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

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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 Electronic Theodolites Page Safety Precautions must be followed Distinctive DisplaysPage Contents Contents Precautions BatteryGeneral Storing and environmental conditionsInspection, Adjustment and Repair, Overhaul TransportationStandard Equipment OthersUnpacking and Storing Names of Parts Page Preparation of Power Confirm the correct work by pressing the power switchDisplay Key Operations and DisplayKeyboard Power ON/OFF key Function of each key2 V/% key Page Hold key 4 0SET key 5 R/L key Illumination keyAutomatic Power-off function Remaining battery indicatorOther 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