Pentax ETH-310 Preparation of Power, Confirm the correct work by pressing the power switch

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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.

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Contents Electronic Theodolites Page Distinctive Displays Safety Precautions must be followedPage Contents Contents Battery PrecautionsGeneral Storing and environmental conditionsTransportation Inspection, Adjustment and Repair, OverhaulOthers Standard Equipment Unpacking and Storing Names of Parts Page Confirm the correct work by pressing the power switch Preparation of PowerDisplay Key Operations and DisplayKeyboard Function of each key Power ON/OFF key2 V/% key Page Hold key 4 0SET key Illumination key 5 R/L keyAutomatic Power-off function Remaining battery indicatorOther Functions Special key operations Page Setting of Vertical Angle Setting of correction of vertical angle Setting of 90buzzerSetting of angle measurement Setting of Angle unit Setting of automatic power off functionPreparation for Surveying Setting up the instrumentLeveling with the Circular level Leveling with the Plate level Centering with the optical plummet Eyepiece adjustment Object sighting Horizontal angle measurement right MeasurementHorizontal angle measurement left Vertical angle measurement Instructions on inspection and adjustment 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 Diagonal Eyepiece SB14 Optional AccessoriesTelescope SpecificationsAngle Measurement Vertical Angle CompensationWater resistant Ambient temperature Power sourceDimensions Vertical axisPage Certified