Nikon DTM-522 User Manual

4. Line Extension by Horizontal Angle Offset
Press the [O/S] key on the BMS and select [4] to get
to the Line Extension (by HA) function.
3
O/S: 4. +Lin
e
Sight the first prism (or target) and press [MSR1] or
[MSR2].
It automatically goes
to the next screen.
Sight the second prism (or target) and press [MSR1]
or [MSR2].
It automatically goes
to the next screen.
Sight the alternative place which lays on the same
vertical line as the desired target point.
Pressing [ENT] calculates the coordinate and the
raw data of the TGT point.
3-74

Nikon DTM-522 Specifications

General

Model	DTM-522
Category	Total Station
Angle accuracy	5"
Display	Dual LCD
Telescope Magnification	30x
Operating Temperature	-20°C to +50°C
Angle measurement method	Absolute
Distance measurement range (with reflector)	3, 000 m (Single prism)
Maximum Range (without prism)	200m

Summary

Nomenclature

Preparation

Unpacking and Packing the DTM-502

Procedure for safely removing the instrument from its case and preparing it for storage.

Recharging and Connecting the BC-80

Instructions for charging the battery pack and connecting it to the instrument.

Setting up the Tripod

Steps for correctly setting up the tripod to ensure instrument stability and alignment.

Centering

Methods for aligning the instrument's central axis precisely over the station point.

Leveling

Procedure for achieving precise vertical alignment of the instrument's vertical axis using the plate level.

Sighting

Process of aiming the telescope at a target, focusing, and aligning with the reticle crosshairs.

Assembling the Prism Reflector

Guide to assembling the prism reflector, including height adjustment of the tribrach adapter.

Face-1/Face-2 Measurement

Explanation of measurements taken with the vertical circle on the left or right of the telescope eyepiece.

Operation

Display and Key Functions

Overview of the instrument's display elements and the functions of various keys.

Pre-Start

Essential steps before starting operations, including inputting point names and codes.

Getting Started

Initial procedures for turning the instrument on, off, and performing basic measurements.

Applications

Detailed explanation of various measurement and calculation functions available on the instrument.

Checking and Adjustment

Plate Level

Procedures for checking and adjusting the plate level for accurate instrument setup.

Optical Plummet

Steps for checking and adjusting the optical plummet for vertical alignment.

Zero Point Errors and Horizontal Angle Corrections

Procedures to check and correct vertical scale and horizontal angle errors.

Instrument Constant

Method for checking and ensuring the accuracy of the instrument's constant for distance measurements.

Specifications

Main Body

Technical specifications for the main body of the instrument, including telescope and angle measurement details.

Standard Components

List of all standard components included with the DTM-502 series instrument.

External Device Connection Connector

Details on the external device connection connector, including pin assignments and specifications.

System Diagram

Communications

Upload Coordinate Data

Process and settings for uploading coordinate data from the instrument to a computer.

Uploading PT List/Code List File

Instructions for uploading Point List and Code List files to the instrument.

Downloading Data

Information on data formats and procedures for downloading recorded data from the instrument.

Error Messages and Actions

When Recording Data

Common error messages during data recording and their solutions.

When Searching a Point

Error messages and actions related to searching for points when no matching criteria are found.

In Station Setup

Error messages and actions related to station setup procedures, including coordinate requirements.

In StakeOut

Error messages and actions encountered during StakeOut operations.

In Job Manager

Error messages and actions related to managing jobs, such as creating or deleting.

In Settings

Error messages and actions related to changing instrument settings.

Comm.

Error messages and actions related to data communication and upload/download processes.