Topcon GPT-2000 用户手册

3-5

   3 ANGLE MEASUREMENT

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.

To return to the normal angle mode, press the 
[F2](V/H) key or [ESC] key.

[ESC]

or

[F2]

Press the [F3](YES) key.

[F3]

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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".

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Error will be displayed when the results differ from first measurement by more than ±30".

Press the [F4](

↓

) key twice to get the function

on page 3.

[F4]

twice

Press the [F1](H-BZ) key.
The data previously set is shown.

[F1]

Press the [F1](ON) key or [F2](OFF) key to select 
the buzzer ON/OFF.

[F1] or [F2]

Press the [F4](ENTER) key.

[F4]

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