I've pulled a DTM-300 out of the closet after a company merger and I don't have the user manual.  I did a quick field test and found that it needs a vertical/horizontal angle adjustment.  Does anyone have a manual with instructions on how to do a field adjustment?

This Content Originally Published by a land surveyor to Land Surveyors United Network

Views: 122

See Your Saved Posts Timeline

Replies to This Discussion

Hi Dennis, A friend of mine asked me this  not long ago but it wasn't  on a Nikon.

This was used when you could not or did not have the time to have the instrument  service by a tech.

But in days gone by it has help me a lot. Pegging a Total Station in the field maybe a lost  function

of surveying with today's modern Guns. There are still a lot of older instruments still being used that are just as accurate as today's instruments. I did have the manual for the 300 but it's filed somewhere but I founded the 302 manual,it is very similar I am sure you can use it to help. But this page is at Land surveyors United. I use to know the  short cut keys to do this  but the other works just as well. Look in Chapter 6 page in book #168  also pdf page #188.


Are you not using a Data Collector with the Gun,most have collimation programs to correct this,without correcting the gun. But I agree it is best to correct it. Maybe this manual will help.

Best Regards,


Download Survey Documents-Members Only
Was this resource helpful? Show your appreciation with a comment below. 

Donations are how we exist and grow for the surveying community worldwide.

Thanks Billy!  I don't know how I missed the Land surveyors United page on 'Vertical Zero Datum', but that's exactly what I'm looking for.

Hi Dennis,

Welcome ,to the site .Glad something help.If I find the 300 manual,I will pass it on to you.

I have the real book and the pdf file on a cd somewhere or on a older computer.

The book maybe in storage,since I moved.

I had good luck with the Nikon's I have used.

Is that a Bear and did you take the pic.

Thanks for the shout back,


Thanks again Billy.  With your help, I was able to get into the adjustment mode and do the field calibration.

The picture of the bear was taken by a coworker standing next to me.  Three of us stayed together and let it pass us by about 30ft away along a trail.  It must have been used to people but it sure got our blood pumping.


Where Thousands of Professional Land Surveyors, Students of Surveying and Educators are United through Collaborative Knowledge and Purpose.

Land Surveyor Forum - Community Discussions

Nikon DTM-300 manual or adjustment instructions

Started by Dennis Frederick. Last reply by Dennis Frederick Sep 19, 2018. 4 Replies

Transit for nikon dtm 322

Started by NAYUM KHAN. Last reply by Billy Brooks Mar 17, 2018. 9 Replies

Arc reference line

Started by NAYUM KHAN. Last reply by Billy Brooks Mar 14, 2018. 8 Replies


Started by imran daud shah Feb 6, 2018. 0 Replies

Nikon DTM - A10 lg manual

Started by Stephen Gibbard. Last reply by Jaybird May 9, 2017. 1 Reply

NPL332 - shooting points with an offset

Started by Nathan Toews, PE. Last reply by Nathan Toews, PE Feb 16, 2016. 2 Replies

Error message on Nikon DTM 330

Started by Dean Bradshaw. Last reply by Jaybird Sep 23, 2015. 1 Reply


Started by mashaka ally mwageni. Last reply by ⚡Survenator⌁ Jan 22, 2016. 1 Reply

rectifying optical plammet

Started by mashaka ally mwageni. Last reply by Rob Peterson Feb 23, 2015. 1 Reply

Nikon AP-5 Automatic Level

Started by Norman. Last reply by ⚡Survenator⌁ Jan 22, 2016. 1 Reply


Started by john Jan 28, 2015. 0 Replies

How to upload point file to a NIKON total station

Started by Alex William. Last reply by Shamsudin Sep 6, 2013. 6 Replies

Record Duplicate Numbers in Nikon DTM-352

Started by zainul ulum. Last reply by zainul ulum Dec 23, 2012. 2 Replies

Nikon NPL-352 Measuring Error Questions

Started by Patrick Macisso. Last reply by Francisco P. Alconera Dec 21, 2012. 2 Replies


Started by roberta marziani. Last reply by Nitesh Shrestha May 22, 2018. 2 Replies

Nikon NPL332 Total Station Manual and Guide

Started by ⚡Survenator⌁ Dec 12, 2011. 0 Replies

Tools,Apps and Quick Guides


Help With Survey Equipment

Social Support For Equipment

Surveying Video Categories

Surveying Photo Categories

United States Hub Forums

International Surveyor Hub Forums

Resources for Company Owners

Land Surveyor Social Media

Surveyor Resources Collections

Getting Started & Newsletter

Featured Land Surveyor Hubs

© 2019   © Created by Land Surveyors United   Powered by

Badges  |  Contact LSU  |  Privacy Policy  |  Terms of Service

Site Explorer