Pentax R-200 Series Instruction Manual page 108

Select 1.COGO and press [ENT] to view the COGO screen.
Select the 1. INVERSE and press [ENT] to view INVERSE
screen.
A. Start point input
(Input the PN, Coordinates and PC of the Start point.)
Select 1. SP and press [ENT] to view SP screen.
[LIST] key
All stored points can be displayed as follows by pressing [F2][LIST].
Press [F2][LIST] to view POINT SELECTION FROM THE LIST screen.
Press [ENT] to open the SP input screen.
Input your desired point name by pressing each keys, and press [ENT] to view START PT 1 screen.
Press [ENT] to open the X coordinate input screen.
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