Topcon GPT-2003 Marine Instruments User Manual


 
3-2
3 ANGLE MEASUREMENT
3.2 Switching Horizontal Angle Right/Left
Make sure the mode is Angle measurement.
3.3 Measuring from the Required Horizontal Angle
3.3.1 Setting by Holding the Angle
Make sure the mode is angle measurement
.
Operating procedure Operation Display
1
Press the [F4](
) key twice to get the function
on page 3.
[F4]
twice
2
Press the [F2](R/L) key.
The mode Horizontal angle Right (HR)
switches to (HL) mode.
[F2]
3
Measure as HL mode.
Every time pressing the [F2](R/L) key, HR/HL mode switches.
Operating procedure Operation Display
1
Set the required horizontal angle, using
Horizontal tangent screw
Display angle
2
Press the [F2](HOLD) key.
[F2]
3
Collimate the target.
Collimate
4
Press the [F3](YES) key to nish holding the
horizontal angle.*1)
The display turns back to normal angle
measurement mode.
[F3]
*1) To return to the previous mode, press the [F4](NO) key.
V : 90°10'20"
HR: 120°30'40"
0SET HOLD HSET P1
TILT REP V% P2
H-BZ R/L CMPS P3
V : 90°10'20"
HL: 239°29'20"
H-BZ R/L CMPS P3
V : 90°10'20"
HR: 130°40'20"
0SET HOLD HSET P1
H ANGLE HOLD
HR= 130°40'20"
> SET ?
--- --- [YES][NO]
V : 90°10'20"
HR: 130°40'20"
0SET HOLD HSET P1