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Erasing marks
1. Press the CURSOR
ON/OFF key.
2. Operate the four arrow keys
to place cursor on mark to
erase.
3. Press the EVENT key (or
TARGET POINT key).
Calculating Trip Distance
Press the TRIP key to start calculation of trip distance from
present position. The trip distance indication is automatically
reset to zero.
Figure 29 Course plot display, showing location of trip distance
indication
Calibrations (offsets)
Offsets can be applied to measured values to further refine
accuracy. This can be done on the CALB menu.
Opening the system menu
1. Press the DISP MODE key to display the echo display.
2. While pressing and holding down the TRIP key, press the
MENU key.
Figure 28 How to erase
marks