User's Manual

8.2.1 Define of arc

You should define the arc first when want to use this

function. In the menu of program, press [2] or press [ENT] after

moving the cursor to “ARC Meas.”, as shown below:

----ARC Meas.----

1.2Pt. and AZ

3.R and ARC len

2.R and AZ

The arc formed by data has most of the arc and less than

half arc. The ruler is that the arc we define, which is form start

point to end point and the direction is clockwise.

8.2.1.1 Define arc with two endpoints and azimuth

This function is to define arc by two endpoints and azimuth.

1) Press the key [1] or press [ENT] after moving the

cursor to “2Pt.and AZ” to enter the interface of

“ARC->2Pt.and AZ” ,as shown in picture below:

Pt.1:

ARC->2Pt.and AZ

MEAS

KNOWN

Pt.2:

AZ.1:

AZ.2:

2) Retrieve or press [MEAS] to measuring the “Pt.1” or

“Pt.2”;

3) Input the two angle of contingence “AZ.1” and

“AZ.2”,then press [ENT] to enter the interface of

“ARC->Data” and display the arc data ,see the chapter

8.2.2;

4) Press [ESC] to return to the arc measurement menu.