery box or a battery is gets wet by water wipe off the water and dry immediately e 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 CONTENTS 1 1 1 1 2 1 3 14 2 2 1 2 2 2 3 2 3 1 2 3 2 2 3 3 2 3 4 2 3 5 2 3 6 24 2 4 1 3 3 1 3 2 3 3 3 4 3 5
10. ckwise rotation A clockwise or counterclockwise reading is alternately displayed each time the key is pressed Clockwise horizontal angle Count horizontal angle in a right rotation direction HR Counterclockwise horizontal angle Count horizontal angle in a left rotation direction HL If the power turns off during the counterclockwise mode the display returns to a clockwise horizontal angle display when power is turned on 2 3 6 Illumination key Pressing the key illuminates the LCD panel and telescope reticule The illumination is automatically turned off after five minutes Pressing the key with illumination on turns off the illumination 2 4 Other Functions 2 4 1 Remaining battery indicator The status of the remaining battery capacity is displayed with til symbolizing the battery capacity Battery full operating possible a Operation possible a Operation still possible lu Get the battery ready for a stand by Replace batteries E Automatic Power off function If there is no key operation for about 30 minutes the power supply is turned off automatically This function can be set to NIL by special key operation Refer to 3 5 Setting of automatic power off function 21 22 3 Special key operations Special key operation enables selection of angle unit and other such items Press HOLD key and OSET key at the same time Press
11. ct your local dealer for proper repair or instructions 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 i To realize full capability of the instrument adhere to 1 cautions described in each chapter of this manual is ie 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 Unpacking and Storing Unpacking e Gently set down the carrying case so that its cover is upward e Unlatch and open the case while pushing the latch lock e Take the instrument out of the case Storing e Set the telescope almost horizontal and lightly tighten the telescope clamp screw Align the containing marks and lightly tighten the horizontal clamp screw e Insert the instrument into the case with the containing marks facing upward e Close the case lid
12. ent screw point A No adjustment is necessary if point A moves along the vertical line of the reticule If the point A does not move along the vertical line of the reticule it needs adjustment Consult with your dealer Vertical line Line of sight axis 40 6 5 Perpendicularity of line of sight to horizontal axis Inspection Set an object point A at a distance of 30 to 50m away from the instrument and sight it through the telescope Loosen the telescope clamp screw and reverse the telescope around the horizontal axis Mark a point set on the line of sight at about the same distance to the object point A and call it point B Loosen the horizontal clamp screw and rotate the instrument around the vertical axis Sight point A again Loosen the telescope clamp screw and reverse the telescope around the horizontal axis Mark a point on the line of sight at about the same distance as point B and call it point C No adjustment is necessary if point B and C coincide but if it does not Consult with your dealer 30m 50m 30m 50m B A 30m 50m 30m 50m AA P ama c 41 42 6 6 Difference of the vertical angle Inspection Set the vertical angle in Zenith 0 mode Sight an object Point P with the telescope and read the vertical angle V correct Reverse the telescope and rotate the alidade Sight point P again in the reverse position and read the vertical angle V re
13. he tripod Set the instrument on the tripod head insert the tripod center screw into the instrument bottom plate and tighten firmly Bottom plate Tripod head Center screw Tripod 28 4 2 Leveling with the Circular level After 4 1 Setting up the instrument is completed instrument must be leveled using the circular vial By rotating any two leveling screws position the bubble in the center of the vial See A To adjust the screws at the same time turn them in opposite directions Adjust the remaining leveling screw and position the bubble in the center of the circle See B For the relation between the screw adjusting direction and bubble moving direction refer to the arrows of the following figures Bubble will move to the right in figure A while in figure B it moves upward 29 4 3 Leveling with the Plate level After 4 2 Leveling with the circular vial is completed instrument must be leveled with plate vial Place the plate vial in parallel with a line joining any two of the leveling screws By rotating two leveling screws in the opposite direction of each other position the bubble in the center of the vial See A Rotate the plate vial through 90 position the bubble in the center of the vial by operating the remaining one leveling screw See B Confirm if the bubble stays in the center by rotating the instrument 180 If the bubble moves repeat procedure
14. ng ring counterclockwise to focus on a far object Two screws of the collimator are fixed and adjusted at the distributor or the manufacturer Do not move them arbitrarily 33 34 5 Measurement 5 1 Horizontal angle measurement right O Level the instrument and after power on set the vertical angle 0 point Sight the first object using the horizontal clamp and tangent screw as well as the telescope clamp and tangent screw Press OSET twice to set the horizontal angle to 0 00 00 Sight the second object using the horizontal clamp and tangent screw as well as the telescope clamp and tangent screw Read the displayed value a First Object Zero Setting 0 00 00 11 3 Second Object 34 47 20 Horizontal Angle a 34 47 20 0 00 00 First object i a 0 Second object 5 2 Horizontal angle measurement left Level the instrument and after the power on set the vertical angle 0 point Sight the first object using the horizontal clamp and tangent screw as well as screw as well as the telescope clamp and tangent screw Press the R L key to switch the horizontal angle display to counterclockwise reading HL Subsequent operation will be done as in 5 1 Horizontal angle measurement right but the order of collimation is reversed To switch the mode back to rights press the R L key again If the power turns off during the counterclock
15. nith 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 0 O O O O O angle shown on the display V R L HOD OSET ON OFF OSET key Pressing twice resets the horizontal angle to 0 00 00 Cy Illumination key Illuminate LCD panel and the telescope reticle ON OFF key Turns the power on and off alternately 2 3 Function of each key 2 3 1 Power ON OFF key lt Power ON and set the vertical angle 0 point gt Pressing the ON OFF key turns on the power supply and the message O 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 Pe V R L HOLD OSET amp ON OFF ss YUUUOI
16. of optical plummet 43 44 7 Optional Accessories 7 1 Diagonal Eyepiece SB14 The Diagonal eyepiece can be attached to the telescope for convenience in observing the zenith or when in confined spaces lt Installation gt Turn the telescope eyepiece ring counterclockwise to remove the eyepiece Be sure to hold the eyepiece securely so that you do not drop it Attach the diagonal eyepiece to the telescope by reversing the procedure The diagonal eyepiece can be rotated through 360 When sighting through the telescope with the diagonal eyepiece attached the reticule may be seen deflected vertically or horizontally but this has no influence upon accuracy 8 Specifications Telescope Magnification 30 X Effective aperture 45 mm Resolving power 3 Field of view 12 30 Minimum focus distance 1 35 m Stadia ratio 100 Stadia constant 0 Angle Measurement Type Incremental rotary encoder Detection mode V angle Single H angle Dual Minimum Display Selectable ETH 302 1 5 ETH 305 1 5 ETH 310 5 10 ETH 320 10 20 Accuracy DIN18723 Standard deviation ETH 302 2 ETH 305 5 ETH 310 10 ETH 320 20 Vertical Angle Compensation Method Automatic compensation Stadia Ratio 100 Stadia Constant 0 Display Type Dot matrix LCD Two lines Display panel Dual display 45 46 Vertical axis Single Sensitivity of vials Plate vial ETH 302 30 2 mm ETH 305 30 2 mm
17. s if possible 6 2 Perpendicularity of plate vial to vertical axis Inspection Perform 4 3 Leveling with the horizontal vial Rotate the instrument through 90 and confirm if the bubble is always in the center When the bubble is in the center no adjustment is necessary If the bubble moves from the center following adjustment is required Leveling screw Plate vial 37 38 Adjustment O Center the plate vial bubble Rotate the instrument 180 move the bubble half way back to the center by operating a leveling screw which is located parallel with the plate vial Rotate the vial adjusting screw with the adjusting pin and position the bubble in the center Repeat procedure again to confirm 6 3 Perpendicularity of circular vial to vertical axis Inspection Confirm if the bubble of the circular vial is in the center after the inspection and adjustment of 6 2 Plate vial No adjustment is necessary if the bubble of the circular vial is in the center but if not the following adjustment is required Adjustment O Move bubble to the center by rotating the bubble adjusting screws using the adjusting pin Inspect again Circular vial or Bubble adjusting screws 39 6 4 Inclination of reticule graduations Inspection Set an object point A on the line of sight through the telescope Move point A to the edge of the field of view by adjusting the telescope tang
18. ter 4 4 Centering with the optical plummet completed focus the telescope eyepiece on the telescope reticule Remove the telescope lens cap Point the telescope at a bright object Rotate the eyepiece completely counterclockwise Look through the eyepiece and rotate the eyepiece clockwise until the reticule appears at its maximum sharpness Vertical graduation Reticule pattern NX single Optical axis age AE AN Vertical graduation orizontal graduation double double At procedure keep your eye relaxed to prevent parallax and eye fatigue Parallax causes problems with object sighting Refer to 4 6 Object sighting 4 6 Object sighting After 4 5 Eyepiece adjustment is completed sight the object Loosen the telescope clamp screw and horizontal clamp screw Point the telescope at the object using the collimator sight Tighten the telescope clamp screw and horizontal clamp screw Focus on the object by rotating the focusing ring while looking through the telescope Accurately align the reticule with the object using each tangent screw Collimator Focusing ring object Telescope eyepiece In procedure focus on the object correctly so that the reticule will not move in relationship to the object when you move your eye slightly left and right while looking through the eyepiece e Turn the focusing ring clockwise to focus on a near object Turn the focusi
19. the ambient temperature Avoid using at a high or low temperature an The instrument may not work normally at temperatures exceeding 10 or 50 C vl e When the instrument gets wet d 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 e 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 e Batteries can naturally discharge due to shipment time Use new batteries for the first job e 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 Transportation oF Do not subject to impact or vibration during pii transportation e When transporting handle the same as fragile and T pack the shipping case with cushioning materials s roaa 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 e If there is any problem in the instrument EA F do not attempt to repair or you may make Ti H y the problem worse ig Conta
20. verse At this time when V correct V reverse 360 2 is less than 15 it is within tolerance If it shows a larger value it needs adjustment Consult your dealer 6 7 Optical plummet Inspection Place a piece of white paper with a cross drawn on it directly under the instrument Look through the optical plummet and move the paper so that the intersecting point of the cross comes to the center of the field of view Adjust the leveling screws so that the center mark of the optical plummet coincides with the intersection point of the cross Rotate the instrument around the vertical axis Look through the optical plummet each step of 90 rotation and observe the center mark position against the intersection point of the cross If the center mark always coincides with the intersection point no adjustment is necessary When it does not coincide the following adjustments are required Point Center mark Adjustment Remove the cover of the optical plummet Mark the point set on the line of sight at each step of 90 on the white paper and call them A B C and D Join the opposed points A C and B D with a straight line and set intersecting point 0 Turn four optical plummet adjusting screws with the adjusting pin so that the center mark coincides with the intersection point 0 Repeat procedure again to confirm Optical plummet adjusting screw Adjusting pin for the center mark Cap
21. wise mode the display returns to a clockwise horizontal angle display when power is turned on 1s Hi 35 36 5 3 Vertical angle measurement Level the instrument turn the power on and set the vertical angle 0 point Sight the object A using the horizontal clamp and tangent screws as well as the telescope clamp and tangent screws Read the displayed value _ e The vertical angle mode can be changed to slope percent display V by pressing V key Also horizontal 0 VH and compass Vc can be set using special key operation Factory setting is Zenith 0 Refer to 3 1 Setting of vertical angle Vertical angle 0 86 24 40 Press the V key to view the Vv and V 0000 Vertical angle 0 point a Object 0 00 00 Horizontal angle 6 Inspection and Adjustment 6 1 Instructions on inspection and adjustment e Inspection and adjustment should be done after setting the instrument on a tripod or on an adjustment stand e Inspection should be done sequentially from 6 2 Plate vial to 6 5 Perpendicularity of line of sight to horizontal axis e Adjustments should be finished with adjustment screws having been tightened and with firm torque Do not finish by loosening an adjustment screw e Repeat inspection after adjustment and confirm if the adjustment is performed correctly e It is recommended that a trained professional perform adjustment
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