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3.4  BASIC OPERATIONS
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Description of Test Items
1  SELF CHECK
1-1  SENSOR
Refer to (1) Checking Memory, Safety Switch, Various Currents and Voltages, and Communication
Lines in Section 8.1.1  Function Check on Test Menu.
1 Press .
The TEST Menu will appear.
2 Press .
The SELF CHECK Menu will appear.
3 Press .
The SENSOR Menu will appear and the operational status of
the scanner unit and the transmitter unit will appear.
1 Press .
The TEST Menu will be closed.
1-2  LINE CHECK
Refer to (1) Checking Memory, Safety Switch, Various Currents and Voltages, and Communication 
Lines in Section 8.1.1  Function Check on Test Menu.
1 Press .
The TEST  Menu will appear.
2 Press .
The SELF CHECK Menu will appear.
3 Press .
The LINE CHECK Menu will appear.  If the transmitter-
receiver unit and navigation equipment are connected via
serial data lines, it can be checked whether data is transferred.