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Grid scale factor of coordinate=Altitude factor × Scale
factor
Distance calculation:
1) Grid scale distance(HDg)= HD×Grid scale factor
HD= distance on the ground
2) Distance on the ground(HD)= HDg/Grid scale factor
After input altitude, you can press [Enter] to calculate the
"Scale",as shown in the picture above. Press [ENT] to save
the scale gird and exit this interface. Exceptions: if the scale
value is less than 0.99 or greater than 1.01,it indicates that
the altitude input is error, and you must re-input it. If you
pressing [ESC] , the scale will not saved.

9.10 Communication

If
the
Communication" on the second page of "Menu";
Press [5] on the second page of "Menu" to enter the interface of
"Communication", as shown in the Picture below:
You can set the communication as "RS232C" or "Bluetooth" .
Notice: "RS232" is used for bidirectional communication and
the connector between PC and instrument for import and export.
instrument
equipped
Bluetooth,
92
select
"5.

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