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

Models: ETH-310 ETH-302 ETH-305

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CONTENTS

• 1.

General

7

1.1Precautions

1.2Standard equipment

1.3Names of Parts

1.4Preparation of power

• 2.

Key Operations and Display

14

2.1Display

2.2Keyboard

2.3Function of each key

2.3.1Power on-off key

2.3.2V/% key

2.3.3Hold key

2.3.40 set key

2.3.5R/L key

2.3.6Illumination key

2.4Other functions

2.4.1Remaining battery indicator

• 3.

Special Key Operations

22

3.1Setting of vertical angle

3.2Setting of 90°buzzer

3.3Setting of correction of vertical angle

3.4Setting of angle measurement

3.5Setting of automatic power-off function

3.6Setting of Angle unit

• 4.

Preparation for Surveying

28

4.1Setting up the instrument

4.2Leveling with the circular vial

4.3Leveling with the plate vial

4.4Centering with the optical plummet

4.5Eyepiece adjustment

4.6Object sighting

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