Topcon GPT-2003 Marine Instruments User Manual


 
3-5
3 ANGLE MEASUREMENT
3.6 Buzzer Sounding for Horizontal Angle 90° Increments
When the horizontal angle falls in the range of less than ± 1° of 0°, 90°, 180° or 270°, the buzzer
sounds. Buzzer stops only when the horizontal angle is adjusted to 0°00’00”, 90°00’00” , 180°00’00” or
270°00’00”.
This setting is not memorized after powering off. Refer to 16 “SELECTING MODE” to set the initial
setting (memorized after powering off).
Make sure the mode is Angle measurement.
10 To return to the normal angle mode, press the
[F2](V/H) key or [ESC] key.
[ESC]
or
[F2]
11 Press the [F3](YES) key.
[F3]
Horizontal angle can be accumulated up to
(3600°00'00" – minimum reading) (horizontal angle right).
In case of 5 second reading, horizontal angle can be accumulated up to +3599°59'55".
Error will be displayed when the results differ from rst measurement by more than ±30".
Operating procedure Operation Display
1 Press the [F4](
) key twice to get the function
on page 3.
[F4]
twice
2 Press the [F1](H-BZ) key.
The data previously set is shown.
[F1]
3 Press the [F1](ON) key or [F2](OFF) key to select
the buzzer ON/OFF.
[F1] or [F2]
4 Press the [F4](ENTER) key.
[F4]
REPETITION ANGLE
Exit
> OK?
--- --- [YES][NO]
V : 90°10'20"
HR: 170°30'20"
0SET HOLD HSET P1
V : 90°10'20"
HR: 170°30'20"
0SET HOLD HSET P1
H-BZ R/L CMPS P3
H-ANGLE BUZZER [OFF]
[ON] [OFF] --- ENTER
H-ANGLE BUZZER [ON]
[ON] [OFF] --- ENTER
V : 90°10'20"
HR: 170°30'20"
0SET HOLD HSET P1