Topcon GPT-8001A User Manual

9 CHECK AND ADJUSTMENT
9-3
11) Calculate the average value of 6) and 10).
[Example]
6) ••••••••••• • 0° 00’ 00”
10) ••••••••••• • 0° 08’ 20”
___________________________
Average value 0° 04’ 10”
12) Climate to the center of prism. Compare the reading horizontal angle value and calculated
value in
11) If the difference is within 1’30”, no problem for use.
Vertical direction confirmation (Do not move Horizontal direction).
13) Carry out as Horizontal direction confirmation.
Compare the reading Vertical angle value and calculated value.
If the difference is within 1’ 30”, no problem for use. If the difference is more than mentioned
value, contact with your Topcon dealer or Topcon.
[Example] 90¡12 30 90¡ 04 30
Average 90¡08 30
Reading to
prism center 90¡08 50
Difference 20

Topcon GPT-8001A Specifications

General

Brand	Topcon
Model	GPT-8001A
Category	Measuring Instruments
Language	English