Pentax ETH-305, ETH-302, ETH-310 instruction manual Key Operations and Display, Keyboard

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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 (Switches the display of vertical angle)

[R/L] key (Set the horizontal angle right and left rotation alternately)

[HOLD] key (Pressing twice holds the horizontal angle shown on the display)

[0SET] key (Pressing twice resets the horizontal angle to 0°,00’,00”)

[ ] Illumination key (Illuminate LCD panel and the telescope reticle) [ON/OFF] key (Turns the power on and off alternately)

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Contents Electronic Theodolites Page Safety Precautions must be followed Distinctive DisplaysPage Contents Contents General PrecautionsBattery 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 switchKeyboard Key Operations and DisplayDisplay Power ON/OFF key Function of each key2 V/% key Page Hold key 4 0SET key 5 R/L key Illumination keyOther Functions Remaining battery indicatorAutomatic Power-off function 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 Perpendicularity of plate vial to vertical axis Inspection and AdjustmentInstructions on inspection and adjustment 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 SB14Angle Measurement SpecificationsTelescope Vertical Angle CompensationDimensions Power sourceWater resistant Ambient temperature Vertical axisPage Certified