Pentax ETH-302, ETH-310, ETH-305 instruction manual

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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

12

Image 12

Contents Electronic Theodolites Page Safety Precautions must be followed Distinctive DisplaysPage Contents Contents Precautions BatteryGeneral Storing and environmental conditionsInspection, Adjustment and Repair, Overhaul Transportation Standard Equipment OthersUnpacking and Storing Names of Parts Page Preparation of Power Confirm the correct work by pressing the power switchKey Operations and Display DisplayKeyboard Power ON/OFF key Function of each key2 V/% key Page Hold key 4 0SET key 5 R/L key Illumination keyRemaining battery indicator Automatic Power-off functionOther Functions Special key operations Page Setting of Vertical Angle Setting of 90buzzer Setting of correction of vertical angleSetting of angle measurement Setting of automatic power off function Setting of Angle unitSetting up the instrument Preparation for SurveyingLeveling with the Circular level Leveling with the Plate level Centering with the optical plummet Eyepiece adjustment Object sighting Measurement Horizontal angle measurement rightHorizontal angle measurement left Vertical angle measurement Inspection and Adjustment Instructions on inspection and adjustmentPerpendicularity of plate vial to vertical axis InspectionAdjustment 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 SB14Specifications TelescopeAngle Measurement Vertical Angle CompensationPower source Water resistant Ambient temperatureDimensions Vertical axisPage Certified