Topcon GPT-7502 - Vertical Angle Percent Grade(%) Mode

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3 STANDARD MEASUREMENT MODE
3.1.4 Vertical Angle Percent Grade(%) Mode
Make sure the mode is angle measurement.
1 Press the [F4] key to get the function as on
page 2.
2 Press the [F2] key. *1)
*1) Every time pressing the [F2] key, the display mode switches.