ETH-300 INSTRUCTION MANUAL ETH-302 ETH-305 ETH-310 ETH-320 2 sec. Angle Accuracy Detachable Tribrach 5 sec. Angle Accuracy Detachable Tribrach 10 sec. Angle Accuracy Detachable Tribrach 20 sec. Angle Accuracy Detachable Tribrach ELECTRONIC THEODOLITES SERIES PENTAX Industrial Instruments Co., Ltd. 2-5-2 Higashi-Oizumi Nerima-Ku, Tokyo 178-8555, Japan Tel. +81 3 5905 1222 Fax +81 3 5905 1225 E-mail: international@piic.pentax.co.jp Website: www.pentax.co.jp/piic/survey www.pentaxsurveying.com Ahead of Vision 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. · · 3 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. 4 CONTENTS · 1. 1.1 1.2 1.3 1.4 · 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 2.4 2.4.1 · 3. 3.1 3.2 3.3 3.4 3.5 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 7 14 22 28 5 CONTENTS · 5. 5.1 5.2 5.3 · 6. 6.1 6.2 6.3 6.4 6.5 6.6 6.7 · 7. 7.1 · 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 6 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. 7 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. 8 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. 9 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 10 1.3 Names of Parts Handle Screw for handle Collimator Objective lens Optical plummet Instrument height mark (215mm) Leveling screw Bottom plate Tribrach locking lever 11 Eyepiece cap Eyepiece lens Battery box Focusing knob Plate vial LCD panel Keyboard Telescope tangent screw Telescope clamp screw Horizontal clamp screw Horizontal tangent screw Circular vial 12 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. 13 2. Key Operations and Display 2.1 Display Vertical 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 [R/L] key [HOLD] key [0SET] key [ (Switches the display of vertical angle) (Set the horizontal angle right and left rotation alternately) (Pressing twice holds the horizontal angle shown on the display) (Pressing twice resets the horizontal angle to 0°,00',00") ] Illumination key (Illuminate LCD panel and the telescope reticle) (Turns the power on and off alternately) [ON/OFF] key 14 2.3 Function of each key 2.3.1 Power [ON/OFF] key 1 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. 2 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.) 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. 3 15 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.) 16 The error "OVER RANGE" is displayed when the telescope exceeds 45°(100%) in the V% display mode. 17 2.3.3 [HOLD] key 1 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.) 2 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. 18 2.3.4 [0SET] key 1 Press the [0SET] 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.) 2 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. 19 2.3.5 [R/L] key Press the [R/L] key to change from clockwise to counterclockwise rotation. A clockwise or counterclockwise reading is alternately displayed each time the key is pressed. Count horizontal angle in a right rotation direction (HR) 2 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. 1 Clockwise horizontal angle 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. 20 2.4 Other Functions 2.4.1 Remaining battery indicator The status of the remaining battery capacity is displayed with " " symbolizing the battery capacity. Battery full - operating possible Operation possible Operation still possible Get the battery ready for a stand by Replace batteries 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 3. Special key operations Special key operation enables selection of angle unit and other such items. 1 Press [HOLD] key and [0SET] key at the same time Press [ON/OFF] key Release [ON/OFF] key (No display or buzzer) Release [HOLD] key and [0SET] key, Following display appears: 2 3 4 5 22 Flow of setting display Setting of vertical angle Press [R/L] key Setting of 90°buzzer Press [R/L] key Setting of correction of vertical ...